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Carrier COBRA 48/50HJ004-014の取扱説明書

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  • Carrier COBRA 48/50HJ004-014 - page 1

    Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificat ions or des igns without notice an d withou t inc urring obligations. PC 111 Catalo g No. 534-80122 Printe d in U.S.A. F or m 48/5 0HJ,62AQ-2SIS Pg 1 9 -02 Replace s: 48/50H J,62A Q-1SIS B o o k 1144 T a b 1 a1 b6 a6 b Installation, Star t-Up , and Ser vice Su ...

  • Carrier COBRA 48/50HJ004-014 - page 2

    2 INST ALLA TION Step 1 — Inspect Shipment — File a c laim w ith the shipping com pany if shipment is incomplete or damaged. See Fig. 1 for a typica l shipping pac kaging for a COBRA™ ene rgy recovery u nit. Step 2 — Pro vide Unit Suppor t R O O F CU RB — The COBRA energy recove ry unit can use a full-peri meter roof curb or a stand ard r ...

  • Carrier COBRA 48/50HJ004-014 - page 3

    3 If electric control pow er or gas service is to be rout ed through the basepan, a field-installed accessory thru-the- bottom connection must be used. Attach the accessory to the basepan per the information in the accessory installation instructions. Thru-the-bottom connections must be installed before unit is set on roof. If the combined unit roo ...

  • Carrier COBRA 48/50HJ004-014 - page 4

    4 TO ENSURE AIRTIGHT CONNECTION. PLACE UNIT AS CLOSE T O THIS END AS POSSIBLE TO ENSURE AIRTIGHT CONNECTION. PLACE UNIT AS CLOSE T O THIS END AS POSSIBLE NO TES: 1. Roof curb a ccessor y is ship ped dis assembled. 2. Insulate d panel s. 3. Dimensions in [ ] are in millimeters. 4. Roof cur b: galvanized s teel. 5. Attach du ctwork to cu rb (flange s ...

  • Carrier COBRA 48/50HJ004-014 - page 5

    5 Fig. 3B — Roof Curb Det ails (48/5 0HJ008-01 4 Section Only) TO ENSURE AN AIRTIGHT CONNECTION, PLACE UNIT ON CURB AS CLOSE T O DUCT END AS POSSIBLE. TO ENSURE AN AIRTIGHT CONNECTION, PLACE UNIT ON CURB AS CLOSE T O DUCT END AS POSSIBLE. NO TES: 1. Roof cur b access ory is shipped disassembled. 2. Insul ated pan els: 1 -in. thi ck polyuretha ne ...

  • Carrier COBRA 48/50HJ004-014 - page 6

    6 Step 4 — Rig and Pla ce Unit — Keep unit upright and do not drop. Spreader bars are not required if top crating is left on unit. Rollers may be used to move unit ac ross a roof. Remove the bottom wooden skids that are under the unit by removing the wooden pl ates that hold the bottom wooden frame to the unit. Level by using unit frame as a re ...

  • Carrier COBRA 48/50HJ004-014 - page 7

    7 RIGHT SIDE REAR RIGHT SIDE FRONT LEFT SIDE FRONT LEFT SIDE Fig. 5A — Base Unit Di mensions — COBRA ™ En ergy Re covery U nit — 48 /50HJ004-0 07 with 6 2AQ060,10 0 ...

  • Carrier COBRA 48/50HJ004-014 - page 8

    8 Fig. 5A — Base Unit Dime nsions — COBRA ™ Ener gy Reco very Unit — 48/5 0HJ004-00 7 with 62AQ060, 100 (co nt) ...

  • Carrier COBRA 48/50HJ004-014 - page 9

    9 Fig. 5B — Base Unit Di mensions — COBRA ™ Energ y Recover y Unit — 48 /50HJ008 -014 with 6 2AQ200 ,300 ...

  • Carrier COBRA 48/50HJ004-014 - page 10

    10 Fig. 5B — Base Unit Dime nsions — COBRA ™ Ener gy Reco very Unit — 48/5 0HJ008-01 4 with 62AQ200, 300 (co nt) ...

  • Carrier COBRA 48/50HJ004-014 - page 11

    11 Step 5 — Install Flue Hood (48HJ Rooftop Sec- tion s O nly) — Refer to the 48HJ installatio n instruction s for information on i nstalling the flue h ood. Step 6 — Install Gas Piping (48HJ R ooftop Sec- tions Only) — Refer to th e 48HJ installatio n instruct ions f or information on instal ling the ga s piping . Step 7 — Install Ext er ...

