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Manual Bryant 549C

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  • Bryant 549C - page 1

    Form No. PDS548F-36-6 COMMERCIAL SINGLE P ACKAGE ROOFT OP ST ANDARD AND HIGH EFFICIENCY HEA T PUMP UNITS S tandard-Ef ficiency (548F ), and High-Efficiency (549B, 549C, 542J) heat pump units offer: • Pre-painted galvanized steel ca binet for lon g life and qu ality appearance • Commercial strength base rails with built-i n ri gging capability ? ...

  • Bryant 549C - page 2

    2 T ABLE OF CONTENTS Features/Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . 4,5 ARI Capacity Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5,6 Options and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . 7- ...

  • Bryant 549C - page 3

    3 INTEGRA TED ECONOMIZERS AND OUTDOOR-AIR DAMPERS Available as options or accessories, economizers and manual outdoor-air dampers introduce outdoor air which mixes with th e conditioned air , improving in door-air quality and o ften reducing energy consumption. During a first stage call for cooling, if the outdoor-air temp era- ture is below the ec ...

  • Bryant 549C - page 4

    4 MODEL NUMBER NOMENCLA TURE — 548F UNITS (ODS Model Number) MODEL NUMBER NOMENCLA TUR E — 549B AND 549C UNITS (ODS Model Number) V oltage Designation E– 460-3-60 J– 208/230-1-60† P– 208/230-3-60 T– 575-3-60 548F E X 090 000 AA 548F – Single-Package Heat Pump Unit X– No Heat Installed. (Field-installed electric heaters available.) ...

  • Bryant 549C - page 5

    5 MODEL NUMBER NOMENCLA TURE — 542J150,180 UNITS ARI* CAP ACITY RA TIN GS 548F036-060 548F072-120 LEGEND *Air Conditioning and Refrigeration I nstitute. †Applies only to units with capacity of 60,000 Btuh or less. **The IPL V applies o nly to 2-stage cooling heat pump units. NOTES: 1. Rated in accordance with ARI S tandards 210/240-95 and 270-9 ...

  • Bryant 549C - page 6

    6 ARI* CAP ACITY RA TINGS (cont) 549C024-060 549B036-060 549B072-120 LEGEND *Air Conditioning and Refrigeration Institute. †Applies only to units with capacity of 60,000 Btuh or less. NOTE: Rated in accordance with ARI S tandard 210/240-94 and 270- 95. Ratings are net values, reflecting effects of circulating fan heat. Supplementary electric heat ...

  • Bryant 549C - page 7

    7 OPTIONS AND ACCESSORIES 548F036-120 *Factory-installed. †Field-installed. NOTES: 1. Refer to unit guide specificati ons, price pages, or contact your local representative for accessory and option package information. 2. Some options may increase pr oduct lead times. ITEM OPTION* ACCESSOR Y† 100% Open T wo-Position Damper X 25% Open T wo-Posit ...

  • Bryant 549C - page 8

    8 OPTIONS AND ACCESSORIES (cont) 549B036-120, 549C024-0 60 *Factory-installed. †Field-installed. NOTES: 1. Refer to unit guide specificati ons, price pages, or contact your local representative for accessory and option package information. 2. Some options may increase pr oduct lead times. ITEM OPTION* ACCESSOR Y† 100% Open T wo-Position Damper ...

  • Bryant 549C - page 9

    9 OPTIONS AND ACCESSORIES (cont) 542J150,180 *Factory-installed. †Field-installed. NOTES: 1. Refer to unit price pages or contact your local representative for accessory and option package information. 2. Some options may increase pr oduct lead times. ITEM OPTION* ACCESSOR Y† 25% Open T wo-Position Damper X Alternate Motors and Drives XX Barome ...

  • Bryant 549C - page 10

    10 OPTIONS AND ACCESSORIES (cont) Roof Curbs (Horizontal and V ertical) permit inst allation and securing of ductwork to curb prior to mounting unit on the curb. Both 14-in. and 24-in. ro of curbs are available as field-installed accessories. EconoMi$erI V is available as a factory-installed option in vertical supply/return configuratio n only for ...

  • Bryant 549C - page 11

    11 OPTIONS AND ACCESSORIES (cont) TR1 24 V ac COM TR 24 Va c HOT 12 3 4 5 EF EF1 + _ P1 T1 P T N EXH 2V 10V EXH Set Set 2V 10V 2V 10V DCV DCV Free Cool B C A D SO+ SR+ SR SO AQ1 AQ DCV Min Pos Open Max N1 ECONOMI$ERIV CONTROLLER OUTSIDE AIR TEMPERA TURE SENSOR LOW AMBIENT SENSOR ACTU A TOR WIRING HARNESS ECONOMI$ ER IV CONTROL GEAR-DRIVEN ECONOMI$E ...

  • Bryant 549C - page 12

    12 OPTIONS AND ACCESSORIES (cont) CONTROL BOX HINGED P ANEL OPTION, 549B036-072 UNITS SHOWN CONTROL BOX HINGED P ANEL OPTION, 549B090-120 UNITS SHOWN COMPRESSOR HINGED P ANEL OPTION, 549B090-120 UNITS SHOWN COMPRESSOR HINGED P ANEL OPTION, 549B036-060 UNIT S SHOWN NOTE: Hinged access panels are not available on 548F units. a50-8042 50-1298 50-1288 ...

  • Bryant 549C - page 13

    13 OPTIONS AND ACCESSORIES (cont) EV APORA TOR-F AN HINGED P ANEL OPTION FIL TER HINGED P ANEL OPTION NOTE: Hinged access panels are not available on 548F units. LOUVERED HAIL GUARD OPT ON (024-120 only) 50-1290 a50-8043 a50-8059 ...

  • Bryant 549C - page 14

    14 PHYSICAL DA T A 548F036-072 LEGEND *Weight of 14-in. roof curb. †Single phase/three phase. NOTE: The 548F units have a loss-of-charge switch located in the liquid line. UNIT SIZE 548F 036 048 060 072 NOMINAL CAP ACITY (tons) 3456 OPERA TING WEIGHT (lb) Unit 500 520 550 590 Economizer EconoMi$erIV or EconoMi$er2 50 50 50 50 Roof Curb* 11 5 11 5 ...

  • Bryant 549C - page 15

    15 PHYSICAL DA T A 548F090-120 LEGEND Bhp — Brake Horsepower *Weight of 14-in. roof curb. UNIT SIZE 548F 090 120 NOMINAL CAP ACITY (tons) 7 1 / 2 10 OPERA TING WEIGHT (lb) Unit 940 1015 Economizer EconoMi$erIV or EconoMi$er2 75 75 Roof Curb* 143 143 COMPRESSOR (Hermetic) Reciprocating Scroll Quantity 22 Oil (oz) 45 ea 54 ea REFRIGERANT TYPE R-22 ...

  • Bryant 549C - page 16

    16 BASE UNIT DIMENS IONS 548F036-072 a50-8044 548F ...

  • Bryant 549C - page 17

    17 BASE UNIT DIMENSIONS (cont) 548F090,120 a50-8045 548F ...

  • Bryant 549C - page 18

    18 ACCESSOR Y DIMENSIONS TO ENSURE AIRTIGHT CONNECTION. PLACE UNIT AS CLOSE TO THIS END AS POSSIBLE TO ENSURE AIRTIGHT CONNECTION. PLACE UNIT AS CLOSE TO THIS END AS POSSIBLE ROOF CURB ACCESSOR Y A UNIT SIZE CRRFCURB001A00 1 ′ -2 ″ [356] 548F036-072 CRRFCURB002A00 2 ′ -0 ″ [610] NOTES: 1. Roof curb accessory is shipped disassembled. 2. Insu ...

  • Bryant 549C - page 19

    19 ACCESSOR Y DIMENSIONS (cont) TO ENSURE AN AIRTIGHT CONNECTION, PLACE UNIT ON CURB AS CLOSE TO DUCT END AS POSSIBLE. TO ENSURE AN AIRTIGHT CONNECTION, PLACE UNIT ON CURB AS CLOSE TO DUCT END AS POSSIBLE. CONNECTOR PKG . ACCY . BC D AL T DRAIN HOLE GAS POWER CONTROL CRBTMPWR001A00 2 ′ -8 7 / 16 ″ [827] 1 ′ -10 15 / 16 ″ [583] 1 3 / 4 ″ [ ...

