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Bedienungsanleitung Bryant 581B

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  • Bryant 581B - page 1

    IMPORT ANT — READ BEFORE INST ALLING 1. Read and become familiar with these installation in- structions before installing this unit (Fig. 1). 2. Be sure the installation conforms to all applicable local and national codes. 3. These instructions contain important information for the proper maintenance and repair of this equipment. Re- tain these i ...

  • Bryant 581B - page 2

    UNIT 581B ST ANDARD UNIT WEIGHT V ARISLIDE™ ECONOMIZER WEIGHT CORNER WEIGHT ‘‘ A’’ CORNER WEIGHT ‘ ‘B’’ CORNER WEIGHT ‘ ‘C’’ CORNER WEIGHT ‘ ‘D’’ Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg 036 530 240 34 15.4 127 57.6 122 55.3 138 62.6 143 64.9 048 540 245 34 15.4 129 58.5 124 56.2 141 64.0 146 66.2 060 560 254 34 15.4 13 ...

  • Bryant 581B - page 3

    INST ALLA TION Unit is shipped in the vertical airflow configuration. See Fig. 1. T o convert to horizontal discharge, remove horizontal duct opening covers. Using the same screws, install covers with insulation-side down (facing outside) on the unit on ver- tical duct openings. Seals around duct openings must be tight. Model 581B meets the Calif ...

  • Bryant 581B - page 4

    Fig. 4 — Roof Curb Dimensions ROOF CURB ACCESSOR Y ‘‘A ’ ’ UNIT SIZE CRRFCURB001A00 14 9 [356] 581B036-072 CRRFCURB002A00 24 9 [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 581B - page 5

    II. UNIT DUCT CONNECTIONS On vertical units, secure all ducts to roof curb and building structure. Do not connect ductwork to unit. On horizontal units, duct flanges should be attached to horizontal openings and all ductwork should be secured to flanges. Insulate and weath- erproof all external ductwork, joints, and roof openings with counter fl ...

  • Bryant 581B - page 6

    T able 1 — Specifications BASE UNIT 581B 036 048 060 072 NOMINAL CAP ACITY (tons) 3 456 OPERA TING WEIGHT (lb) Unit 530 540 560 615 With Economizer 564 574 594 649 Roof Curb 11 5 11 5 11 5 11 5 COMPRESSOR Scroll Quantity 1 111 Oil (oz) 42 53 50 60 REFRIGERANT TYPE R-22 Operating Charge (lb-oz) 5-8 8-6 10.0 9-10 CONDENSER F AN Propeller Quantity ...

  • Bryant 581B - page 7

    IV . FIELD CONNECTIONS A. External T rap Condensate Drain The unit’ s 3 ⁄ 4 -in. condensate drain connections are located at the bottom and side of the unit. Unit discharge connec- tions do not determine the use of drain connections; either drain connection can be used with vertical or horizontal applications. When using the standard side drain ...

  • Bryant 581B - page 8

    T able 2 — Maximum Gas Flow Capacity of Pipe in Cubic Ft of Gas Per Hour for Gas Pressures of 0.5 Psig or Less and a Pressure Drop of 0.5 in. wg (Based on a 0.60 Specific Gravity Gas) NOMINAL IRON PIPE SIZE (in.) INTERNAL DIAMETER (in.) LENGTH OF PIPE, FT* 10 20 30 40 50 60 70 80 90 100 125 150 175 200 1 ⁄ 2 .622 175 120 97 82 73 66 61 57 53 5 ...

  • Bryant 581B - page 9

    Liquid Propane Units are shipped for use with natural gas, but may be field- converted for use with liquid propane with accessory LP (liq- uid propane) kit. All LP gas equipment must conform to NFP A safety standards. LP gas pressure at the unit must not be less than 5 in. wg or greater than 13 in. wg under full load. Maintaining proper gas pressu ...