  • Carrier COBRA 48/50HJ004-014 - page 12

    12 If the 208/230-v unit is to be connected to a 208-v power sup- ply , the transformer must be r ewir ed by moving the black wir e with the 1 / 4 -in. female space connect or fr om the 230-volt con- nection and moving to the 200-volt 1 / 4 -in. male terminal on the primary side of the transformer . Refer to unit label diagram for additional inform ...

  • Carrier COBRA 48/50HJ004-014 - page 13

    13 NOTE: For w ire runs up 50 ft , use no. 18 A WG (American W ire Gage) insulat ed wire (35 C minimum ). For 50 t o 75 ft, use no. 16 A WG i nsulated wire (35 C minim um). For ov er 75 ft, use no. 14 A WG insulated wire (35 C minimum). A ll wire lar ger th an no. 18 A WG canno t be direc tly c onnecte d t o the t h e rmostat an d will require a ju ...

  • Carrier COBRA 48/50HJ004-014 - page 14

    14 Table 1B — Electrica l Data (C OBRA ™ E nergy Reco very 50H J004- 007 Unit s with 62A Q060) UNIT NOMINAL V- P H - H z IFM TYPE CONV OUTLET 62A Q FLA HEA TER CRHEA TER ---A00 HEA T PO WER SUPPL Y SINGLE POINT BO X CRSINGLE ---A00 DISCONNECT SIZE* FLA MCA FUSE OR HA CR BKR MOCP FLA LRA 50HJ004 208/230-1-60 STD NO 9.2 NONE — / — 34.8/ 34.8 ...

  • Carrier COBRA 48/50HJ004-014 - page 15

    15 Table 1B — Elec trical Data ( COBRA ™ E nergy R ecovery 50HJ004 -007 Uni ts with 62AQ 060) ( cont) LEGEND *Used to determine minimum disconnect per NEC. † Single point box CRSINGLE017A00 is part of base unit. NO TES: 1. In compliance with NEC requirements for multimotor and combination load equipment (refer to NEC Articles 430 and 440), th ...

  • Carrier COBRA 48/50HJ004-014 - page 16

    16 Table 1B — Elec trical Data ( COBRA ™ E nergy R ecovery 50HJ004 -007 Uni ts with 62AQ 060) ( cont) LEGEND *Used to determine minimum disconnect per NEC. † Single point box CRSINGLE017A00 is part of base unit. NO TES: 1. In compliance with NEC requirements for multimotor and combination load equipment (refer to NEC Articles 430 and 440), th ...

  • Carrier COBRA 48/50HJ004-014 - page 17

    17 Table 1C — Electrica l Data (C OBRA ™ E nergy Reco very 48H J004- 007 Unit s with 62A Q100) LEGEND *Used to determine minimum disconnect per NEC. † Single point bo x CRSINGLE017A00 is par t of base unit. NO TES: 1. In compliance with NEC requirem ents f or multimotor and combi- nation load equipment (ref er to NEC Ar t icles 430 and 440), ...

  • Carrier COBRA 48/50HJ004-014 - page 18

    18 Table 1D — Electrica l Data (C OBRA ™ E nergy Reco very 50H J004- 007 Unit s with 62A Q100) UNIT NOMINAL V- P H - H z IFM TYPE CONV OUTLET 62A Q FLA HEA TER CRHEA TER ---A00 HEA T PO WER SUPPL Y SINGLE POINT BO X CRSINGLE ---A00 DISCONNECT SIZE* FLA MCA FUSE OR HA CR BKR MOCP FLA LRA 50HJ004 208/230-1-60 STD NO 15.1 NONE — / — 40.7/ 40.7 ...