  • Bryant 549C - page 20

    20 SELECTION PROCEDURE (WITH 548F048 EXAMPLE) I DETERMINE COOLING AND HEA TING LOADS A T DESIGN CONDITIONS. Given: Required Cooling Capacity (TC) . . . . . . . . . . . 38,000 Btuh Sensible Heat Capacity (SHC) . . . . . . . . . . . . 24,000 Bt uh Required Heating Capacity . . . . . . . . . . . . . . . 35,000 Btuh Outdoor Entering-Air T empera tu re ...

  • Bryant 549C - page 21

    21 PERFORMANCE DA T A — 548F COOLING CAP ACITIES 548F036 (3 TONS) Te m p ( F ) Out door Entering Air (Edb) Indoor Entering Air — Cfm/BF 900/0.10 1200/0.15 1500/0.21 Indoor E ntering Air — Ewb (F ) 72 67 62 72 67 62 72 67 62 75 TC 42.4 39.9 36.5 43.0 41.2 38.7 45.1 42.8 40.3 SHC 16.7 22.0 26.8 17.5 24.2 30.9 19.3 26.9 34.1 kW 2.77 2.71 2.62 2. ...

  • Bryant 549C - page 22

    22 PERFORMANCE DA T A — 548F (cont) COOLING CAP ACITIES (cont) 548F072 (6 TONS) Te m p ( F ) Out door Entering Air (Edb) Indoor Entering Air — Cfm/BF 1800/0.10 2400/0.13 3000/0.19 Indoor Entering Air — Ewb (F) 72 67 62 72 67 62 72 67 62 75 TC 81.1 77.6 72.1 84.0 80.3 75.2 84.2 81.1 77.8 SHC 36.2 46.9 57.0 39.1 52.4 65.4 40.8 56.2 72.2 kW 5.16 ...

  • Bryant 549C - page 23

    23 PERFORMANCE DA T A — 548F (cont) COOLING CAP ACITIES (cont) LEGEND NOTES: 1. Direct int erpolation is permissible. Do not extrapolate. 2. The f ollowing formulas may be used: t lwb = Wet-bulb temperature corresponding to enthalpy of air leav- ing indoor coil (h lwb ) Where: h ewb = Enthalpy of air entering evaporator coil 3. Th e SHC is based ...

  • Bryant 549C - page 24

    24 PERFORMANCE DA T A — 548F (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS (cont) LEGEND NOTES: 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defro st it. 548F048 Return Air (F db) Cfm (St andard Air) Air T emperat ure ...

  • Bryant 549C - page 25

    25 PERFORMANCE DA T A — 548F (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS (cont) LEGEND NOTES: 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it. 548F072 Return Air (F db) Cfm (St andard Air) Air T emperat ure ...

  • Bryant 549C - page 26

    26 PERFORMANCE DA T A — 548F (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS (cont) LEGEND NOTES: 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defro st it. 548F120 Return Air (F db) Cfm (St andard Air) Air T emperat ure ...

  • Bryant 549C - page 27

    27 PERFORMANCE DA T A — 548F (cont) F AN PERFORMANC E — VERT ICAL DISCHARGE UNITS LEGEND See General Fan Performance notes below . LEGEND *Motor drive range: 760 to 1000 rpm. All other rpms require a field- supplied drive. See General Fan Performance notes below . NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum contin ...

  • Bryant 549C - page 28

    28 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1075 to 1455 rpm. All other rpms require a field- supplied drive. See General Fan Performance notes on page 27. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.40. LEGEND See General F ...

  • Bryant 549C - page 29

    29 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 770 to 1 175 rpm. All other rpms require a field- supplied drive. See General Fan Performance notes on page 27. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 1.00. LEGEND *Motor drive ...

  • Bryant 549C - page 30

    30 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND See General Fan Performance notes on page 27. LEGEND *Motor drive range: 878 to 1 192 rpm. All other rpms require a field- supplied drive. See General Fan Performance notes on page 27. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. ...

  • Bryant 549C - page 31

    31 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1300 to 1685 rpm. All other rpms r equire a field-supplied drive. See General Fan Performance notes on p age 27. NOTES: 1. Boldface indicates field-supplied drive is required . 2. Maximum continuous bhp is 2.90. LEGEND *Motor drive ...

  • Bryant 549C - page 32

    32 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1300 to 1685 rpm. All other rpms require a field- supplied drive. See General Fan Performance notes on page 27. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.90. 548F072 (6 TONS) — ...

  • Bryant 549C - page 33

    33 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 590 to 840 rpm. All other rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 2.40. 548F090 (7 1 / 2 T ONS ...

  • Bryant 549C - page 34

    34 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 685 to 935 rpm. All other rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.40. 548F090 (7 1 / 2 T ONS ...

  • Bryant 549C - page 35

    35 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 860 to 1080 rpm. All othe r rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 3.70. 548F090 (7 1 / 2 TON ...

  • Bryant 549C - page 36

    36 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 685 to 935 rpm. All other rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.40. 548F120 (10 TONS) — ...

  • Bryant 549C - page 37

    37 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 835 to 1085 rpm. All othe r rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 2.90. 548F120 (10 TONS) ? ...

  • Bryant 549C - page 38

    38 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 830 to 1 130 rpm. All other rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 5.25. 548F120 (10 TONS) ? ...

  • Bryant 549C - page 39

    39 PERFORMANCE DA T A — 548F (cont) F AN PERFORMANCE — HORIZONT AL DISCHARGE UNITS LEGEND See General Fan Performance not es on p age 27. LEGEND *Motor drive range: 760 to 1000 rpm. All other rpms require a field-supplied drive. See General Fan Performance notes on p age 27. NOTES: 1. Boldface indicates field-supplied drive is required . 2. Max ...

  • Bryant 549C - page 40

    40 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND See General Fan Performance notes on page 27. LEGEND *Motor drive range: 770 to 1 175 rpm. All other rpms require a field- supplied drive. See General Fan Performance notes on page 27. NOTES: 1. Boldface indicates field-supplied drive is requ ired. ...

  • Bryant 549C - page 41

    41 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1075 to 1455 rpm. All other rpms require a field- supplied drive. See General Fan Performance notes on page 27. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 2.40. LEGEND See Genera ...

  • Bryant 549C - page 42

    42 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEN D *Motor driv e range: 878 t o 1 19 2 rpm. All oth er rpms requ ire a field- supplied drive. See General Fan Per formance not es on page 27. NOTES: 1. Boldface indicates field-supp lied drive i s r equired. 2. Maximum continuo us bhp is 1.30 for si ...

  • Bryant 549C - page 43

    43 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1070 to 1460 rpm. All other rpms r equire a field-supplied drive. See General Fan Performance notes on p age 27. NOTES: 1. Boldface indicates field-supplied drive is required . 2. Maximum continuous bhp is 2.40. LEGEND *Motor dr ...

  • Bryant 549C - page 44

    44 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 590 to 840 rpm. All other rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.40. 548F090 (7 1 / 2 TO ...

  • Bryant 549C - page 45

    45 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 685 to 935 rpm. All other rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 2.40. 548F090 (7 1 / 2 TO ...

  • Bryant 549C - page 46

    46 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 860 to 1080 rpm. All othe r rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 3.70. 548F090 (7 1 / 2 ...

  • Bryant 549C - page 47

    47 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 685 to 935 rpm. All other rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 2.40. 548F120 (10 TONS) ? ...

  • Bryant 549C - page 48

    48 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 835 to 1085 rpm. All othe r rpms require field- supplied drive. Refer to page 27 General Fan Performance Notes. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.90. 548F120 (10 TONS) ...

  • Bryant 549C - page 49

    49 PERFORMANCE DA T A — 548F (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 830 to 1 130 rpm. All other rpms require field- supplied drive. Refer to General Fan Performance Notes on page 27. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 5.25. 548F120 (10 TO ...

  • Bryant 549C - page 50

    50 PERFORMANCE DA T A — 548F (cont) F AN RPM A T MOTOR PULLEY SETTINGS* — 548F036-120 *Approximate fan rpm shown. †Indicates alternate motor and drive package. **Indicates high-static motor and drive package. ††Indicates standard motor and drive package. ***Indicates alternate drive package only . ACCESSOR Y/HEA TER ST A TIC PRESSUR E* (i ...

