Bryant 575J Installation, Start-Up And Service Instructions Manual
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Bryant 575J Installation, Start-Up And Service Instructions Manual

Bryant 575J Installation, Start-Up And Service Instructions Manual

Heat pump condensing units, 60 hz with puronr (r--410a) refrigerant
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575J
HEAT PUMP CONDENSING UNITS, 60 Hz
R
WITH PURON
(R- - 410A) REFRIGERANT
SIZES 07, 08 and 12
CONTENTS
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Installation, Start- -Up
and Service Instructions
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APPENDIX A
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APPENDIX C
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Summary of Contents for Bryant 575J

  • Page 1: Table Of Contents

    ......575J Units ........

  • Page 2: Safety Considerations

    CAUTION CUT HAZARD Failure to follow this caution may result in personal injury. Sheet metal parts may have sharp edges or burrs. Use care and wear appropriate protective clothing, safety glasses and gloves when handling parts and servicing 575J units.

  • Page 3: Installation Guidelines

    Refer to Step 5 monitor the pressure drop across suction-line filter for a discussion on selecting pipe sizes for these 575J heat drier. Repeat filter changes is necessary. Never leave pumps; refer to Table 2 for recommended pipe sizes.
  • Page 4 Corner Corner Center of Gravity Unit Height Weight UNIT lbs. lbs. lbs. lbs. lbs. 42-3/8 575J*07 [584] [660] [330] [1076] 42-3/8 575J*08 [508] [610] [330] [1076] 50-3/8 575J*12 [533] [610] [584] [1280] C150347 Fig. 1 - - 575J*07-12 Unit Dimensions...
  • Page 5 Table 1A — Physical Data — 575J*07-12 Units — 60 Hz English UNIT 575J*07A/B 575J*07G/H 575J*08A/B 575J*12A/B 575J*12G/H NOMINAL CAPACITY (tons) OPERATING WEIGHTS (lb) Aluminum-Fin Coils ‡ REFRIGERANT TYPE R-410A R-410A R-410A R-410A † Operating Charge (w/ fan coil), Typical (lb) 18.0...
  • Page 6 Table 1B — Physical Data — 575J*07-12 Units — 60 Hz SI UNIT 575J*07A/B 575J*07G/H 575J*08A/B 575J*12A/B 575J*12G/H NOMINAL CAPACITY (kW) 21.1 21.1 26.4 35.1 35.1 OPERATING WEIGHT (kg) Aluminum-Fin Coils ‡ REFRIGERANT TYPE R-410A R-410A R-410A R-410A R-410A †...

  • Page 7: Installation

    10 11 12 13 14 15 16 17 Example 5 7 5 J E 1 2 A 0 0 0 A 0 0 A 0 A Packaging Model Type 575J = Bryant Heat Pump A = Standard Condensing Unit B = LTL Puron ®...

  • Page 8: Step 2 - Complete Pre-Installation Checks

    Do not install the outdoor unit in an area where fresh air S Locate the unit so that the outdoor coil (condenser) supply to the outdoor coil may be restricted or when airflow is unrestricted on all sides and above. recirculation from the condenser fan discharge is possible.
  • Page 9 Charge Quantity, lbs. Calculated for both liquid line sizes (where applicable), but only with large suction line size (where applicable) NOTE: For applications with linear length greater than 100 ft (30.5 m), contact your local Bryant representative. Check Vertical Separation —...
  • Page 10 CAPACITY CONTROL LIQUID LINE SOLENOID IMPORTANT: A refrigerant receiver is not VALVE - - 575J units are single- - stage only designs. DO provided with the unit. Do not install a receiver. NOT USE a capacity control liquid line solenoid valve on the indoor coil.
  • Page 11 Do not open the unit service valves until all interconnecting tube brazing as been completed. Before starting the unit, charge R-410A liquid refrigerant into the high side of each 575J circuit through the liquid The stub tube connections include -in SAE service fittings service valve(s).