  • Carrier COBRA 48/50HJ004-014 - page 19

    19 Table 1D — Elec trical Data ( COBRA ™ E nergy R ecovery 50HJ004 -007 Uni ts with 62AQ 100) ( cont) LEGEND *Used to determine minimum disconnect per NEC. † Single point box CRSINGLE017A00 is part of base unit. NO TES: 1. In compliance with NEC requirements for multimotor and combination load equipment (refer to NEC Articles 430 and 440), th ...

  • Carrier COBRA 48/50HJ004-014 - page 20

    20 Table 1D — Elec trical Data ( COBRA ™ E nergy R ecovery 50HJ004 -007 Uni ts with 62AQ 100) ( cont) LEGEND *Used to determine minimum disconnect per NEC. † Single point box CRSINGLE017A00 is part of base unit. NO TES: 1. In compliance with NEC requirements for multimotor and combination load equipment (refer to NEC Articles 430 and 440), th ...

  • Carrier COBRA 48/50HJ004-014 - page 21

    21 Table 1E — Electr ical Data (CO BRA ™ Energ y Recove ry 48HJ 008-014 U nits w ith 62AQ20 0) LEGEND *Used to determine minimum disconnect per NEC. † Single point bo x CRSINGLE017A00 is par t of base unit. NO TES: 1. In compliance with NEC requirem ents f or multimotor and combi- nation load equipment (ref er to NEC Ar t icles 430 and 440), ...

  • Carrier COBRA 48/50HJ004-014 - page 22

    22 Table 1F — Electric al Dat a (COBRA ™ Energy Re covery 5 0HJ008-01 4 Units w ith 62AQ 200) UNIT NOMINAL V- P H - H z IFM TYPE CONV OUTLET 62AQ FLA HEA TER CRHEA TER ---A00 HEA T POWER SUPPL Y SINGLE POINT BO X CRSINGLE ---A00 DISCONNECT SIZE* FLA MCA FUSE OR HA CR BKR MOCP FLA LRA 50HJ008 208/230-3-60 STD NO 21.9 NONE — / — 60.1/ 60.1 70 ...

  • Carrier COBRA 48/50HJ004-014 - page 23

    23 Table 1F — Elect rical Data ( COBRA ™ Ener gy Reco very 50HJ00 8-014 Units with 62AQ200) ( cont) LEGEND *Used to determine m inimum disco nnect per NE C . † Single poi nt bo x CRSINGLE01 7A00 is part of base unit. NO TES: 1. In complian ce with NEC r equirements f or m ultimotor and combinat ion load e quipment (ref er to NEC Articles 430 ...

  • Carrier COBRA 48/50HJ004-014 - page 24

    24 Table 1G — Electrical Data (CO BRA ™ E nergy Recove ry 48HJ 008-014 Units w ith 62AQ3 00) LEGEND *Used to determine minimum disconnect per NEC. † Single point bo x CRSINGLE017A00 is par t of base unit. NO TES: 1. In compliance with NEC requirem ents f or multimotor and combi- nation load equipment (ref er to NEC Ar ti cles 430 and 440), th ...

  • Carrier COBRA 48/50HJ004-014 - page 25

    25 Table 1H — Electrica l Data (C OBRA ™ E nergy Reco very 50H J008- 014 Unit s with 62A Q300) UNIT NOMINAL V- P H - H z IFM TYPE CONV OUTLET 62AQ FLA HEA TER CRHEA TER ---A00 HEA T POWER SUPPL Y SINGLE POINT BO X CRSINGLE ---A00 DISCONNECT SIZE* FLA MCA FUSE OR HA CR BKR MOCP FLA LRA 50HJ008 208/230-3-60 STD NO 29.8 NONE — / — 68.0/ 68.0 8 ...

  • Carrier COBRA 48/50HJ004-014 - page 26

    26 Table 1H — Elec trical Data ( COBRA ™ E nergy R ecovery 50HJ008 -014 Uni ts with 62AQ 300) ( cont) LEGEND *Used to determine m inimum disco nnect per NE C . † Single poi nt bo x CRSINGLE01 7A00 is part of base unit. NO TES: 1. In complian ce with NEC r equirements f or m ultimotor and combinat ion load e quipment (ref er to NEC Articles 43 ...