  • Bryant 549C - page 51

    51 PERFORMANCE DA T A — 548F (cont) 0 5 10 15 20 25 30 0. 1 3 0. 2 0 0. 22 0. 25 0. 30 0. 35 0 . 40 0. 4 5 0 . 50 036 - 072 090 - 120 ST A TIC PRESSURE (in. wg) FLOW IN CUBIC FEET PER MINUTE (cfm) V e rtical EconoMi$erIV and EconoMi$er2 Perfor mance Data (548F036-120) VERTICAL POWER EXHAUST PERFORMANCE Horizontal EconoMi$erIV and EconoMi$er2 Perf ...

  • Bryant 549C - page 52

    52 PERFORMANCE DA T A — 548F (cont) ELECTRIC HEA TING CAP ACITIES — 548F036-072 *T wo heater packages required to provide kW indicated. †Use CRSINGLE004A00 for units with convenience outlet. **Use CRSINGLE002A00 for units with convenience outlet. ††Use CRSINGLE002A00 for units with high-static motor and convenience outlet. NOTES: 1. The r ...

  • Bryant 549C - page 53

    53 PERFORMANCE DA T A — 548F (cont) ELECTRIC HEA TING CAP ACITIES — 548F090-120 *T wo heater package s required to provide kW indicate d. NOTES: 1. The rated heater voltage is 240, 480, and 575 v . If power distribution volt age varies from rated heater voltage, heater kW wi ll vary accordingly . 2. T o determine heater kW at voltages ot her th ...

  • Bryant 549C - page 54

    54 PERFORMANCE DA T A — 548F (cont) INDOOR-F AN MOTOR PERFORM ANCE — 548F036-120 UNITS LEGEND BHP — Brake Horsepower *Extensive motor and el ectrical testing on these unit s ensures that the full horse- power range of the motors can be utiliz ed with confidence. Using your fan motors up to the horsepower ratings shown in this table will not r ...

  • Bryant 549C - page 55

    55 ELECTRICAL DA T A — 548F 548F036-120 (UNITS WITHOUT EL ECTRICAL CONVENIENCE OUTLET) NOTE: Legend and Note s for Electrical Dat a are on page 57. UNIT 548F NOMINAL V- P H - H z IFM TYPE VOL TAGE RANGE COMPRE SSOR (each) OFM FLA IFM FLA ELECTRIC HEA T* POWER SUPPL Y DIS CONNECT SIZE† Min Max RLA LRA Nominal kW** FLA MCA MOCP FLA LRA 036 (3 T o ...

  • Bryant 549C - page 56

    56 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNI TS WI THOUT ELECTRICAL CON VENIENCE OUTLET) (cont) NOTE: Legend and Note s for Electrical Dat a are on page 57. UNIT 548F NOMINAL V- P H - H z IFM TYPE VOL TAGE RANGE COMPRESSOR (each) OFM FLA IFM FLA ELECTRIC HEA T* POWER SUPPL Y DISCONNECT SIZE† Min Max RLA LRA Nominal kW** FLA MCA MOCP FLA ...

  • Bryant 549C - page 57

    57 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNI TS WI THOUT ELECTRICAL CON VENIENCE OUTLET) (cont) LEGEND *Heaters are field insta lled only . †Used to determine minimum disconnect size pe r NEC. **Heater capacity (kW) is based on heater voltage of 208 v , 240 v and 480 v . If power distribution voltage to unit varies f rom rated heater vol ...

  • Bryant 549C - page 58

    58 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNI TS WI THOUT ELECTRICAL CON VENIENCE OUTLET) (cont) NOTE: Legend and Notes for Electrical Data are on p age 57. UNIT 548F NOMINAL V- P H - H z IFM TYPE VOL T AGE RANGE COMPRESSOR (each) OFM FLA IFM FLA ELECTRIC HEA T* POWER SUPPL Y DISCONNECT SIZE† Min Max RLA LRA Nominal kW** FLA MCA MOCP FLA ...

  • Bryant 549C - page 59

    59 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNI TS WI THOUT ELECTRICAL CON VENIENCE OUTLET) (cont) NOTE: Legend and Notes for Electrical Dat a are on page 57. UNIT 548F NOMINAL V- P H - H z IFM TYPE VOL T AGE RANGE COMPRESSOR (each) OFM FLA IFM FLA ELECTRIC HEA T* POWER SUPPL Y DISCONNECT SIZE† Min Max RLA LRA Nominal kW** FLA MCA MOCP FLA ...

  • Bryant 549C - page 60

    60 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNITS WITH ELECTRICAL CONVENIENCE OUT LET ) NOTE: Legend and Note s for Electrical Dat a are on page 62 . UNIT 548F NOMINAL V- P H - H z IFM TYPE VOL TAGE RANGE COMPRESSOR (each) OFM FLA IFM FLA ELECTR IC HEA T* POWER SUPP L Y DISCONNECT SIZE† Min Max RLA LRA Nominal kW** FLA MCA MOCP FLA LRA 036 ...

  • Bryant 549C - page 61

    61 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNITS WITH ELECTRI CAL CONVENIENCE OU TLET) (cont) NOTE: Legend and Note s for Electrical Dat a are on page 62. UNIT 548F NOMINAL V- P H - H z IFM TYPE V O LTA G E RANGE COMPRESSOR (each) OFM FLA IFM FLA ELECTRIC HEA T* POWER SUPPL Y DISCONNECT SIZE† Min Max RLA LRA Nominal kW** FLA MCA MOCP FLA L ...

  • Bryant 549C - page 62

    62 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNITS WITH ELECTRI CAL CONVENIENCE OU TLET) (cont) LEGEND *Heaters are field insta lled on ly . †Used to determine minimum disconnect size pe r NEC. **Heater capacity (kW) is based on heater voltage of 208 v , 240 v and 480 v . If power distribution voltage to unit varies f rom rated heater voltag ...

  • Bryant 549C - page 63

    63 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNITS WITH ELECTRI CAL CONVENIENCE OU TLET) (cont) NOTE: Legend and Note s for Electrical Dat a are on page 64. UNIT 548F NOMINAL V- P H - H z IFM TYPE VOL TAGE RANGE COMPRE SSOR (each) OFM FLA IFM FLA ELECTRIC HEA T* POWER SUPPL Y DISCONNECT SIZE† Min Max RLA LRA Nominal kW** FLA MCA MOCP FLA LRA ...

  • Bryant 549C - page 64

    64 ELECTRICAL DA T A — 548F (cont) 548F036-120 (UNITS WITH ELECTRI CAL CONVENIENCE OU TLET) (cont) LEGEND *Heaters are f ield installed onl y . †Used to det ermine minimum disconnect size per NEC. **Heater cap acity (kW) is ba sed on heater volt age of 208 v , 240 v , 480 v , and 575 v . If power distribution voltage to unit varies from rate d ...

  • Bryant 549C - page 65

    65 TYPICAL WIRING SCHEMA TICS — 548F AW G — American Wire Gage C— Contactor , Compressor CAP — Capacitor CB — Circuit Breaker CH — Crankcase Heater COMP — Compressor Motor DB — Defrost Board DFT — Defrost Thermostat EQUIP — Equipment FPT — Freeze Protection Thermostat GND — Ground HC — Heater Cont actor HPS — High-Pressu ...

  • Bryant 549C - page 66

    66 TYPICAL WIRING SCHEMA TICS — 548F (cont) EconoMi$erIV Wirin g 4 3 5 2 8 6 7 1 10 11 9 12 PINK VIOLET BLACK BLUE YELLOW NOTE 1 NOTE 2 RUN 500 OHM RESISTOR - + OPTIONAL CO SENSOR 4 - 20 mA OUTPUT 50HJ540573 ACTUA TOR ASSEMBL Y RED WHITE ECONOMISER2 PLUG DIRECT DRIVE ACTUA TOR 2 NOTES: 1. Switch on actuator must be in run position for economizer ...

