Bryant 548J Service And Maintenance Instructions

Single package heat pump/electric heat nominal 3 to 8.5 tons with puron (r-410a) refrigerant

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SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment

can be hazardous due to system pressure and electrical

components. Only trained and qualified service personnel

should

install,

equipment. Untrained personnel can perform the basic

maintenance functions of replacing filters. Trained service

personnel should perform all other operations.

When working on air-conditioning equipment, observe

precautions in the literature, tags and labels attached to

the unit, and other safety precautions that may apply.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for unbrazing operations.

Have fire extinguishers available for all brazing

operations.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for brazing operations. Have

fire extinguisher available. Read these instructions

thoroughly and follow all warnings or cautions attached to

the unit. Consult local building codes and National

Electrical Code (NEC) for special requirements.

Recognize safety information. This is the safety- - alert

symbol

. When you see this symbol on the unit and in

instructions or manuals, be alert to the potential for

personal injury.

Understand the signal words DANGER, WARNING, and

CAUTION. These words are used with the safety- - alert

symbol. DANGER identifies the most serious hazards

which will result in severe personal injury or death.

WARNING signifies a hazard which could result in

personal injury or death. CAUTION is used to identify

unsafe practices which may result in minor personal

injury or product and property damage. NOTE is used to

highlight suggestions which will result in enhanced

installation, reliability, or operation.

repair,

service

air-conditioning

Table of Contents

Troubleshooting

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Summary of Contents for Bryant 548J

