Bryant 575J 16 Series Installation, Start-Up And Service Instructions Manual
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Bryant 575J 16 Series Installation, Start-Up And Service Instructions Manual

Bryant 575J 16 Series Installation, Start-Up And Service Instructions Manual

Heat pump condensing units with puron (r-410a) refrigerant
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57 5J *1 6 -2 5
H e a t P u m p C o n d e n s i n g U n i t s
with Pu ro n
®
( R-4 1 0A ) Refr i g er an t
Installation, Start-Up and Service Instructions
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION GUIDELINE . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Step 1 - Plan for Unit Location . . . . . . . . . . . . . . . . . . . . . 9
Step 3 - Prepare Unit Mounting Support . . . . . . . . . . . . . 9
Step 4 - Rig and Mount the Unit . . . . . . . . . . . . . . . . . . . . 9
• CHECK VERTICAL SEPARATION
Step 6 - Install Accessories . . . . . . . . . . . . . . . . . . . . . . . 12
Convenience Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Installing Weatherproof Cover . . . . . . . . . . . . . . . . . . . . . 14
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Turn On Crankcase Heater . . . . . . . . . . . . . . . . . . . . . . . . 17
Preliminary Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
575J Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53575005-01
Page
Printed in U.S.A.
Form No. II575J-16-25-03
OPERATING SEQUENCE . . . . . . . . . . . . . . . . . . . . . . . . 20
Base Unit Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
• HEATING
MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
(and 30 days after initial start) . . . . . . . . . . . . . . . . . . . 21
Seasonal Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
ROUTINE SYSTEM MAINTENANCE . . . . . . . . . . . . . 22
(and 30 days after initial start) . . . . . . . . . . . . . . . . . . . 22
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Refrigeration System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Compressor Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Commercial Defrost Control . . . . . . . . . . . . . . . . . . . . . . . 24
Comfort Alert Diagnostic Module . . . . . . . . . . . . . . . . . . 28
Outdoor Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Pg 1
3-23
Replaces: II575J-16-25-02

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Summary of Contents for Bryant 575J 16 Series

  • Page 1: Table Of Contents

    57 5J *1 6 -2 5 H e a t P u m p C o n d e n s i n g U n i t s with Pu ro n ® ( R-4 1 0A ) Refr i g er an t Installation, Start-Up and Service Instructions CONTENTS •...

  • Page 2: Safety Considerations

    Lubrication ........30 • FAN MOTORS WARNING •...

  • Page 3: Acid Test

    ACID TEST Install the factory-supplied liquid-line filter drier at the indoor coil just upstream of the TXV. If the existing system is being replaced because of a compres- sor electrical failure, assume acid is in system. If system is be- CAUTION ing replaced for any other reason, use an approved acid test kit to determine acid level.
  • Page 4 NOTE: Dimension and drawings for 575D 16 also apply to 575*16T/U. Fig. 1 — 575J*16 Unit Dimensions...
  • Page 5 NOTE: Dimension and drawings for 575D 25 also apply to 575*25T/U. Fig. 2 — 575J*25 Unit Dimensions...
  • Page 6 Table 2 — Physical Data — 575J*16-25 Units — 60 Hz English UNIT 575J*16T/U 575J*25T/U NOMINAL CAPACITY (tons) OPERATING WEIGHTS (lb) Aluminum-Fin Coils 1015 REFRIGERATION SYSTEM Puron (R-410A) Puron (R-410A) ® No. Circuits / No. Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll Shipping Charge A/B (lb) 9.0 / 9.0...
  • Page 7 Table 3 — Physical Data — 575J*16-25 Units — 60 Hz SI UNIT 575J*16T/U 575J*25T/U NOMINAL CAPACITY (kW) 52.8 70.3 OPERATING WEIGHTS (kg) Aluminum-Fin Coils REFRIGERATION SYSTEM Puron (R-410A) Puron (R-410A) ® ® No. Circuits / No. Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll Shipping Charge A/B (kg)
  • Page 8 10 11 12 13 14 15 16 17 J E 1 6 T 0 0 A 0 0 A 0 A Model Type Packaging 575J = Bryant Condensing Unit A = Standard ® Puron R-410A Refrigerant B = LTL Voltage...