  • Page 12: Step 6 - Install Accessories

    Liquid Lift: 20-ft (6.1 m) contactor C and indoor fan contactor IFC pressure lugs with unit field power leads. Select line sizes from Table 2 (575J): Field power wires are connected to the unit at line-side Liquid pressure lugs on compressor contactor C and TB1 (see...
  • Page 13 Tag- - out this switch, if necessary. Units Without Disconnect Option Two types of convenience outlets are offered on 575J models: Non-powered and unit-powered. Both types provide a 125-volt GFCI (ground-fault circuit-interrupter) duplex receptacle rated at 15-A behind a hinged...
  • Page 14 Field Control Wiring — Fuse on power type: The factory fuse is a Bussman 575J unit control voltage is 24 v. See Figs. 21 - - 23 for “Fusetron” T-15, non-renewable screw-in (Edison base) typical field control connections and the unit’s label diagram type plug fuse.
  • Page 15 If the thermostat does not require a 24-v source (no “C” connection required), use a The 575J control transformers provide 24- - v NEC Class 2 thermostat cable or equivalent with minimum of four power sources to energize external control devices. These leads.
  • Page 16 Table 8 – Electrical Data — 575J*07-12 60 Hz Units COMPRESSOR WITHOUT POWERED CONVENIENCE OUTLET NOMINAL VOLTAGE POWER RANGE No. 1 No. 2 OFM (ea) POWER SUPPLY DISCONNECT SIZE SUPPLY UNIT Fuse or V--- Ph--- Hz HACR Brkr 208/230---3---60 19.6...

  • Page 17: Step 8 - Wind Baffles For Low Ambient Control

    IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric utility company immediately. Step 8 — Wind Baffles for Low Ambient Control 575J***B and 575J***H units includes the factory installed 32LT Motormaster Low Ambient Control. Units with 32LT Motormaster control require the addition of wind baffles to ensure full range low ambient operation.

  • Page 18: Pre-Start-Up

    575J units are equipped with a Comfort Alert 1. Set the space thermostat set point above the space Diagnostic Module (CADM). Alert Code 7 indicates temperature so there is no demand for cooling.
  • Page 19 Disconnect the field low voltage lead at the 575J unit’s R through the overload with an ohmmeter or continuity terminal to prevent compressor operation. Close the 38 tester.
  • Page 20 6 Ton Heat Pump Charging Chart R410a Refrigerant Add Charge if Above the Curve Remove Charge if Below the Curve 1050 1400 1750 2100 2450 2800 3150 3500 3850 Pressure at Liquid Valve (PSIG / Kpa) 38AU500364 C150421 Fig. 16 - - 575J*07A/B Charging Chart...
  • Page 21 Add Charge if Above the Curve Remove Charge if Below the Curve 1050 1400 1750 2100 2450 2800 3150 3500 3850 Pressure at Liquid Valve (PSIG / Kpa) PN: 38AU000485 REV - C150343 Fig. 17 - - 575J*07G/H Charging Chart...
  • Page 22 7.5 Ton Heat Pump Charging Chart R410a Refrigerant Add Charge if Above the Curve Remove Charge if Below the Curve 1050 1400 1750 2100 2450 2800 3150 3500 3850 Pressure at Liquid Valve (PSIG / Kpa) 38AU500793 C150422 Fig. 18 - - 575J*08 Charging Chart...
  • Page 23 10 Ton Heat Pump Charging Chart R410a Refrigerant Add Charge if Above the Curve Remove Charge if Below the Curve 1050 1400 1750 2100 2450 2800 3150 3500 3850 Pressure at Liquid Valve (PSIG / Kpa) 38AU500794 C150423 Fig. 19 - - 575J*12 Charging Chart...
  • Page 24 Add Charge if Above the Curve Remove Charge if Below the Curve 1050 1400 1750 2100 2450 2800 3150 3500 3850 Pressure at Liquid Valve (PSIG / Kpa) PN: 38AU000486 REV - C150344 Fig. 20 - - 575J*12G/H Charging Chart...
  • Page 25 C11043 Fig. 21 - - 575J*07/08/12A/B Single Circuit / Single Stage Wiring Diagram (208/230-3-60 shown)
  • Page 26 C150345 Fig. 22 - - 575J*07G/H Single Circuit / Two Stage Wiring Diagram (208/230, 460-3-60 shown)
  • Page 27 C150346 Fig. 23 - - 575J*12G/H Single Circuit / Two Stage Wiring Diagram (208/230, 460-3-60 shown)