Page 1: Table Of Contents
548J SINGLE PACKAGE HEAT PUMP/ELECTRIC HEAT NOMINAL 3 TO 8.5 TONS WITH PURON (R- -410A) REFRIGERANT Service and Maintenance Instructions TABLE OF CONTENTS SAFETY CONSIDERATIONS ....
Page 2: Cut Hazard
WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death. Before performing service or maintenance operations on unit, turn off main power switch to unit. Electrical shock and rotating equipment could cause injury. WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death.
Page 3: Unit Arrangement And Access
These items should be checked at the beginning of each season (or more often if local conditions and usage patterns dictate): Air Conditioning/Heat Pump S Outdoor fan motor mounting bolts tightness S Compressor mounting bolts S Outdoor fan blade positioning...
Page 4: Supply Fan (Blower) Section
Direct- - Drive Fan Assembly) and Fig. 6 (EMC Motor Connectors). FILTER CLIP C08634 Motor Plug Position (95° from vertical) Fig. 5 - - 548J Direct- - Drive Supply Fan Assembly C07156 Speed Taps Fig. 6 - - EMC Motor Connectors WARNING EMC Motor 95°...
Page 5 Position 1 for lowest torque/speed operation. 460, 575-v Units 208/230-v Units Fig. 7 - - EMC Unit Wiring Table 1 – 548J Standard Static Motor Tap Programing (percent of full- - load torque) Unit Size Tap 1 Factory Default: Tap 1 (VIO) To select another speed: 1.
Page 6 Table 2 – Motor Test Volts Unit Voltage Motor Voltage 208/230 5. Apply a jumper at unit control terminals R to G to initiate a demand for motor operation. Check for 24- - v output at defrost board terminal IFO. 6.
Page 7 Adjustable- - Pitch Pulley on Motor The motor pulley is an adjustable- - pitch type that allows a servicer to implement changes in the fan wheel speed to match as- - installed ductwork systems. The pulley consists of a fixed flange side that faces the motor (secured to the motor shaft) and a movable flange side that can be rotated around the fixed flange side that increases or reduces the pitch diameter of this driver pulley.
Page 8: Heat Pump Refrigeration System
Puron refrigerant. If unsure about equipment, consult the equipment manufacturer. Outdoor Coil The 548J outdoor coil is fabricated with round tube copper hairpins and plate fins of various materials and/or coatings (see “Appendix I - - Model Number Significance”...
Page 9 OUTDOOR COIL Fig. 11 - - Cleaning Condenser Coil (Size 04- - 07 shown) Fig. 12 - - Propping Up Top Panel 4. For Sizes 04- - 07: Remove screws securing coil to compressor plate and compressor access panel. 5. For Sizes 08- - 09: Remove fastener holding coil sec- tions together at return end of condenser coil.
Page 10: Indoor Coil
6. Reconnect wiring. 7. Replace access panels. Refrigeration System Components Each heat pump refrigeration system includes a compressor, accumulator, reversing valve, dual- - function outdoor coil with vapor header check valve, cooling liquid line with filter drier and check valve, dual- - function indoor coil with vapor header check valve, and heating liquid line with check valve and strainer.
Page 11 Orifice From Liquid Header Fig. 15 - - Heat Pump Acutrol — Flow as Evaporator Function Converging circuit flow in the condenser- - function operation is accomplished with the check valve in the vapor header and the liquid transfer header connected to the side ports on all but one of the Acurator tee nipples in each circuit.
Page 12 Table 5 – Defrost Mode 04A--- 07A and 08D--- 09D/Circuit 2: Component Status/Position Defrost Thermostat Closed Outdoor Fan(s) Reversing Valve Energized Check Valve A Closed Check Valve B Open Check Valve C Closed Check Valve D Open Troubleshooting Refrigerant Pressure Problems and Check Valves Refer to Fig.
Page 13: Puron R (R- -410A) Refrigerant
NOMINAL TONS SIZE DESIGNATION REFERENCE EXAMPLE: Model 548J*04A Outdoor Temperature ....Suction Pressure ....
Page 14: Cooling Charging Charts
COOLING CHARGING CHARTS C09184 Fig. 20 - - Cooling Charging Charts- - 548J*04A C09185 Fig. 20 (cont.) - - Cooling Charging Charts - - 548J*05A...
Page 15 Fig. 20 (cont.) - - Cooling Charging Charts - - 548J*06A Fig. 20 (cont.) - - Cooling Charging Charts - - 548J*07A C09186 C09187...
Page 16 Fig. 20 (cont.) - - Cooling Charging Charts - - 548J*08D Fig. 20 (cont.) - - Cooling Charging Charts - - 548J*09D C09188 C09189...
Page 17: Filter Drier