  • Page 9: Installation

    INSTALLATION INSPECT SHIPMENT File a claim with shipping company if the shipment is damaged Jobsite Survey or incomplete. Complete the following checks before installation. CONSIDER SYSTEM REQUIREMENTS Consult local building codes and the NEC (National Electri- Code) ANSI/NFPA 70 special installation •...

  • Page 10: Provide Safety Relief

    NOTE(S): a. For applications with equivalent length greater than 188 ft (57 m) and/or linear length greater than 125 ft (38 m), contact your local Bryant representative. b. AHRI ratings as listed as only valid with the piping diameters specified.

  • Page 11: Install Liquid Line Solenoid Valves

    Table 6 — Refrigerant Specialties Part Numbers LIQUID LINE SIZE (in.) LIQUID LINE SOLENOID VALVE (LLSV) SOLENOID COIL SIGHT GLASS EF680035 plus EF680039 biflow kit EF680037 KM680004 EF680036 plus EF680039 biflow kit EF680037 KM680005 INSTALL LIQUID LINE SOLENOID VALVES It is recommended that bi-directional solenoid valves be placed in the main liquids line for circuits 1 and 2 (see Fig.

  • Page 12: Preliminary Charge

    For linear line lengths longer than 125 ft (38.1 m), contact your connect. On a unit without a unit-mounted disconnect, connect local Bryant representative for system charge value. the source leads to compressor contactor C with unit field power leads.

  • Page 13: Units Without Factory-Installed Disconnect

    Operation on improper line volt- Wire Only age or excessive phase imbalance constitutes abuse and may cause damage to electrical components. Such operation would Aluminum invalidate any applicable Bryant warranty. Wire Convenience Outlets Fig. 8 — Disconnect Switch and Unit UNITS WITHOUT FACTORY-INSTALLED DISCONNECT...

  • Page 14: Installing Weatherproof Cover

    Splice BLU + YEL H2 + H3 L2: GRA ing to the specific construction details of the indoor section. Figure 13 depicts typical connections to a Bryant 524J***H L1: RED fan coil unit. Plan for field connections carefully and install L2: GRA control wiring correctly per the project plan.

  • Page 15: Thermostat

    THERMOSTAT THERMOSTAT Install a Bryant-approved accessory thermostat according to OUTDOOR UNIT CONNECTION installation instructions included with the accessory. For com- BOARD (TB) plete economizer function, select a two-stage cooling thermo- stat. Locate the thermostat accessory on a solid wall in the con-...
  • Page 16 Table 9 — Electrical Data — 575J*16-25 60 Hz Units COMPRESSOR WITHOUT POWERED CONVENIENCE OUTLET VOLTAGE NOMINAL RANGE No. 1 No. 2 OFM (ea) Power Supply Disconnect Size POWER UNIT Fuse or SUPPLY HACR (V-Ph-Hz) Brkr 208/230-3-60 26.8 25.0 63/63 80/80 65/65 337/337...

  • Page 17: Pre-Start-Up

    PRE-START-UP START-UP 575J Units The compressor crankcase heater must be on for 24 hours be- IMPORTANT: Before beginning Pre-Start-Up or Start-Up, fore start-up. After the heater has been on for 24 hours, the unit review Start-Up Checklist at the back of this book. The can be started.

  • Page 18: Start Unit

    The unit must be charged in Cooling mode only. Refer to Cool- ing Charging Charts, Fig. 16 and 17. For applications with line lengths greater than 100 ft, contact Bryant representative. Vary refrigerant until the conditions of the chart are met. The charts are based on charging the units to the correct subcooling for the various operating conditions.
  • Page 19 15 Ton Heat Pump Circuit A Charging Chart R-410A 15 Ton Heat Pump Circuit B Charging Chart R-410A Refrigerant Refrigerant Add Charge if Add Charge if Above the Curve Above the Curve Rem ove Charge if Rem ove Charge if Below the Curve Below the Curve 100 150 200 250 300 350 400 450 500 550 600...

  • Page 20: Operating Sequence

    OPERATING SEQUENCE Y1 opening, Circuit 1 compressor stops, all outdoor fan motors stop, and SVR1 relay is de-energized. Liquid line solenoid Base Unit Controls valve LLSV1 is de-energized and valve closes. Compressor Lockout Relay and Loader Control Relay are de-energized. INDOOR (SUPPLY) FAN CADM1 begins its three-minute anti-recycle time delay.