  • Page 28: Operating Sequence

    Two- - Stage Units— (RVS1) and P3- - 10 (COMP1). The OF output energizes For two stage units, the 575J*07G/H uses a two- - stage outdoor fan relay (OFR); both outdoor fan motors start Copeland Ultratech Scroll compressor in conjunction with and run.

  • Page 29: Cooling Unit With Economizer

    When the thermostat calls for first stage heating, terminal not expired, safety pressure switches are open, and/or W1 is energized. The 575J’s Defrost Board (DFB) lockout alarms are active, CADM1 relay will remain receives this input at P2-7. The DFB removes the output open, preventing compressor start.

  • Page 30: Supplemental Heating/Emergency Heating

    ROUTINE SYSTEM MAINTENANCE During the Defrost cycle, output EHEAT is also energized (if not already energized by a thermostat W2 demand); supplemental heater will be energized. During the Defrost These items should be part of a routine maintenance Cycle, LED1 on the DFB will be illuminated. The Defrost program, to be checked every month or two, until a cycle ends when DFT opens (as liquid temperature exiting specific schedule for each can be identified for this...

  • Page 31: Service

    SERVICE 3. Place terry cloth shop towel inside unit immediately under component(s) to be serviced and prevent lubri- Refrigeration System cant run-offs through the louvered openings in the base pan. CAUTION 4. Perform required service. 5. Remove and dispose of any oil contaminated material per local codes.

  • Page 32: Refrigerant System Pressure Access Ports

    See Fig. 26 for board energize the crankcase heater. arrangement. The DFB is located in the 575J’s main control box (see Fig. 25). All connections are factory-wired. Refer to Table 9 for details of DFB Inputs and Outputs.
  • Page 33 Table 9 – 575J Defrost Board I/O and Jumper Configurations Inputs Point Name Type of I/O Connection Pin Number Unit Connection Note G Fan DI, 24-vac P2-3 Not used Y1 Cool 1 DI, 24-vac P2-5 TB-Y1 W1 Heat 1 DI, 24-vac...
  • Page 34 C11044 Fig. 25 - - Defrost Control Board (DFB) Location start compressor with or without reversing valve operation to produce Stage 1 or 2 Cooling, or Stage 1 Heating. Defrost — The defrost control mode is a time/temperature sequence. There are two time components: The continuous run period and the test/defrost cycle period.
  • Page 35 Defrost Speedup Functions — If the space heating load is satisfied and compressor operation is terminated, the defrost control will remember The DFB permits the servicer to speed-up the defrost where the run period was interrupted. On restart in cycle. There are two speed-up sequences: relative Heating, the defrost control will resume unit operation at speed-up and an immediate forced defrost.
  • Page 36 Fans Service Valves C11045 Fig. 29 - - 575J*07 Exterior Outdoor Coil Defrost Thermostat (DFT) High Flow Access Ports C150032 Fig. 30 - - 575J*07 Interior...
  • Page 37 Fans Service Valves C11047 Fig. 31 - - 575J*08 Exterior Outdoor Coil Defrost Thermostat (DFT) High Flow Access Ports C150033 Fig. 32 - - 575J*08 Interior...
  • Page 38 Fans Service Valves C11049 Fig. 33 - - 575J*12 Exterior Outdoor Coil Defrost Thermostat (DFT) High Flow Access Ports C150034 Fig. 34 - - 575J*12A/B Interior...
  • Page 39 Defrost Thermostat (DFT) High Flow Access Ports C150424 Fig. 35 - - 575J*12G/H Interior...