Compressor Rotation CAUTION PERSONAL INJURY HAZARD Failure to follow this caution may result in personal injury. On 3- - phase units with scroll compressors, it is important to be certain compressor is rotating in the proper direction. To determine whether or not compressor is rotating in the proper direction: 1.
Page 18 PROBLEM Compressor and Power failure. Outdoor Fan Fuse blown or circuit breaker tripped. Will Not Start. Defective thermostat, contactor, transformer, control relay, or capacitor. Insufficient line voltage. Incorrect or faulty wiring. Thermostat setting too high. High pressure switch tripped. Low pressure switch tripped. Freeze-up protection thermostat tripped.
Page 19: Convenience Outlets
Tag- - out this switch, if necessary. Two types of convenience outlets are offered on 548J 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 waterproof access cover, located on the end panel of the unit.
Page 20: Heat Pump Controls
The CTB contains no software and no logic. But it does include seven configuration jumpers that are cut to configure the board to read external optional and accessory controls, including that the unit is a heat pump. CO8283 TRANSFORMER TERMINALS...
Page 21: Commercial Defrost Control
Troubleshooting supply fan motor overload trips: The supply fan used in 548J units is a forward- - curved centrifugal wheel. At a constant wheel speed, this wheel had a characteristic that causes the fan shaft load to...
Page 22 Fig. 27 - - Defrost Control Board (DFB) Location Table 9 – 548J Defrost Board I/O and Jumper Configurations Inputs Point Name Type of I/O G Fan DI, 24--- vac Y1 Cool 1 DI, 24--- vac Y2 Cool 2 DI, 24--- vac...
Page 23 Auxiliary (Electric) Heat control — The 548J unit can be equipped with one or two auxiliary electric heaters, to provide a second stage of Heating. The DFB will energize this Heating system for a Stage 2 Heating command (heaters operate concurrently with both compressors in the...
Page 24: Electric Heaters
Defrost cycle will run for 30 secs. Both modes end at the end of the Defrost cycle. ELECTRIC HEATERS 548J units may be equipped with field- - installed accessory electric heaters. The heaters are modular in design, with heater frames holding open coil resistance wires strung through ceramic insulators, line- - break limit switches and a control contactor.
Page 25: Completing Heater Installation
SCREWS Fig. 32 - - Typical Single Point Installation On 548J units, all fuses are 60- - A. Single point boxes containing fuses for 208/230- - V applications use UL Class RK5 250- - V fuses (Bussman FRNR 60 or Shawmut TR 60R).
Page 26: Smoke Detectors
SMOKE DETECTORS Smoke detectors are available as factory- - installed options on 548J models. Smoke detectors may be specified for Supply Air only or for Return Air without or with economizer or in combination of Supply Air and Return Air. Return Air smoke detectors are arranged for vertical return configurations only.
Page 27: Smoke Detector Locations
such as smoke from a fire, causes the sensor to signal an alarm state but dust and debris accumulated over time does not. For installations using two sensors, the duct smoke detector does not differentiate which sensor signals an alarm or trouble condition. Smoke Detector Locations Supply Air —...
Page 28 6. For units with an economizer, the sampling tube is in- tegrated into the economizer housing but the connec- tion of the flexible tubing to the sampling tube is the same. Fig. 41 - - Return Air Sensor Operating Position FIOP Smoke Detector Wiring and Response All units: FIOP smoke detector is configured to automatically shut down all unit operations when smoke...
Page 29 Sensor and Controller Tests Sensor Alarm Test The sensor alarm test checks a sensor’s ability to signal an alarm state. This test requires that you use the factory provided SD- - MAG test magnet. The magnet (which is approximately 1.0 in. long. x in.
Page 30 CAUTION OPERATIONAL TEST HAZARD Failure to follow this caution may result in personnel and authority concern. Changing the dirty sensor test operation will put the detector into the alarm state and activate all automatic alarm responses. Before changing dirty sensor test operation, disconnect all auxiliary equipment from the controller and notify the proper authorities if connected to a fire alarm system.
Page 31: Detector Cleaning