  • Bryant 549C - page 67

    67 TYPICAL WIRING SCHEMA TICS — 548F (cont) C2 FOR 008-014 UNITS LINE SIDE C 11 13 23 23 21 BLU BLU GRA GRA RED GRA RED RED YEL YEL 208-230-1 ONL Y 240V H1 H1 H3 H2 H2 H4 TRAN4 TRAN4 TRAN4 X4 X2 X3 X1 WHT BLK SECONDARY 120V GROUND F AUL T INTERRUPTER CONVENIENCE OUTLET GFI - CO GRN-YEL GRN-YEL WHT BLK FUSE 15 AMP TEST RESET SWITCH SECONDARY 120V ...

  • Bryant 549C - page 68

    68 TYPICAL PIPING AND WIRING — 548F V ertical Discharge Ducting Horizont al Discharge Ducting LEGEND NEC — National Electrical Code 50-1279 50-1297 548F ...

  • Bryant 549C - page 69

    69 GUIDE SPECIFICA TIONS — 548F036-120 P ACKAGED ROOFTOP AIR-TO-AIR HEA T PUMP WITH ELECTRIC HEA T OPTION — CONST ANT VOLUME APPLICA TION HV AC GUIDE SPECIFICA TIONS SIZE RANGE: 3 TO 10 T ONS, NOMINAL (COOLING) 34,400 TO 105,000 BTUH, NOMINAL (HEA TING) 4 TO 50 kW NOMINAL (ELECTRIC HEA TING) BRY ANT MODEL NUMBER: 548F P ART 1 — GENERAL 1.01 S ...

  • Bryant 549C - page 70

    70 GUIDE SPECIFICA TIONS — 548F036-120 (cont) c. E-Coated copper-fin coils shall have a flexibl e epoxy polymer coating uniformly applied to all coil surface areas without material bridging between fins. Coating process shall ensure comp lete coil encapsulation. Color shall be high gl oss black with gloss — 60 deg of 65 to 90% per ASTM D523-89. ...

  • Bryant 549C - page 71

    71 GUIDE SPECIFICA TIONS — 548F036-120 (cont) f. EconoMi$erIV and EconoMi$er2 shall be equi pped with a barometric relief damp er capable of relieving up to 100% return air . g. Designed to close damper(s) duri ng loss-of- power situations with spring return built into motor . h. Dry bulb o utdoor-air temperature sensor shall be provided as stand ...

  • Bryant 549C - page 72

    72 GUIDE SPECIFICA TIONS — 548F036-120 (cont) 12. Power Exhaust Accessory for Econo Mi$erIV or EconoMi$er2: Power exhaust shall b e used in conjuncti on with EconoMi$erIV or EconoMi $er2 to provide system exhaust of up to 100% of return air (vertica l only). The power exhaust is a fi eld-installed accessory (separate vertical and horizontal desig ...

  • Bryant 549C - page 73

    73 PHYSICAL DA T A — 549B036-072 LEGEND *Single phase/three phase. UNIT SIZE 549B 036 048 060 072 NOMINAL CAP AC ITY (tons) 3456 OPERA TING WEIGHT (lb) Unit 550 560 630 630 EconoMi$erIV 50 50 50 50 Roof Curb 11 5 11 5 11 5 11 5 COMPRESSOR Scroll Quantity 1111 Oil (oz) 42 42 53 80 REFRIGERANT TYPE R-22 Operating Charge (lb) 12.0 12.0 18.3 17.7 OUT ...

  • Bryant 549C - page 74

    74 PHYSICAL DA T A — 549B090-120 LEGEND BASE UNIT 549B 090 102 120 NOMINAL CAP A CITY (tons) 7 1 / 2 8 1 / 2 10 OPERA TING WEIGHT (lb) Unit 870 1000 1000 EconoMi$erIV 75 75 75 Roof Curb 223 223 223 COMPRESSOR Scroll Quantity 22 2 Oil (oz) (each compr) 57 70 57 REFRIGERANT TYPE R-22 Operati ng Charge ( lb) Circuit 1 9.5 1 1.0 10.7 Circuit 2 9.5 1 ...

  • Bryant 549C - page 75

    75 PHYSICAL DA T A — 549C024-060 LEGEND *Single phase/three phase. UNIT SIZE 549C 024 036 048 060 NOMINAL CAP A CITY (tons) 23 4 5 OPERA TING WEIGHT (lb) Unit 550 550 560 630 EconoMi$erIV 50 50 50 50 Roof Curb 1 15 1 15 1 15 1 15 COMPRESSOR Scroll Quantity 11 1 1 Oil (oz) 80 42 42 53 REFRIGERANT TYPE R–22 Operati ng Charge ( lb) 5.2 12.0 12.0 1 ...

  • Bryant 549C - page 76

    76 BASE UNIT DIMENS IONS 549B036-072 a50-8054 549B, 549C ...

  • Bryant 549C - page 77

    77 BASE UNIT DIMENSIONS (cont) 549B, 549C 549B090-120 a50-8055 ...

  • Bryant 549C - page 78

    78 BASE UNIT DIMENSIONS (cont) 549B, 549C 549C024-060 a50-8097 ...

  • Bryant 549C - page 79

    79 ACCESSOR Y DIMENSIONS ROOF CURB ACCESSORY A UNIT SIZE CRRFCURB001A01 1 ′ -2 ″ [356] 549B, 54 9C 024-072 CRRFCURB002A01 2 ′ -0 ″ [610] NOTES: 1. Roof curb accessory is shipped disassembled. 2. Insulated panels. 3. Dimensions in [ ] are in millimeters. 4. Roof curb: galvanized steel. 5. Attach ductwork to curb (flanges of duct rest on curb ...

  • Bryant 549C - page 80

    80 ACCESSOR Y DIMENSIONS (cont) CONNECTOR PKG . A CCY . BC D AL T DRAIN HOLE GAS POWER CONTROL ACCESSOR Y POWER CRBTMPWR001A01 2 ′ -8 7 / 16 ″ [827] 1 ′ -10 15 / 16 ″ [583] 1 3 / 4 ″ [44.5] 3 / 4 ″ [19] NPT 3 / 4 ″ [19] NPT 1 / 2 ″ [12.7] NP T 1 / 2 ″ [12.7] NP T CRBTMPWR002A01 1 1 / 4 ″ [31.7] CRBTMPWR003A01 1 / 2 ″ [12.7] NP ...

  • Bryant 549C - page 81

    81 SELECTION PROCEDURE (WITH 549B048 EXAMPLE) I DETERMINE COOLING AND HEA T ING REQUIRE- MENTS A T DESIGN CONDITIONS: Given: Required Cooling Capacity (TC) . . . . . . . . . . 38,000 Btu h Sensible Heat Capacity (SHC). . . . . . . . . . . . 24,000 Btuh Required Heating Capacity . . . . . . . . . . . . . . 35,000 Btuh Outdoor E ntering-Air T emperat ...

  • Bryant 549C - page 82

    82 PERFORMANCE DA T A — 549B, 549C COOLING CAP ACITIES 549B036 (3 T on s) Te m p ( F ) Outdoor Entering Air (Edb) Indoor Entering Air — Cfm/BF 900/0.12 1200/0.15 1500/0. 18 Indoor Entering Air — Ewb (F) 72 67 62 72 67 62 72 6 7 62 75 TC 41.2 37.8 34.4 42.9 39.6 36.3 43.6 40.6 37.5 SHC 19.8 24.5 28.8 21.5 27.6 32.9 22.5 30.1 36.3 kW 2.1 1 2.08 ...

  • Bryant 549C - page 83

    83 PERFORMANCE DA T A — 549B, 549C (cont) COOLING CAP ACITIES (cont) 549B072 (6 T ons) Te m p ( F ) Outdoor Entering Air (Edb) Indoor Entering Air — Cfm/ BF 1800/0.06 2100/0. 066 2400/0.071 3000/0.088 Indoor Entering Air — Ewb (F) 72 67 62 57 72 67 62 57 72 67 62 57 72 67 62 57 75 TC 83.2 77.6 71.6 67.9 84.7 79.8 73.6 71.5 85.9 81. 0 75.0 74. ...

  • Bryant 549C - page 84

    84 PERFORMANCE DA T A — 549B, 549C (cont) COOLING CAP ACITIES (cont) LEGEND NOTES: 1. Direct int erpolation is permissible. Do not extrapolate. 2. The fo llowing formulas may be used: t lwb = Wet-bulb temperature corresp onding to en thalpy of air leav- ing indoor coil (h lwb ) Where: h ewb = Enthalpy of air entering indoor coil 3. SHC is base d ...