  • Page 40: Comfort Alert Diagnostic Module

    Manual reset for lockouts requires that main Compressor T2 Line power to the 575J unit be recycled after the cause for the Compressor T3 Line Alert condition has been detected and corrected.
  • Page 41 Table 11 – LED Status Codes Status LED Status LED Description Status LED Troubleshooting Information Green “POWER” Module has power Supply voltage is present at module terminals Compressor protector is open Red “TRIP” LED On Solid Thermostat demand signal Y is present, but the Condensing unit power disconnect is open compressor is not running.

  • Page 42: Lubrication

    TRIP LED is on but system Verify Y terminal is wired properly per the 575J wiring diagram (see Figs. 21 --- and compressor check OK 23). Verify voltage at contactor coil falls below 0.5VAC when off. Verify 24VAQC is present across Y and C when thermostat demand signal is present.
  • Page 43 This Application Instructions: cleaner available from Bryant Replacement NOTE: Proper eye protection such as safety glasses is Components Division as part number P902-0301 for one recommended during mixing and application.

  • Page 44: Service Parts

    Service Parts 5. Mix Totaline environmentally sound coil cleaner in a gallon garden sprayer according to the instruc- Listings of service parts for all units are available from the tions included with the cleaner. The optimum solution Replacement Components Division’s Electronic Parts temperature is 100F (38C).

  • Page 45: Troubleshooting

    TROUBLESHOOTING PROBLEM CAUSE REMEDY Compressor and Power failure. Call power company. Outdoor Fan Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Determine root cause. Will Not Start. Defective thermostat, contactor, transformer, Replace component. control relay, or capacitor. Insufficient line voltage.

  • Page 46: Air Conditioner And Heat Pump With Puron R

    72 hours. rated working pressures greater than 600 psig. APPENDIX B WIRING DIAGRAM LIST Cooling Unit Electrical Characteristics Diagram Number Stages 208/230-3-60 38AU500363 460-3-60 38AU500362 575J*07A/B 575-3-60 38AU500435 208/230-3-60 38AU000443 460-3-60 38AU000443 575J*07G/H 575-3-60 38AU000444 208/230-3-60 38AU500363 460-3-60...

  • Page 47: Low Ambient Option - Factory Installed

    Operation — Check wiring Heating --- Slow fan speed Check SCB relay for speed Fan on/off control in heat pump units (575J) is provided (should be full speed) control bypass by an outdoor fan relay (OFR). In heat pumps, the OFR is controlled by defrost control board (DFB).
  • Page 48 C10801 Fig. 39 - - Sensor Locations Table 14 – Wind Baffle Dimensions DIMENSIONS --- INCHES UNIT BAFFLE LEFT SIDE 575J*07 BACK LEFT SIDE 575J*08 BACK RIGHT SIDE LEFT SIDE BACK 575J*12 RIGHT SIDE DIMENSIONS --- MM UNIT BAFFLE LEFT SIDE...
  • Page 49 C10800 Fig. 40 - - Wind Baffles...
  • Page 50 Form No: II575J---7---12---03 E 2019 Bryant Heating & Cooling Systems Catalog No. 04--- 53575003--- 01 Edition Date: 10--- 19 Printed in U.S.A. Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: II575J--- 7--- 12--- 02...

  • Page 51: Start Up Checklist

    START UP CHECKLIST I. PRELIMINARY INFORMATION OUTDOOR: MODEL NO. SERIAL NO. INDOOR: MODEL NO. SERIAL NO. ADDITIONAL ACCESSORIES II. PRE-START-UP OUTDOOR UNIT IS THERE ANY SHIPPING DAMAGE? (Y/N) IF SO, WHERE: WILL THIS DAMAGE PREVENT UNIT START-UP? (Y/N) CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT? (Y/N) HAS THE GROUND WIRE BEEN CONNECTED? (Y/N)
  • Page 52 COMPRESSOR 2 AMPS (L1/L2/L3) NOTES: Form No: II575J---7---12---03 E 2019 Bryant Heating & Cooling Systems Catalog No. 04--- 53575003--- 01 Edition Date: 10--- 19 Printed in U.S.A. Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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