  • Bryant 581B - page 10

    3. V oltage to compressor terminals during operation must be within voltage range indicated on unit nameplate (also see T ables 3A and 3B). On 3-phase units, voltages be- tween phases must be balanced within 2% and the cur- rent within 10%. Use the formula shown in T ables 3A and 3B, Note 2, to determine the percent voltage im- balance. Operation o ...

  • Bryant 581B - page 11

    High-V oltage Connections (Fig. 13) The unit must have a separate electrical service with a field- supplied, waterproof, fused disconnect switch mounted at, or within sight from the unit. Refer to the unit rating plate for maximum fuse/circuit breaker size and minimum circuit amps (ampacity) for wire sizing. The field-supplied disconnect switch b ...

  • Bryant 581B - page 12

    T able 3B — Electrical Data (Units with Electrical Convenience Outlet) UNIT 581B NOMINAL VOL T AGE (V -Ph-Hz) VOL T AGE RANGE COMPRESSOR OFM IFM COMBUSTION F AN MOTOR POWER SUPPL Y WITH OUTLET MINIMUM UNIT DISCONNECT SIZE* Min Max RLA LRA FLA FLA FLA MCA MOCP† FLA LRA 036 (3 T ons) 208/230-1-60 187 254 16.0 88.0 0.7 4.9 .57 31.6/31.66 40/40 30/ ...

  • Bryant 581B - page 13

    Heat Anticipator Setting The room thermostat heat anticipator must be properly ad- justed to ensure proper heating performance. Set the heat anticipator , using an ammeter to determine the exact re- quired setting. NOTE: For thermostat selection purposes, use .14 amp for the approximate required setting. Set heat anticipator stage 1 and 2 at .14 am ...

  • Bryant 581B - page 14

    8. Remove tape from outdoor-air thermostat (OA T). Fas- ten OA T to inside of hood using screws and speed clips provided. See Fig. 23. Make sure OA T terminals are positioned up. 9. Replace outdoor-air opening panel using screws from Step 2. Replace filter access panel. Ensure the filter access panel slides along the tracks and is securely engage ...

  • Bryant 581B - page 15

    Save panels and screws. Remove optional economizer so the outdoor-air damper hood package can be re- moved from the filter section. See Fig. 16. 3. Assembly outdoor-air hood top and side plates as shown in Fig. 17. Install seal strips on hoop top and sides. Put aside screen retainer and retainer screw for later assembly . Do not attach hood to uni ...

  • Bryant 581B - page 16

    d. After installation is complete, calculate the mini- mum airflow across the economizer . T o calculate the minimum airflow , the following data is needed: total cfm (cfm 3 ), temperature of the total cfm (T 3 ), temperature of the return air (T 2 ), and tempera- ture of the entering outside air (T 1 ). Cfm 1 is the outside air cfm, which will b ...

  • Bryant 581B - page 17

    PRE-ST ART -UP W ARNING: Failure to observe the following warn- ings could result in serious personal injury: 1. Follow recognized safety practices and wear pro- tective goggles when checking or servicing refrig- erant system. 2. Do not operate compressor or provide any electric power to unit unless compressor terminal cover is in place and secured ...

  • Bryant 581B - page 18

    II. HEA TING SECTION ST ART -UP AND ADJUSTMENTS CAUTION: Complete the required procedures given in the Pre-Start-Up section on this page before starting unit. Do not jumper any safety devices when operating the unit. Ensure that burner orifices are properly aligned. Unstable operation may occur when the burner orifices in the mani- fold are misal ...

  • Bryant 581B - page 19

    T able 5 — Rated Gas Inputs at Indicated Manifold Pressures UNIT 581B NUMBER OF ORIFICES GAS SUPPL Y PRESSURE (in. wg) MANIFOLD PRESSURE (in. wg) NA TURAL GAS PROP ANE* Natural Propane Orifice Drill Size Heating Input (Btuh)† Orifice Drill Size Heating Input (Btuh)† Min Max Min Max Natural Propane 036-072** 2 4.0 13.6 5.0 13.0 3.5 3.5 33 72 ...