  • Bryant 549C - page 85

    85 PERFORMANCE DA T A — 549B, 549C (cont) COOLING CAP ACITIES (cont) LEGEND NOTES: 1. Direct int erpolation is permissible. Do not extrapolate. 2. The f ollowing formulas may be used: t lwb = Wet-bulb temperature corresp onding to en thalpy of air leav- ing indoor coil (h lwb ) Where: h ewb = Enthalpy of air entering indoor coil 3. SHC is base d ...

  • Bryant 549C - page 86

    86 PERFORMANCE DA T A — 549B, 549C (cont) COOLING CAP ACITIES (cont) LEGEND NOTES: 1. Direct int erpolation is permissible. Do not extrapolate. 2. The fo llowing formulas may be used: t lwb = Wet-bulb temperature corresp onding to en thalpy of air leav- ing indoor coil (h lwb ) Where: h ewb = Enthalpy of air entering indoor coil 3. SHC is base d ...

  • Bryant 549C - page 87

    87 PERFORMANCE DA T A — 549B, 549C (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS LEGEND NOTES : 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it. 549B036 (3 T on s) Return Air (F db) Cfm (St andard Air) T emper ...

  • Bryant 549C - page 88

    88 PERFORMANCE DA T A — 549B, 549C (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS (cont) LEGEND NOTES : 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defro st it. 549B060 (5 T on s) Return Air (F db) Cfm (St andard Air) ...

  • Bryant 549C - page 89

    89 PERFORMANCE DA T A — 549B, 549C (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS (cont) LEGEND NOTES: 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it. 549B090 (7 1 / 2 To n s ) Return Air (F db) Cfm (St andard ...

  • Bryant 549C - page 90

    90 PERFORMANCE DA T A — 549B, 549C (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS (cont) LEGEND NOTES: 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defro st it. 549B120 (10 T o ns) Return Air (F db) Cfm (St andard Air) ...

  • Bryant 549C - page 91

    91 PERFORMANCE DA T A — 549B, 549C (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS (cont) LEGEND NOTES: 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it. 549C036 (3 T on s) Return Air (F db) Cfm (St andard Air) T ...

  • Bryant 549C - page 92

    92 PERFORMANCE DA T A — 549B, 549C (cont) INST ANT ANEOUS AND INTEGRA TED HEA T ING RA TINGS (cont) LEGEND NOTES: 1. indicates integrated ratings. 2. Integr ated cap acity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defro st it. F AN PERFORMANCE — VERTICAL DISCHARGE UNITS LEGEND *Mot ...

  • Bryant 549C - page 93

    93 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 680 to 1044 rpm. All othe r rpms require field- supplied drive. NOTES : 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 1.20. 3. See page 103 for General Fan Performance Notes. LEGEND *Mo ...

  • Bryant 549C - page 94

    94 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 770 to 1 185 rpm. All other rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 1.20. 3. See page 103 for General Fan Performance Notes. LEGEND *Mot ...

  • Bryant 549C - page 95

    95 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1035 to 1460 rpm. All ot her rpms require field-supplied drive. NOTES: 1. Boldface indicates field-supplied drive is required. 2. Maximum continuous bhp is 1.30. 3. See page 103 for General Fan Performance Notes. LEGEND *Moto ...

  • Bryant 549C - page 96

    96 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1300 to 1685 rpm. All ot her rpms require field-supplied drive. NOTES: 1. Boldface indicates fie ld-supplied drive is required. 2. Maximum continuous bhp is 2.90. 3. See page 103 for General Fan Performance Notes. LEGEND *Mot ...

  • Bryant 549C - page 97

    97 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1300 to 1685 rpm. All other rpms requir e field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 2.90. 3. See page 103 for General Fan Performance Notes. 549B072 (6 ...

  • Bryant 549C - page 98

    98 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 730 to 950 rpm. All other rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.90. 3. See page 103 for General Fan Performance Notes. 549B090 (7 1 ...

  • Bryant 549C - page 99

    99 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 860 to 1080 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 3.70. 3. See page 103 for General Fan Performance Notes. 549B090 (7 ...

  • Bryant 549C - page 100

    100 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 840 to 1085 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.90. 3. See page 103 for General Fan Performance Notes. 549B102 (8 ...

  • Bryant 549C - page 101

    101 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 860 to 1080 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 3.70. 3. See page 103 for General Fan Performance Notes. 549B102 (8 ...

  • Bryant 549C - page 102

    102 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 860 to 1080 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 3.70. 3. See page 103 for General Fan Performance Notes. 549B120 (1 ...

  • Bryant 549C - page 103

    103 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 922 to 1219 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 5.25. 3. See below for General Fan Performance Notes. GENERAL NOTES ...

  • Bryant 549C - page 104

    104 PERFORMANCE DA T A — 549B, 549C (cont) F AN PERFORMANCE — HORIZONT AL DISCHARGE UNITS LEGEND *Motor drive range: 639 to 936 rpm. All other rpms require field-supplied drive. NOTES: 1. Boldface indicates field-sup plied drive is required. 2. Maximum continuous bhp is 0.58. 3. See page 103 for General Fan Performance Notes. LEGEND *Motor driv ...

  • Bryant 549C - page 105

    105 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 770 to 1 185 rpm. All other rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 1.20. 3. See page 103 for General Fan Performance Notes. LEGEND ...

  • Bryant 549C - page 106

    106 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1035 to 1460 rpm. All ot her rpms require field-supplied drive. NOTES: 1. Boldface indicates fie ld-supplied drive is required. 2. Maximum continuous bhp is 1.30. 3. See page 103 for General Fan Performance Notes. LEGEND ...

  • Bryant 549C - page 107

    107 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1300 to 1685 rpm. All ot her rpms require field-supplied drive. NOTES: 1. Boldface indicates field-supplied drive is required. 2. Maximum continuous bhp is 2.90. 3. See page 103 for General Fan Performance Notes. LEGEND * ...

  • Bryant 549C - page 108

    108 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 1300 to 1685 rpm. All other rpms requir e field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 2.90. 3. See page 103 for General Fan Performance Notes. 549B07 ...

  • Bryant 549C - page 109

    109 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 730 to 950 rpm. All other rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 2.90. 3. See page 103 for General Fan Performance Notes. 549B090 ( ...

  • Bryant 549C - page 110

    110 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 860 to 1080 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 3.70. 3. See page 103 for General Fan Performance Notes. 549B090 ...

  • Bryant 549C - page 111

    111 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 840 to 1085 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 2.90. 3. See page 103 for General Fan Performance Notes. 549B102 ...

  • Bryant 549C - page 112

    112 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 860 to 1080 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 3.70. 3. See page 103 for General Fan Performance Notes. 549B102 ...

  • Bryant 549C - page 113

    113 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 860 to 1080 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is req uired. 2. Maximum continuous bhp is 3.70. 3. See page 103 for General Fan Performance Notes. 549B120 ...

  • Bryant 549C - page 114

    114 PERFORMANCE DA T A — 549B, 549C (cont) F A N PERFORMANCE — HORIZONT AL DISCHARGE UNITS (cont) LEGEND *Motor drive range: 922 to 1219 rpm. All othe r rpms require field- supplied drive. NOTES: 1. Boldface indicates field-supplied drive is requ ired. 2. Maximum continuous bhp is 5.25. 3. See page 103 for General Fan Performance Notes. 549B120 ...

  • Bryant 549C - page 115

    115 PERFORMANCE DA T A — 549B, 549C (cont) F AN RPM A T MOT OR PULLEY SETTINGS* *Approximate fan rpm shown. †Indicates standard motor and drive package. **Indicates high-static motor and drive package. INDOOR-F AN MOTOR PERFORMANCE — ST ANDARD MOTORS INDOOR-F AN MOTOR PERFORMANCE — HIGH-ST A TIC MOTORS LEGEND BHP — Brake Horsepow er *Exte ...