  • Page 21: Defrost Cycle

    Bypass Relay (TBR), ensuring that all fans run at full a. The above list may not include all maintenance items. Inspection intervals may vary depending on climate and opening hours. Consult your Bryant dealer speed. See Fig. 18 and 19 for outdoor fan labeling.

  • Page 22: Routine System Maintenance

    The above list may not include all maintenance items. Inspection intervals may (POE) oil. This oil is extremely hygroscopic, meaning it vary depending on climate and opening hours. Consult your Bryant dealer absorbs water readily. POE oils can absorb 15 times as about a service contact for seasonal inspections.

  • Page 23: Field Refrigerant Access Ports

    FIELD REFRIGERANT ACCESS PORTS OUTDOOR COIL METERING DEVICES Field service access to refrigerant pressures is through the ac- The metering devices are multiple fixed-bore devices (Acu- cess ports located at the service valves (see Fig. 18-19). These trol™) swaged into the horizontal outlet tubes from the liquid ports are 1/4 in.

  • Page 24: Compressor Protection

    operating. The heater is wired to cycle with the compressor; the heater is off when compressor is running, and on when Outdoor Coil compressor is off. Outdoor Coil The crankcase heater will operate as long as the power circuit is energized. The main disconnect must be on to energize the crankcase heater.

  • Page 25: Reversing Valve Control

    LOC1 LPS1 HPS1 FPT1 CIRCUIT 1 NOTE: Move compressor contactor wire CIRCUIT 2 from right-side LPS terminal to right-side FPT terminal HPS2 LOC2 FPT2 LPS2 Fig. 23 — Field Wiring of Indoor Coil Freeze Protection Switch (FPT) (Dual Circuit Shown) REVERSING VALVE CONTROL The DFB has two outputs for unit reversing valve control.
  • Page 26 Table 12 — 575J Defrost Board I/O and Jumper Configurations POINT NAME TYPE OF I/O CONNECTION PIN NO. UNIT CONNECTION NOTE INPUTS 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 P2-7 TB-W1 R Power...

  • Page 27: Defrost

    DEFROST At the end of the unit defrost cycle, the unit will be returned to Heating cycle for a full continuous run period. If the space The defrost control mode is a time/temperature sequence. heating load is satisfied and compressor operation is terminat- There are two time components: The continuous run period ed, the defrost control will remember where the run period was and the test/defrost cycle period.

  • Page 28: Comfort Alert Diagnostic Module

    Comfort Alert Diagnostic Module Power The Comfort Alert Diagnostic Module (CADM) monitors and (GRN) Comfort Alert ™ analyzes data from the Copeland Scroll three-phase compres- Commercial Diagnostics POWER sor and the thermostat demand. The CADM also provides a Green LED - 24VAC Power Yellow LED - Flash Code 3-minute anti-recycle time delay to compressor cycling.
  • Page 29 Table 14 — LED Status Codes STATUS LED STATUS LED STATUS LED DESCRIPTION TROUBLESHOOTING INFORMATION Green “POWER” Module has power Supply voltage is present at module terminals 1. Compressor protector is open 2. Condensing unit power disconnect is open 3. Compressor circuit breaker or fuse(s) is open Thermostat demand signal Y is present, but the Red “TRIP”...