CONTROL OR INDICATOR Magnetic test/reset switch Resets the sensor when it is in the alarm or trouble state. Activates or tests the sensor when it is in the normal state. Alarm LED Indicates the sensor is in the alarm state. Trouble LED Indicates the sensor is in the trouble state.
Page 32: Troubleshooting
Alarm Fig. 45 - - Controller Assembly NOTE: All troubles are latched by the duct smoke detector. The trouble condition must be cleared and then the duct smoke detector must be reset in order to restore it to the normal state. Resetting Alarm and Trouble Condition Trips: Manual reset is required to restore smoke detector systems to Normal operation.
Page 33: Rtu- -Mp Control System
RTU- - MP controller. Connection to the RTU- - MP board is at the J12 access port, see Fig. 46. The RTU- - MP control is factory- - mounted in the 548J unit’s main control box, to the left of the CTB. See Fig. 47 (or Fig.
Page 36: Configurable Inputs
Supply Temperature (SAT) FIOP- - equipped 548J unit, the unit is supplied with a supply- - air temperature (SAT) sensor (33ZCSENSAT). This sensor is a tubular probe type, approx 6- - inches (153 mm) in length. It is a nominal 10- - k ohm thermistor.
Page 37 Fig. 50 - - Field Control Wiring Raceway 19,903 15,714 Space Temperature (SPT) Sensors 12,494 A field- - supplied Bryant space temperature sensor is 10,000 required with the RTU- - MP to monitor space temperature. 8,056 There are 3 sensors available for this application:...
Page 38 J20-1 J20-2 Fig. 52 - - RTU- - MP T- - 55 Sensor Connections Connect T- - 56 - - See Fig. 53 for T- - 56 internal connections. Install a jumper between SEN and SET terminals as illustrated. Connect T- - 56 terminals to RTU- - MP J20- - 1, J20- - 2 and J20- - 3 per Fig.
Page 39 Differential Enthalpy Control — Differential enthalpy control is provided by sensing and comparing the outside air and return air enthalpy conditions. Install the outdoor air enthalpy control as described above. Add and install a return air enthalpy sensor. Return Air Enthalpy Sensor — Mount the return- - air enthalpy sensor (33CSENTSEN) in the return- - air section of the ecomomizer.
Page 40: Power Exhaust
24 VAC Fig. 61 - - RTU- - MP / Outdoor CO (33ZCSENCO2) Connections On 548J units equipped with factory- - installed Smoke Detector(s), the smoke detector controller implements the unit shutdown through its NC contact set connected to the unit’s CTB input.
Page 41 BACnet over BACnet- - only controllers. This is the default Bryant communications protocol. Each RTU- - MP module acts as an MS/TP Master. The speed of an MS/TP network can range from 9600 to 76.8K baud. Physical Addresses can be set from 01 to 99.
Page 42: Rtu- -Mp Troubleshooting
RTU- -MP Troubleshooting Communication LEDs The LEDs on the RTU- - MP (see Fig. 46) indicate if the controller is speaking to the devices on the network. The LEDs should reflect communication traffic based on the The LEDs on the RTU ---MP show the status of certain functions If this LED is on...
Page 43 BACnet POINT NAME OBJECT NAME Safety Chain Alarm safety_chain Fire Shutdown Alarm fire_alarm Space Temp Sensor spt_alarm Failure SAT Sensor Alarm sat_alarm High Space Temp Alarm spt_hi Low Space Temp Alarm spt_lo High Supply Air Temp sat_hi Low Supply Air Temp sat_lo Supply Fan Failed to sf_fail...
Page 44 Alarms Alarms can be checked through the network and/or the local access. All the alarms are listed in Table 17 with name, object name, action taken by control, reset method, and probable cause. There are help screens for each alarm on the local access display and listed in Form 48- - 50H- - T- - 2T, Appendix A: Help Screens.
Page 45 S Max Masters: Defines the highest MS/TP Master MAC address on this MS/TP network. For example, if there are 3 master nodes on an MS/TP network, and their MAC addresses are 1, 8, and 16, then Max Masters would be set to 16 (since this is the highest MS/TP MAC address on the network).
Page 46 When troubleshooting, you may need to know a control module’s manufacture date. Obtain the manufacture date from Notes a... Module status report (modstat) To obtain a modstat with BACview 1. Press Function (FN) key and hold. 2. Then press period (.) 3.
Page 47: Economizer Systems