  • Bryant 549C - page 116

    116 PERFORMANCE DA T A — 549B, 549C (cont) ACCESSOR Y ELECTRIC HEA TERS ST A TIC PRESSURE* (in. wg) — 549B036-072 AND 549C024-060 LEGEND *The static pressure must be added to externa l static pressure. The sum and the indoor entering-air cfm should be used in conjunction with t he Fan Perform ance tables to determine indoor blower rpm and watts ...

  • Bryant 549C - page 117

    117 PERFORMANCE DA T A — 549B, 549C (cont) ELECTRIC HEATING CAPACITIES — 549B036-120 AND 549C024-060 *T wo heater packages required to provide kW indicated. NOTES: 1. The rated heater voltage is 240 and 480 v . If power distribution voltage varies from rated heater voltage, heater kW will var y accordingly . 2. T o determine heate r kW at volta ...

  • Bryant 549C - page 118

    118 PERFORMANCE DA T A — 549B, 549C (cont) ELECTRIC HEA TIN G CAP ACITIES — 549B036-120 AND 549C0 24-06 0 (cont) *T wo heater packages required to provide kW indicated. NOTES: 1. The rated heater voltage is 240 and 480 v . If power distribution voltage varies from rated heater voltage, heater kW will var y accordingly . 2. T o determine heate r ...

  • Bryant 549C - page 119

    119 ELECTRICAL DA T A — 549B 549B036-120 ST ANDARD MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET See Legend on page 1 14. UNIT 549B NOMINAL VOL T AGE V- P H - H z VOL T AGE RANGE COMPRESSOR OFM IFM ELECT RIC HEA T* POW ER SUPPL Y MINIMUM UNIT DISCONNECT SIZE Min Max RL A LRA FLA FLA kW† FLA MCA MOC P FLA LRA 036 (3 T ons) 208/230-1-60 187 2 ...

  • Bryant 549C - page 120

    120 ELECTRICAL DA T A — 549B (cont) 549B036-120 ST ANDARD MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET (cont) LEGEND *Heater capacity (kW) is based on heater voltage of 208 v , 240 v , or 480 v . If power distribution vol tage to unit varies from rated heater volt age, heater kW will vary accordingly . †Heaters are field inst alled only . ...

  • Bryant 549C - page 121

    121 ELECTRICAL DA T A — 549B (cont) 549B036-120 — ST A NDARD MOTOR UNITS WITH ELECTRICAL CONVENIENCE OUTLET See Legend on page 122 . UNIT 549B NOMINAL VOL T AGE V- P H - H z VOL T AGE RANGE COMPRESSOR OFM IFM ELECTRIC HEA T* POWER SUPPL Y MINIMUM UNIT DISCONNECT SIZE Min Max RLA LRA FLA FLA kW† FLA MCA MOCP FLA LRA 036 (3 T ons) 208/230-1-60 ...

  • Bryant 549C - page 122

    122 ELECTRICAL DA T A — 549B (cont) 549B036-120 — ST ANDARD MOTOR UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont) LEGEND *Heater capacity (kW) is based on heater voltage of 208 v , 240 v , or 480 v . If power distribution vol tage to unit varies from rated heater volt age, heater kW will vary accordingly . †Heaters are field inst alled only . ...

  • Bryant 549C - page 123

    123 ELECTRICAL DA T A — 549B (cont) 549B036-120 — HIGH-ST A TIC MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET See Legend on page 124 . UNIT 549B NOMINAL VOL T AGE V- P H - H z VOL T AGE RANGE COMPRESSOR OFM IFM ELECTRIC HEA T* POWER SUPPL Y MINIMUM UNIT DISCONNECT SIZE Min Max RLA LRA FLA FLA kW† FLA MCA MOCP FLA LRA 036 (3 T ons) 208/230 ...

  • Bryant 549C - page 124

    124 ELECTRICAL DA T A — 549B (cont) 549B036-120 — HIGH-ST A TIC MOTOR UNITS WITHOUT ELECTRICAL CONVEN IENCE OUTLET (cont) LEGEND *Heater capacity (kW) is based on heater voltage of 208 v , 240 v , or 480 v . If power distribution vol tage to unit varies from rated heater volt age, heater kW will vary accordingly . †Heaters are field inst alle ...

  • Bryant 549C - page 125

    125 ELECTRICAL DA T A — 549B (cont) 549B036-120 — HIGH-ST A TIC MOTOR UNITS WITH ELECTRICAL CO NVENIENCE OUTLET See Legend on page 126 . UNIT 549B NOMINAL VOL T AGE V- P H - H z VOL T AGE RANGE COMPRESSOR OFM IFM ELECTR IC HEA T* POWER SUPPL Y MINIMUM UNIT DISCONNECT SIZE Min Max RLA LRA FLA FLA kW† FLA MCA MOCP FLA LRA 036 (3 T ons) 208/230- ...

  • Bryant 549C - page 126

    126 ELECTRICAL DA T A — 549B (cont) 549B036-120 — HIGH-ST A TIC MOTOR UNITS WITH ELECTRICAL CONVENIENCE OUTLET (cont) LEGEND *Heater capacity (kW) is based on heater voltage of 208 v , 240 v , or 480 v . If power distribution vol tage to unit varies from rated heater volt age, heater kW will vary accordingly . †Heaters are field inst alled on ...

  • Bryant 549C - page 127

    127 ELECTRICAL DA T A — 549C 549C024-060 — ST ANDARD MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET See Legend on page 128. UNIT 549C NOMINAL VOL T AG E (V -Ph-Hz) VOL T AGE RANGE COMPRESSOR (each) OFM (each) IFM E LECT RIC HEA T* POWER SUPPL Y MINIMUM UNIT DISCONNECT SIZE Min Max RL A LRA FLA FL A kW† FLA MCA MOCP FLA LRA 024 (2T ons) 208 ...

  • Bryant 549C - page 128

    128 ELECTRICAL DA T A — 549C (cont) 549C024-060 — HIGH-ST A TIC MOTOR UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET LEGEND *Heater capacity (kW) is based on heater voltage of 208 v , 240 v , or 480 v . If power distribution vol tage to unit varies from rated heater volt age, heater kW will vary accordingly . †Heaters are field inst alled only . ...

  • Bryant 549C - page 129

    129 ELECTRICAL DA T A — 549C (cont) 549C024-060 — ST A NDARD MOTOR UNITS WITH ELECTRICAL CONVENIENCE OUTLET See Legend on page 130. UNIT 549C NOMINAL VOL T AGE (V -Ph-Hz) VOL T AGE RANGE COMPRESSOR (each) OFM (each) IFM ELECTRIC HEA T* POWER SUPPL Y MINIMUM UNIT DISCONNECT SIZE Min Max RLA LRA FL A FLA kW† FLA MCA MOCP** FLA LRA 024 (2 T ons) ...

  • Bryant 549C - page 130

    130 ELECTRICAL DA T A — 549C (cont) 549C036-060 — HIGH-ST A TIC MOTOR UNITS WITH ELECTRICAL CO NVENIENCE OUTLET LEGEND *Heater capacity (kW) is based on heater voltage of 208 v , 240 v , or 480 v . If power distribution vol tage to unit varies from rated heater volt age, heater kW will vary accordingly . †Heaters are field inst alled only . * ...

  • Bryant 549C - page 131

    131 TYPICAL WIRING SCHEMA TICS — 549B, 549C LEGEND AW G — American Wire Gage C— Contact or , Compressor CAP — Capacitor CB — Circuit Breaker CLO — Compressor Lockout COMP — Compressor Motor DB — Defrost Board DFT — Defrost Thermostat FPT — Free ze Protec tion Therm ostat FU — Fuse GND — Ground HC — Heater Contactor (Electr ...

  • Bryant 549C - page 132

    132 TYPICAL WIRING SCHEMA TICS — 549B, 549C (cont) EconoMi$erIV Wiring — 549B03 6-120, 549C024-060 LEGEND IAQ — Indoor Air Quality LA — Low Ambient Lockou t Device POT — Potentiometer OA T — Outdoor-Air T emperature RA T — Return-Air T emperature NOTE: Potentiometer Defa ults Settings: Power Exhaust Middle Minimum Pos. Fully Closed DC ...