  • Carrier COBRA 48/50HJ004-014 - page 27

    27 LEGEND Fig. 7 — Power Wiring Connections C — Contactor COMP — Compressor IFC — Indoor-F an Contac tor NEC — National Electrical Code TB — T erminal Block 208/230-1-60 208/230-3-60 460-3-60 (SIZE 007 ONL Y) 575-3-60 (SIZE 007 O NL Y) 208/230-3-60 575-3-60, 460-3-60 (SIZES 004-006) 208/230-3-60 AND 460-3-60 (SIZES 008-014) 575-3-60 (SI ...

  • Carrier COBRA 48/50HJ004-014 - page 28

    28 Step 9 — Assemble a nd Mount Suppl y-Air Hood — The hood kit supplied with the ener gy recovery section is ne eded to complete this ins tallation. Se e Fig. 11. The energy recovery section supply air hood inst alls around its motor ized d amper inlet. 1. Assemble and mount supply air hood as shown in Fig. 1 1. 2. Discard the tape that holds ...

  • Carrier COBRA 48/50HJ004-014 - page 29

    29 Step 11 — Set the Outdoor Coolin g and Heat- ing Thermostat s CO O LI NG — During the unoccupied period, the ec onomizer mode of operation i s used as the fir st stage of cooling. When the outside air temperature is below th e cooling thermostat set point, the outside air will be used for first stage cooling. HE A T IN G — The heating ther ...

  • Carrier COBRA 48/50HJ004-014 - page 30

    30 LIGHT COMMERCIAL THERMIDIST A T A CCESSOR Y General — A Light Commerci al Therm idistat Acces sory (part number TST A T CCPLH01-B) or PremierLink™ control- ler with humidistat is required for each unit for field installation to control the energy recovery section. See Fig. 13. The Light Commercial Thermidistat is a 7-day programma - ble, wal ...

  • Carrier COBRA 48/50HJ004-014 - page 31

    31 Step 3 — Install Light Commer cial Thermidist at 1. T urn of f all power to equipment. T a g disconnect. 2. If an existing thermostat is being replaced: a. Remove existing thermost at from wall. b. Disconnect wires from exis ting thermostat, one at a time. c. As each wire is disconnected, r ecord wire color and terminal marking. d. New or addi ...

  • Carrier COBRA 48/50HJ004-014 - page 32

    32 Option 2 — Clean Filter Timer — Select hours of blower operation (heating, cool ing, or fan) before CL EAN FIL TER icon is displayed. W ith OFF s elected, icon will never come on, disabling this feature. T ime selection can range from 400 to 3600 blower operation hours by selecting numbers 1 through 9. (T ime is 400 times numbe r selected.) ...

  • Carrier COBRA 48/50HJ004-014 - page 33

    33 2 is selected, 72 F actual will read 74 F . If set point is 72 F , t h e room will control to an actual temperature of 70 F which will be displayed and acted upon a s if it were 72 F . The effect is that a positive number selection will make the room temperature lower and vice versa. The Light Commercial Thermidistat is calibrated within an a cc ...

  • Carrier COBRA 48/50HJ004-014 - page 34

    34 Step 6 — Make Final Settings — Be sure to return DIP switch no. 4 back to OFF position to exit Installer T est mode. Assuming the system i s to be left in operation after installation is complete, use MODE button to select betwe en HEA T , COOL , or AUTO to provide desired operation of heat- ing, cooling, or both. The default set points and ...

  • Carrier COBRA 48/50HJ004-014 - page 35

    35 PRE-ST ART -UP Refer to 48/50HJ Installation Instructions for Pre-Start-Up information for the rooftop unit section. Proceed as follows to inspec t an d prepar e the unit for i nitial sta rt-up: 1. Remove filter access pa nel, blower ac cess panel, and con- trol panel access cover on t he energy recovery section. 2. Read and follow instructions ...

  • Carrier COBRA 48/50HJ004-014 - page 36

    36 ROOM AIR SUPPL Y AIR MIXED AIR CONDENSER COMPRESSOR EV APORA TOR EV APORA TOR ROOFTOP UNIT ROOF LINE OUTSIDE AIR EXHAUST AIR ENERGY RECOVER Y SECTION Fig. 17 — Unit Operation Flow Diagram Fig. 18 — Fus e Box (4 8HJ012, 014 — 208/23 0-3-60 Units On ly) ...