Form 48- - 50H- - T- - 1T Appendix) for N2 Protocol Conformance Statement. ECONOMIZER SYSTEMS The 548J units may be equipped with a factory- - installed or accessory (field- - installed) economizer system. Two types are available: with a logic control system...
Page 48 500 OHM RESISTOR NOTE 1 NOTE 3 50HJ540573 ACTUATOR ASSEMBLY DIRECT DRIVE ACTUATOR NOTES: 1. Switch on actuator must be in run position for economizer to operate. 2. PremierLink™ control requires that the standard 50HJ540569 outside-air sensor be replaced by either the CROASENR001A00 dry bulb sen sor or HH57A077 enthalpy sensor.
Page 49 Table 21 – EconoMi$er IV Input/Output Logic INPUTS Enthalpy* Demand Control Ventilation (DCV) Outdoor High (Free Cooling LED Off) Below set (DCV LED Off) (Free Cooling LED On) High (Free Cooling LED Off) Above set (DCV LED On) (Free Cooling LED On) For single enthalpy control, the module compares outdoor enthalpy to the ABCD setpoint.
Page 50 SUPPLY AIR TEMPERATURE SENSOR MOUNTING LOCATION SUPPLY AIR TEMPERATURE SENSOR Fig. 71 - - Supply Air Sensor Location The temperature sensor looks like an eyelet terminal with wires running to it. The sensor is located in the “crimp end” and is sealed from moisture. Outdoor Air Lockout Sensor The EconoMi$er IV is equipped with an ambient temperature lockout switch located in the outdoor...
Page 51 0.13 0.20 0.22 0.25 0.30 0.35 0.40 STATIC PRESSURE (in. wg) Fig. 74 - - Outdoor- - Air Damper Leakage Differential Dry Bulb Control For differential dry bulb control the standard outdoor dry bulb sensor is used in conjunction with an additional accessory bulb sensor...
Page 52 Open Free Cool Fig. 77 - - EconoMi$er IV Control Differential Enthalpy Control For differential enthalpy control, the EconoMi$er IV controller uses two enthalpy sensors (HH57AC078 and CRENTDIF004A00), one in the outside air and one in the return air duct. The EconoMi$er IV controller compares the outdoor air enthalpy to the return air enthalpy to determine EconoMi$er IV use.
Page 53 To determine the minimum position setting, perform the following procedure: 1. Calculate the appropriate mixed air temperature using the following formula: ) + (T = Outdoor-Air Temperature OA = Percent of Outdoor Air = Return-Air Temperature RA = Percent of Return Air = Mixed-Air Temperature As an example, if local codes require 10% outdoor during...
Page 54 (See Table 23.) Use setting 1 or 2 for Bryant equipment. (See Table 23.) 1. Press Clear and Mode buttons. Hold at least 5 seconds until the sensor enters the Edit mode.
Page 55 EconoMi$er IV Preparation This procedure is used to prepare the EconoMi$er IV for troubleshooting. No troubleshooting or testing is done by performing the following procedure. NOTE: This procedure requires a 9- - v battery, 1.2 kilo- - ohm resistor, and a 5.6 kilo- - ohm resistor which are not supplied with the EconoMi$er IV.
Page 56: Wiring Diagrams
5. Remove 620- - ohm resistor from terminals SR and +. See Fig. 79 and Fig. 80 for typical wiring diagrams. Fig. 79 - - 548J Typical Unit Wiring Diagram - - Power (08D, 208/230- - 3- - 60) 6. Remove 1.2 kilo- - ohm checkout resistor from terminals SO and +.
Page 58: Pre- - Start-Up
PRE- -START- - UP WARNING PERSONAL INJURY HAZARD Failure to follow this warning could result in personal injury or death. 1. Follow recognized safety practices and wear protective goggles when checking or servicing refrigerant system. 2. Do not operate compressor or provide any electric power to unit unless compressor terminal cover is in place and secured.
Page 59: Internal Wiring
Internal Wiring Check all electrical connections in unit control boxes. Tighten as required. Refrigerant Service Ports Each unit system has two ” SAE flare (with check valves) service ports: one on the suction line, and one on the compressor discharge line. Be sure that caps on the ports are tight.
Page 60 service test. Indoor fans and outdoor fans are controlled normally to maintain proper unit operation. All normal cooling alarms and alerts are functional. NOTE: Circuit A is always operated with Circuit B due to outdoor fan control on Circuit A. Always test Circuit A first, and leave it on to test other Circuits.
Page 61 Inputs NOTE: For installation of inputs and field installed accessories, refer to the appropriate sections. Input 3 This input is a discrete input and can be configured to be one of five different inputs: No Function, Compressor Safety, Fan Status, Filter Status, or Remote Occupancy. This input can also be configured to be either Normally Open (N/O) or Normally Closed (N/C).