  • Bryant 549C - page 133

    133 TYPICAL WIRING SCHEMA TICS — 549B, 549C (cont) C2 FOR 090-120 UNITS LINE SIDE C 11 13 23 23 21 BLU BLU GRA GRA RED GRA RED RED YEL YEL 208-230-1 ONL Y 240V H1 H1 H3 H2 H2 H4 TRAN4 TRAN4 TRAN4 X4 X2 X3 X1 WHT BLK SECONDARY 120V GROUND F AUL T INTERRUPTER CONVENIENCE OUTLET GFI - CO GRN-YEL GRN-YEL WHT BLK FUSE 15 AMP TEST RESET SWITCH SECONDAR ...

  • Bryant 549C - page 134

    134 TYPICAL PIPING AND WIRING — 549B036-120, 549C024-060 V ertical Discharge Ducting Horizontal Discharge Ducting LEGEND NEC — National Electrical Code 50-1262 a50-671 1 549B, 549C ...

  • Bryant 549C - page 135

    135 GUIDE SPECIFICA TIONS — 54 9B036-120, 549C 024-060 P ACKAGED ROOFTOP AIR-T O-AIR HEA T PUMP — CONST ANT VOLUME APPLICA TION HV AC GUIDE SPECIFICA TIONS SIZE RANGE: 2 TO 10 T ONS, NOMINAL (COOLING) 34,800 TO 1 14,000 BTUH, NOMINAL (HEA TING) 4 TO 50 kW NOMINAL (ELECTRIC HEA TING) BRY ANT MODEL NUMBER : 549B 549C P ART 1 — GENERAL 1.01 SYST ...

  • Bryant 549C - page 136

    136 GUIDE SPECIFICA TIONS — 549B03 6-120, 549C024-060 (cont) 3. Coils: a. Copper-fin coils shall b e constructed of copper fins mechanically bond ed to copper tubes an d copper tube sheets. Galv anized steel tube shee ts shall not be acceptable. A polymer strip shall pre- vent coil assembly from contacting the sheet metal coil pan to minimize pot ...

  • Bryant 549C - page 137

    137 GUIDE SPECIFICA TIONS — 549B036-120, 549C02 4-060 (cont) 3. Compressor with standard co ntrols shall be capable of operation down to –20 F (in heating mode) am bi- ent outdoor temperature. 4. Unit shall be capable of simultaneous h eating duty and defrost cycle operat ion when using accessory electric heaters. K. Electrical Requirements: Al ...

  • Bryant 549C - page 138

    138 GUIDE SPECIFICA TIONS — 549B03 6-120, 549C024-060 (cont) * 5. 25% T wo-Position Damper: a. T wo-position damper package shall include single blade damper and motor . Admits up to 25% outdoor air . b. Damper shall close up on ind oor fan shutoff. * 6. Head Pressure Control Package: Control package shall consist of solid -state control and cond ...

  • Bryant 549C - page 139

    139 GUIDE SPECIFICA TIONS — 549B036-120, 549C02 4-060 (cont) 23. Indoor Air Quality (CO 2 ) Room Sensor (EconoMi$erIV): Sensor shall have the abilit y to provide demand ve n- tilation control through the EconoMi$erIV . The IAQ sensor shall be wall mou nted with an LED disp lay in parts per million. The set point shall have a djustment capability ...

  • Bryant 549C - page 140

    140 PHYSICAL DA T A — 542J150,180 LEGEND *Weight of 14 in. roof curb. UNIT SIZE 542J 150 180 203/230 V , 460 V 575 V NOMINAL CAP AC ITY (tons) 12.5 15 OPERA TING WT (lb) Unit 1615 1925 EconoMi$erIV 90 90 EconoMi$er2 85 85 Roof Curb* 200 200 COMPRESSOR Semi-Hermetic Model Number (Quantity) 06D-328 (1) 06D-818 (2) Cylinders 64 Capacity S taging (%) ...

  • Bryant 549C - page 141

    141 BASE UNIT DIMENS IONS *Units with alu minum indo or and outdoor coil fins. UNIT 542J MAXIMUM SHIPPING WEIGHT* lb kg 150 1895 860 180 2205 1000 LEGEND UNIT 542J DIMENSIONS XY Ft-in. mm Ft-in. mm 150 3-1 947 3-2 965 180 3-6 1059 3-8 1 105 KO — Knockout NOTES: 1. Dimensions in [ ] are in millimeters. 2. Center of gravity . 3. Direction of airflo ...

  • Bryant 549C - page 142

    142 ACCESSOR Y DIMENSIONS — 542J150,180 PKG NO. REF . CU RB HEIGHT DESCRIPTION CRRFCURB010A00 1 ′ -2 ″ (305) S tandard Curb 14 ″ High CRRFCURB01 1A00 2 ′ -0 ″ (610) S tandard Curb for Units Requiring High Installation CRRFCURB012A00 2 ′ -0 ″ (610) Side Supply and Return Curb for High Installation NOTES: 1. Roof curb accessory is shi ...

  • Bryant 549C - page 143

    143 ACCESSOR Y DIMENSIONS — 542J150,180 (cont) CONVENIENCE OUTLET FIELD POWER K.O. CONTROL POWER K.O. 0’-4 1/2" (1 14) 0’-7 3/16" (487) Horizontal Adapter Inst allation — 542J150,180 NOTE: CRRFCURB013A00 is a fully factory preassembled horizontal adapter and includes an insulated tr ansition duct. The pressure drop through the ada ...

  • Bryant 549C - page 144

    144 ACCESSOR Y DIMENSIONS — 542J150,180 (cont) 2'-1 5/8" 2'-2 1/16" 1'-6 5/16" Non-Fused Disc onnect — 542J150 ,180 Power Exhaust — 542J 150,180 a50-6498 48-1 169 542J ...

  • Bryant 549C - page 145

    145 SELECTION PROCEDURE (WITH 542J180 EXAMPLE) I DETERMINE HEA TING A ND COOLING REQUIRE- MENTS A T DESIGN CONDITIONS: Given: Required Cooling Capacity (TC) . . . . . . . . . 164,000 Btu h Sensible Heat Capacity (SHC). . . . . . . . . . . 120,000 Btuh Required Heating Capacity . . . . . . . . . . . . . 170,000 Btuh Outdoor-Air T emperature (Cooling ...

  • Bryant 549C - page 146

    146 PERFORMANCE DA T A — 542J COOLING CAP ACITIES LEGEND NOTES: 1. Direct interpolation is permissible. Do not extrapolate. 2. The following formu l a s ma y be us ed: t lwb = Wet-bulb temperat ure corresponding to enthalpy of air leaving indo or coil (h lwb ) Where: h ewb = Enthalpy of air enter i ng indo or coil 3. SHC is based on 80 F edb temp ...

  • Bryant 549C - page 147

    147 PERFORMANCE DA T A — 542J (cont) INTEGRA T ED HEA TING CAP ACITIES LEGEND NOTES: 1. Integrat ed heatin g capacity ra tings show n are not adjusted for the effects of the indoor-fan moto r power and hea t. A ded uction has been made f or defrost - ing the outdoo r coils at temperatures below 40 F . 2. Direct interpol ation is permissible. Do n ...

  • Bryant 549C - page 148

    148 PERFORMANCE DA T A — 542J (cont) F AN PERFORMANC E — VERT ICAL DISCHARGE UNITS LEGEND *S tandard drive ran ge is 891 to 1 179 rpm. Alte rnate drive range is 1227 to 1559. Other rpms may require a field-supplied drive. NOTES: 1. Maximum continuous bhp is 4.25 and maximum continuous watts are 3775. Do not adjust motor rpm such that motor maxi ...

  • Bryant 549C - page 149

    149 PERFORMANCE DA T A — 542J (cont) F A N PERFORMANCE — VERTICAL DISCHARGE UNITS (cont) LEGEND *S tandard drive range is 817 to 1038 rpm. Alternate drive range is 1082 to 1303. Other rpms may require a field-supplied drive. NOTES: 1. Maximum continuous bhp is 5.90 and maximum continuous watts are 5180. Do not adjust motor rpm such that motor m ...

  • Bryant 549C - page 150

    150 PERFORMANCE DA T A — 542J (cont) F AN RPM A T MOT OR PULLEY SETTINGS* *Approximate fan rpm shown. †Indicates standard motor and drive package. **Indicates standard motor and alternate drive package. INDOOR-F AN MOTOR PERFORMANCE — ST ANDARD MOTORS LEGEND BHP — Brake Horsepow er *Extensive motor an d electric al testin g on the se units ...