  • Carrier COBRA 48/50HJ004-014 - page 37

    37 Tab le 2 — Light Commercial Thermidistat (LCT) Operating Sequence and System Response LEGEND *Unless unit com pressor has been rewired as described in Step 11 ( page 29). UNOCCUPIED COOLING ER Comp ER Fans RT Comp 1 R T Comp 2 R T F ans RT Heat Indoor T em perature Above 2nd Stage Set P oint Humidity Low & O A T Lo w On On (cyc.) On w/o MM ...

  • Carrier COBRA 48/50HJ004-014 - page 38

    38 TROUBLESHOO TING Use T ables 3 and 4, and Fig. 19 and 20 when troubleshooting this unit. C — Contactor CAP — Capac itor CER — Compressor Energy Recove ry section CH — Crankcas e Heater CLO — Compres sor Lockout COC — Cool Ch angeover Relay COH — Heat C hangeover Rel ay COMP — Co mpress or Motor CR — Cooling Relay CTD — Compre ...

  • Carrier COBRA 48/50HJ004-014 - page 39

    39 Fig. 19 — Typical Wiring Schematic (Standard Controls) (cont) ...

  • Carrier COBRA 48/50HJ004-014 - page 40

    40 TB - 1 R Y1 Y2 W1 W2 G C X 1 2 3 4 5 6 7 8 TB - 3 1 2 3 4 5 6 7 8 TB - 2 1 2 3 4 5 6 7 8 J6 ANAL OG J5 0 - 20 mA IN J4 DISCRETE J1 PWR J2 COMMS J9 0-20 mA J8 Relays HK50AA0 39 BRN BRN WHT WHT RED PNK PNK ORN ORN ORN ORN GRA GRA ORN RED J7 PP/MP RED BLK PNK WHT BLU ORN YEL GRN BRN BRN RED BRN BRN BLK BLK BRN BRN BLU BLU 1 2 3 4 5 6 7 8 9 10 11 12 ...

  • Carrier COBRA 48/50HJ004-014 - page 41

    41 Tab le 3 — Heating and Cooling Troubleshooting LEGEND *Energy recov ery section uses TXVs with a 100 psig maximum operating pressure (MOP) feature to limit suction pressure in Cooling mode at high temperatures. Alw ays consult charging chart for correct operating pressures. Table 4 — Supply-Air Damper Troubleshooting LEGEND OCR — Occupied ...

  • Carrier COBRA 48/50HJ004-014 - page 42

    Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificati ons or des igns without notice an d wit hout inc urring obligations. PC 111 Catalog No. 534-80122 Prin ted in U.S.A. Form 48/50 HJ,62AQ-2SIS Pg 42 9-02 Re places : 48/50H J,62A Q-1SIS Copyright 20 02 Car rier Cor po ration B o o k 1144 T a b 1 a1 b6 a6 b ...

  • Carrier COBRA 48/50HJ004-014 - page 43

    CL-1 ROOFT OP UNIT (R TU) AND ENERGY RECO VER Y SECTION (62A Q) ST ART -UP CHECKLIST (Remove and Store i n Job File) I. PRELIMINAR Y INFORMA TION R TU 62A Q II. PRE-ST ART -UP (insert c hec kmark in bo x as eac h item is completed) VERIFY THA T CONDE NSA TE CONN ECTION IS INS T A LLED PER INS T ALLA TION IN STRUCTIONS CHECK ALL EL ECTRICAL CONN ECT ...

  • Carrier COBRA 48/50HJ004-014 - page 44

    Manufactu rer reser ves the rig ht to dis continue , or chan ge at a ny time, spec ificati ons or des igns without notice an d wit hout inc urring obligations. PC 111 C atalog No. 534-80 122 Prin ted in U .S.A. Form 48 /50HJ,62AQ-2SIS Pg CL -2 9-02 Replace s: 48/5 0HJ,62AQ-1SIS Copyright 20 02 Car rier Cor po ration - - - - - - - - - - - - - - - - ...

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