  • Page 30: Outdoor Fans

    This cleaner is system has been in operation. available from Bryant Replacement Components Division as Outdoor Coil Maintenance and Cleaning part number P902-0301 for one gallon container, and part num- Recommendation ber P902-0305 for a 5 gallon container.
  • Page 31 Avoid the use of: • coil brighteners • acid cleaning prior to painting Rigid • high pressure washers Support • poor quality water for cleaning Cover Totaline environmentally sound coil cleaner is nonflammable, hypoallergenic, non bacterial, and a USDA accepted biode- gradable agent that will not harm the coil or surrounding com- ponents such as electrical wiring, painted metal surfaces, or in- sulation.
  • Page 32 Service Parts FASTENER TORQUE VALUES Listings of service parts for all units are available from the Re- placement Components Division’s Electronic Parts Informa- 65-75 in.-lb Compressor mounting bolts tion Catalog (EPIC). EPIC is available at Totaline ® stores, dis- (734-847 N-cm) tributor and service office parts departments and online at 20 ±...
  • Page 33 TROUBLESHOOTING PROBLEM CAUSE REMEDY Power failure. Call power company. Replace fuse or reset circuit breaker. Determine root Fuse blown or circuit breaker tripped. cause. Defective thermostat, contactor, transformer, control Replace component. relay, or capacitor. Insufficient line voltage. Determine cause and correct. Incorrect or faulty wiring.
  • Page 34 APPENDIX A — AIR CONDITIONER AND HEAT PUMP WITH PURON ® — QUICK REFERENCE GUIDE • Puron (R-410A) refrigerant operates at 50 percent to • POE oils may cause damage to certain plastics and roofing 70 percent higher pressures than R-22. Be sure that servic- materials.
  • Page 35 APPENDIX B — WIRING DIAGRAM LIST (CONT) Fig. A — 575J*16 Power Schematic (208/230-3-60 shown)
  • Page 36 APPENDIX B — WIRING DIAGRAM LIST (CONT) Fig. B — 575J*16 Power Schematic (460-3-60 shown)
  • Page 37 APPENDIX B — WIRING DIAGRAM LIST (CONT) Fig. C — 575J*16 Power Schematic (575-3-60 shown)
  • Page 38 APPENDIX B — WIRING DIAGRAM LIST (CONT) Fig. D — 575J*25 Power Schematic (208/230-3-60 shown)
  • Page 39 APPENDIX B — WIRING DIAGRAM LIST (CONT) Fig. E — 575J*25 Power Schematic (460-3-60 shown)
  • Page 40 APPENDIX B — WIRING DIAGRAM LIST (CONT) Fig. F — 575J*25 Power Schematic (575-3-60 shown)
  • Page 41 APPENDIX B — WIRING DIAGRAM LIST (CONT) Fig. G — 575J*16-25 Control Schematic...
  • Page 42 APPENDIX C — LOW AMBIENT OPTION — FACTORY INSTALLED Troubleshooting Units with the factory installed low ambient option are equipped with a low ambient head pressure control which reg- ulates fan speed. Two temperature sensors, mounted on circuits OBSERVATION POSSIBLE REMEDY 1 and 2 of the outdoor coil (see Fig.
  • Page 43 APPENDIX C — LOW AMBIENT OPTION — FACTORY INSTALLED (CONT) Low Ambient Sensor 2 Low Ambient Sensor 2 must be positioned must be positioned on Vapor Stub on Vapor Stub (fourth from top) (fourth from top) Low Ambient Sensor 1 Low Ambient Sensor 1 must be positioned must be positioned...
  • Page 44 APPENDIX C — LOW AMBIENT OPTION — FACTORY INSTALLED (CONT) NOTE: Dimensions are in inches. Fig. J — Wind Baffles — Fabrication...
  • Page 45 APPENDIX C — LOW AMBIENT OPTION — FACTORY INSTALLED (CONT) NOTE: Dimensions are in inches. Fig. K — 15 Ton Wind Baffle Brackets — Fabrication...
  • Page 46 APPENDIX C — LOW AMBIENT OPTION — FACTORY INSTALLED (CONT) TOP BRACKETS FRONT BOTTOM BRACKET BACK LEFT RIGHT Fig. L — Wind Baffle Installation — 15 Ton Units...
  • Page 47 APPENDIX C — LOW AMBIENT OPTION — FACTORY INSTALLED (CONT) FRONT LEFT BACK RIGHT Fig. M — Wind Baffle Installation — 20 Ton Units...
  • Page 50 Printed in U.S.A. Form No. II575J-16-25-03 © 2023 Carrier Cat. No. 04-53575005-01 Edition Date: 3-23 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: II575J-16-25-02...
  • Page 51 START-UP CHECKLIST FOR 575J*16-25 HEAT PUMP CONDENSING UNIT (Remove and use for job file) NOTE: To avoid injury to personnel and damage to equipment or property when completing the procedures listed in this start-up checklist, use good judgment, follow safe practices, and adhere to the safety considerations/information as outlined in preceding sections of this Installation, Start-Up and Service Instruction document.
  • Page 52 CHECK VOLTAGE IMBALANCE Line-to-Line Volts: AB ___________ V AC _____________ V BC ___________ V (AB + AC + BC)/3 = Average Voltage = ____________ V Maximum Deviation from Average Voltage = ____________ V Voltage Imbalance = 100 x (Max Deviation)/(Average Voltage) = ____________ IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM! CALL LOCAL POWER COMPANY FOR ASSISTANCE.

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575j 25 series

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