  • Bryant 549C - page 151

    151 PERFORMANCE DA T A — 542J (cont) ACCESSOR Y/FIOP ST A T IC PRESSURE* (in. wg) — 542J150 ,180 LEGEND *Units with electric heat are not designed to operate at these ranges. NOTES: 1. Heater s are rated at 208/240 v , 480 v , and 600 v . 2. Th e static pressure must be added to external static pressure. The sum and the indoor-air section enter ...

  • Bryant 549C - page 152

    152 PERFORMANCE DA T A — 542J (cont) GL YCOL COIL DA T A* — 542J150,180 LEGEND *This accessory glycol coil is intended for use with a MINIMUM of 25% glycol solution. It IS NOT intended for use solely with water due to freeze-up conditions and the resulting water damage to the condi- tioned space. NOTE: Fluid Δ t = 20 F . GL YCOL COIL RA TINGS ...

  • Bryant 549C - page 153

    153 ELECTRICAL DA T A — 542J ELECTRICAL DA T A — 542J150,180 LEGEND *Heater capacity (kW) is based on heater voltage of 208 v , 240 v , 480 v and 600 v . If power distribution volt age to unit varies from rated h eater voltage, heater kW will vary accordingly . †Fuse or HACR circuit breaker . This is the maximum size permissible; smaller fuse ...

  • Bryant 549C - page 154

    154 TYPICAL WIRING SCHEMA TIC — 542J 542J180 460 V Sh own a50-7581 542J ...

  • Bryant 549C - page 155

    155 TYPICAL WIRING SCHEMA TIC — 542J (cont) LEGEND C— Contactor , Compressor CAP — Capacitor CB — Circuit Breaker CH — Crankcase Heater CLO — Compressor Lockout COMP — Compressor Motor DB — Defrost Board DFT — Defrost Th ermostat FL — Freeze Protection Limit Switch FPT — Freeze Protection Thermostat FU — Fuse GND — Ground ...

  • Bryant 549C - page 156

    156 TYPICAL WIRING SCHEMA TIC — 542J (cont) 4 3 5 2 8 6 7 1 10 11 9 12 PINK BLACK BLUE NOTE 1 NOTE 2 RUN 500 OHM RESISTOR 50HJ540573 ACTUA TOR ASSEMBL Y RED WHITE ECONOMISER2 PLUG DIRECT DRIVE ACTUA TOR OA T LEGEND OA T — Outdoor Air T emperature Sensor NOTES: 1. Switch on actuator must be in run po sition for economizer to operate. 2. 50HJ5405 ...

  • Bryant 549C - page 157

    157 TYPICAL PIPING AND WIRING — 542J150,180 LEGEND NOTES: 1. Illustr ation shown is a general guide only and is not in tended to include all details fo r any specific installation. 2. Installation must comply with all applicable co des. 3. A 90- degree elbow must be installed on the supply ductwork below the uni t discharge for units equipped wit ...

  • Bryant 549C - page 158

    158 GUIDE SPECIFICA TIONS — 542J150,180 P ACKAGED ROOFTOP AIR-T O-AIR HEA T PUMP — CONST ANT VOLUME APPLICA TION HV AC GUIDE SPECIFICA TIONS SIZE RANGE: 13 AND 15 TONS, NOMINAL (COOLING) 136,000 TO 172,000 BTUH, NOMINAL (HEA TING) 19 TO 50 kW NOMINAL (ELECTRIC HEA TING) BRY ANT MODEL NUMBER : 542J P ART 1 — GENERAL 1.01 SYSTEM DESCRIPTION Out ...

  • Bryant 549C - page 159

    159 GUIDE SPECIFICA TIONS — 542J150,18 0 (cont) E. Coils: 1. S tandard indoor and outdoor coils shall have copper or aluminum plate fins mechanically bon ded to seamless internally groo ved cop per tubes with all joints brazed. 2. Coils shall be leak tested at 150 psig (1034 kPa) and pressure tested at 450 psig (3103 kPa). 3. Coils: a. Copper-fin ...

  • Bryant 549C - page 160

    160 GUIDE SPECIFICA TIONS — 542J150,18 0 (cont) J. Operating Ch aracteristics: 1. Unit shall be capable of starting and running at 125 F ambient outdoor temperature, meeting maximum load criteria of ARI S t andard 210/240 or 36 0 at + 10% voltage. 2. Compressor with standard co ntrols shall be capable of operation down to 40 F (i n cooling mode) ...

  • Bryant 549C - page 161

    161 GUIDE SPECIFICA TIONS — 542J150,18 0 (cont) 5. Manual Outdoor-Air Damper: Manual damper package shall consist of dampe r , birdscreen, and rainhood which can be preset to admit up to 50% outdoor air for year round ventilation. * 6. 25% T wo-Position Damper: a. T wo-position damper package shall include single blade damper and motor . Admits u ...

  • Bryant 549C - page 162

    162 GUIDE SPECIFICA TIONS — 542J150,18 0 (cont) 24. Glyco l Coil : Coil shall be 2-row copper tube ( 1 / 2 -in. OD) with aluminum plate fins (15 fins/in.) and 1.625 i n. OD copper headers. Input and o utput connections shall be 1.625 in. ODM copper stubs for sweat connec- tion. Coil shall be furni shed with suitable support rails, end plates, and ...

  • Bryant 549C - page 163

    163 CONTROLS SEQUENCE OF OPERA TION — 548F036-120, 549B036 -120, AND 549C024-060 Cooling, Unit s Without Economizer — When thermostat calls for cooling, termi nals G and Y1 are energized. The indoor-fan contactor (IFC), reversing valve solenoid (RVS1 for sizes 024- 072) (RVS1 and R VS2 for sizes 090-120) and compressor co n- tactor are energize ...

  • Bryant 549C - page 164

    164 CONTROLS (cont) Continuous Air Circulat io n — T urn unit power on. Set system control at OFF position. Set f an switch at ON position. Th e indoor-fan contactor is energized through the thermostat switch and the indoor fan runs continuousl y . Cycle-LOC™ Protection — If unit operation is interrupted by an open high-pressure switch, low- ...

  • Bryant 549C - page 165

    165 APPLICA TION DA T A 1. OUTDOOR INST ALLA TION — Units approve d for outdoor installation only . 2. DUCTWORK — Secure vertical discharge ductwork to roof curb. For horizontal discharge applicati ons, either attach ductwork to unit, or use field-supplied flange s attached to the horizontal discharge ope nings and attach all ductwork to flange ...

  • Bryant 549C - page 166

    166 APPLICA TION DA T A (cont) CONDENSER COIL PROTECTION APPLICA TIONS LEGEND *See “Selection Guide: Environ mental Corrosion Protection” Cat alog No. 81 1-217 for more information 15. ECONOMI$ERIV — The EconoMi$erIV factory-inst alled economizer package includes a gear-driven damper system that modulates the return air a nd outdoor air suppl ...

  • Bryant 549C - page 167

    167 APPLICA TION DA T A (cont) IAQ sensors — EconoMi$erIV can be utilized with any IAQ (CO 2 ) sensor that provides a 2 to 10 vdc output. The con- troller will modul ate the outdoor air damper to p rovide venti- lation based on the sensor out put and the IAQ setting of the controller . When used, an IAQ sensor will modulate th e damper from the m ...

  • Bryant 549C - page 168

    168 Outside air enthalpy — EconoMi$ erIV will be enabled based on the outside air enthalpy curves as shown in the EconoMi$erIV Changeover diagram below . The A, B, C, and D curves shown have been in use for many years and have been included as part of the latest ASHRAE 90.1 energy efficiency code. The curves are designed to take into consideratio ...

  • Bryant 549C - page 169

    169 ...

  • Bryant 549C - page 170

    Copyright 2009 Brya nt Heating & Cooling Systems Pr inted in U.S.A. 4/09 Catalog No. PDS548F-36-6 SPECIFICATIONS SUBJEC T TO CHANGE WITHOUT NOTI CE UNIT MUST BE INST ALLED IN A CCORDANCE WITH INSTALLATION INSTRUCTIONS ...

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