  • Bryant 581B - page 20

    NOTE: The gas manifold is equipped with a plug located ap- proximately 5 in. down from the gas valve which may also be used to connect the manometer . 4. T urn on gas to unit. 5. Remove cover screw over regulator adjustment screw on gas valve. See Fig. 31. 6. Adjust regulator adjustment screw for a manifold pres- sure reading of 3.5 in. wg (high ? ...

  • Bryant 581B - page 21

    event of flame rollout. The switch is located above the main burners on the internal wind baf f le. When the temperature at the rollout switch exceeds the maximum allowable tem- perature, the W control circuit trips, deenergizing the gas valve and stopping gas flow to the burners. The inducer motor is energized when the rollout switch trips. Alth ...

  • Bryant 581B - page 22

    When the second stage of cooling is satisfied, the compressor and OFM will be deenergized. The damper position will be determined by the supply-air temperature. When the first stage of cooling is satisfied, there is a 30-second delay before evaporator shuts of f (036-060). The damper will move to fully closed position. Cooling, Units with P ARAB ...

  • Bryant 581B - page 23

    B. V entilation Sequence If unit is equipped with an economizer , the damper will open to the minimum position whenever the evaporator fan runs. The damper motor will be energized with 24 vac power and damper will drive open until SW3 on the damper is de- activated. The damper motor will stop and damper will remain in the minimum ventilation positi ...

  • Bryant 581B - page 24

    T able 9 — 581B036 Air Delivery — V ertical Discharge Units AIRFLOW (Cfm) BEL T DRIVE MOTOR External Static Pressure (in. wg) 0.1 0.2 0.3 0.4 0.5 0.6 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 900 581 0.12 673 0.18 736 0.22 805 0.25 865 0.29 91 1 0.34 1000 644 0.19 709 0.22 782 0.28 835 0.30 900 0.35 937 0.38 1 100 687 0.22 746 0.26 806 0. ...

  • Bryant 581B - page 25

    T able 1 1 — 581B060 Air Delivery — V ertical Discharge Units AIRFLOW (Cfm) BEL T DRIVE MOTOR External Static Pressure (in. wg) 0.1 0.2 0.4 0.6 0.8 1.0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 1500 771 0.37 828 0.44 935 0.58 1027 0.73 1 107 0.88 1 185 1.04 1600 816 0.45 869 0.51 968 0.66 1056 0.81 1 127 0.97 1215 1.14 1700 902 0.61 940 0 ...

  • Bryant 581B - page 26

    T able 13 — 581B036 Air Delivery — Horizontal Discharge Units AIRFLOW (Cfm) BEL T DRIVE MOTOR External Static Pressure (in. wg) 0.1 0.2 0.3 0.4 0.5 0.6 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 900 526 0.06 584 0.08 656 0.12 734 0.22 818 0.25 875 0.27 1000 570 0.09 627 0.13 738 0.19 800 0.26 848 0.29 895 0.31 1 100 614 0.13 670 0.16 758 0 ...

  • Bryant 581B - page 27

    T able 15 — 581B060 Air Delivery — Horizontal Discharge Units AIRFLOW (Cfm) BEL T DRIVE MOTOR External Static Pressure (in. wg) 0.1 0.2 0.4 0.6 0.8 1.0 Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp 1500 741 0.38 798 0.43 895 0.54 990 0.67 1073 0.80 1 154 0.95 1600 783 0.45 838 0.51 933 0.63 1016 0.75 1 102 0.90 1 182 1.04 1700 825 0.53 878 0. ...

  • Bryant 581B - page 28

    CARE AND MAINTENANMCE T o ensure continuing high performance and to minimize the possibility of premature equipment failure, periodic mainte- nance must be performed on this equipment. This combina- tion heating/cooling unit should be inspected at least once each year by a qualified service person. NOTE TO EQUIPMENT OWNER: Consult your local deale ...

  • Bryant 581B - page 29

    D. Filters Clean or replace at start of each heating and cooling season, or more often if operating conditions require it. Replacement filters must be same dimensions as original filters. E. Outdoor-Air Inlet Screens Clean screens with steam or hot water and a mild detergent. Do not use disposable filters in place of screens. II. LUBRICA TION A. ...

  • Bryant 581B - page 30

    B. Low Charge Cooling Using Cooling Charging Charts, Fig. 39-42, vary refrigerant until the conditions of the appropriate chart are met. Note the charging charts are dif ferent from type normally used. Charts are based on charging the units to the correct super- heat for the various operating conditions. Accurate pressure gage and temperature-sensi ...

  • Bryant 581B - page 31

    4. Slide the motor and blower wheel assembly out of the blower housing. The blower wheel can be cleaned at this point. If additional cleaning is required, continue with steps 5 and 6. 5. T o remove blower from the motor shaft, remove 2 setscrews. 6. T o remove motor , remove 4 screws that hold the motor to mounting plate. Remove the motor cooling f ...

  • Bryant 581B - page 32

    A. Removal and Replacement of Gas T rain (See Fig. 31 and 43.) 1. Shut off manual gas valve. 2. Shut off power to unit. 3. Remove compressor access panel. 4. Slide out burner compartment side panel. 5. Remove heat shield. 6. Disconnect gas piping at unit gas valve. 7. Remove wires connected to gas valve. Mark each wire. 8. Remove induced-draft moto ...

  • Bryant 581B - page 33

    TROUBLESHOOTING T able 18 — LED Error Code Service Analysis PROBLEM CAUSE REMEDY Hardware failure. (LED Off) Loss of power to IGC. Check 5-amp fuse on IGC, power to unit, 24-v circuit breaker , and transformer . Units without a 24-v circuit breaker have an internal over- load in the 24-v transformer . If the overload trips, allow 10 minutes for a ...

  • Bryant 581B - page 34

    T able 20 — Cooling Service Analysis PROBLEM CAUSE REMEDY Compressor and condenser fan will not start. Power failure. Call power company . Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker . Defective thermostat, contactor , transformer, control relay or capacitor . Replace component. Insuff icient line voltage. Determi ...

  • Bryant 581B - page 35

    T able 21 — V arislide™ Economizer T roubleshooting PROBLEM CAUSE REMEDY Damper does not open. Indoor (evaporator) fan is off. 1. Check to ensure that 24 vac is present at terminal C1 on the IFC or that 24 vac is present at the IFO terminal. Check whether 24 vac is present at PL6-1 (red wire) and/or PL6-3 (black wire). If 24 vac is not present, ...

  • Bryant 581B - page 36

    T able 22 — P ARABLADE Economizer T roubleshooting PROBLEM CAUSE REMEDY Damper does not open. Evaporator fan not on. Check wiring between G on connection board and indoor fan contactor . No power to economizer motor . 1. Disconnect power at TR and TR1. Disconnect jumper across P and P1. 2. Connect jumper across TR and 1. 3. Connect jumper across ...

  • Bryant 581B - page 37

    Fig. 45 — T ypical Wiring Schematic and Component Arrangement —37— ...

  • Bryant 581B - page 38

    LEGEND AND NOTES FOR FIG. 45 — TYPICAL CONTROL WIRING SCHEMA TIC AND COMPONENT ARRANGEMENT AHA — Adjustable Heat Anticipator C— Contactor , Compressor CAP — Capacitor CC — Cooling Compensator CLO — Compressor Lockout COMP — Compressor Motor D— Diode EC — Enthalpy Control ECON — Economizer EPS — Emergency Power Supply (9-V Batt ...

  • Bryant 581B - page 39

    ...

  • Bryant 581B - page 40

    ST ART -UP CHECKLIST (Remove and Store in Job File) I. PRELIMINARY INFORMA TION MODEL NO.: DA TE: SERIAL NO.: TECHNICIAN: II. PRE-ST ART -UP (insert checkmark in box as each item is completed) M VERIFY THA T ALL P ACKING MA TERIALS HA VE BEEN REMOVED FROM UNIT M REMOVE ALL SHIPPING HOLDDOWN BOL TS AND BRACKETS PER INST ALLA TION INSTRUCTIONS M VERI ...

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