Page 62: Operating Sequence
Economizer Economizer Exists This point tells the controller if there is an economizer installed on the unit. Factory Default = NO if no economizer YES if there is an economizer installed Economizer Minimum Position This defines the lowest economizer position when the indoor fan is running and the building is occupied.
Page 63 position. Compressor 2 contactor (C2) is energized; Compressor 2 starts and Circuit 2 operates in Cooling mode. When Cooling Stage 2 is satisfied, thermostat Y2 opens. Compressor 2 contactor (C2) is de- - energized; Compressor 2 stops. RVS2 remains energized. When Cooling Stage 1 is satisfied, thermostat Y1 opens.
Page 64 de- - energized as the dampers close below the PE- - On setpoint. Damper movement from full closed to full open (or vice versa) will take between 1 and 2 Heating With EconoMi$er IV During Occupied mode operation, indoor fan operation will be accompanied by economizer dampers moving to Minimum Position setpoint for ventilation.
Page 65 are restored and phase sequence is correct. If no 24-v control power is available to the PMR, the red LED will be off. RTU- -MP Sequence of Operation The RTU- - MP will control the compressor, economizer and heating outputs based on its own space temperature input and setpoints.
Page 66 look for a contact closure whenever the Supply Fan Relay is on. If it is not enabled then it will always be the same state as the Supply Fan Relay. The cooling, economizer, heating, dehumidification, CO and power exhaust routines will use this input point for fan status. Cooling The compressor outputs are controlled by the Cooling Control PID Loop and Cooling Stages Capacity algorithm.
Page 67: Fastener Torque Values
the difference between the indoor air quality and an optional outdoor air quality sensor. If the outdoor air quality is not present then a fixed value of 400ppm is used. The following conditions must be true in order for this algorithm to run: S The mode is occupied.
Page 68: Appendix I. Model Number Significance
MODEL NUMBER NOMENCLATURE 5 4 8 J P 0 6 A 0 0 0 A 0 B 0 A A -- ____________ Unit Type 548J = High Eff. Heat Pump Voltage E = 460--- 3--- 60 J = 208/230--- 1--- 60...
Page 69: Appendix Ii. Physical Data
OA inlet screen # / Size (in) Cu / AI: Copper Tube / Aluminum Fin RTPF: Round Tube / Plate Fin APPENDIX II. PHYSICAL DATA 3 - - 6 TONS 548J*04A 548J*05A 1 / 1 / Scroll 1 / 1 / Scroll 9--- 8 / ---...
Page 70 OA inlet screen # / Size (in) Cu / AI: Copper Tube / Aluminum Fin RTPF: Round Tube / Plate Fin 7.5 - - 8.5 TONS 548J*08D 548J*09D 2 / 2 / Scroll 2 / 2 / Scroll 10--- 3 / 10--- 3...
Page 71: Appendix Iii. Fan Performance
4. The Fan Performance tables offer motor/drive recommendations. In cases when two motor/drive combinations would work, Bryant recommended the lower horsepower option. 5. For information on the electrical properties of Bryant’s motors, please see the Electrical information section of this book.
Page 72 APPENDIX III. FAN PERFORMANCE Table 25 – 548J*04A ELECTRIC DRIVE, X13 MOTOR, 3 TON HORIZONTAL SUPPLY SPEED (TORQUE) 0.70 0.60 1050 0.50 1125 0.39 1200 0.29 1275 0.21 1350 0.12 1425 0.03 1500 0.85 0.76 1050 0.66 1125 0.55 1200 0.46...
Page 73 APPENDIX III. FAN PERFORMANCE (cont.) Table 27 – 548J*05A ELECTRIC DRIVE, X13 MOTOR, 4 TON HORIZONTAL SUPPLY SPEED (TORQUE) 1200 0.75 1300 0.63 1400 0.48 1500 0.33 1600 0.19 1700 0.05 1800 1900 2000 1200 0.97 1300 0.88 1400 0.77 1500 0.64...
Page 74 APPENDIX III. FAN PERFORMANCE (cont.) Table 29 – 548J*06A ELECTRIC DRIVE, X13 MOTOR, 5 TON HORIZONTAL SUPPLY SPEED (TORQUE) 1500 1.19 1625 1.01 1750 0.82 1875 0.60 2000 0.38 2125 0.16 2250 2375 2500 1500 1.40 1625 1.25 1750 1.08 1875 0.90...
Page 75 APPENDIX III. FAN PERFORMANCE (cont.) Table 31 – 548J*04A 0.13 0.15 1050 0.18 1125 0.20 1200 0.23 1275 0.26 1350 0.30 1425 0.34 1500 0.38 Med static High static 1078 0.77 1151 1093 0.80 1165 1050 1108 0.84 1180 1125 1123 0.88...
Page 76 APPENDIX III. FAN PERFORMANCE (cont.) Table 33 – 548J*05A 1200 0.23 1300 0.28 1400 0.33 1500 0.38 1600 0.45 1700 0.52 1800 0.60 1900 0.69 1019 2000 0.78 1054 Med static High static 1200 1140 0.92 1210 1300 1162 0.99...
Page 77 APPENDIX III. FAN PERFORMANCE (cont.) Table 35 – 548J*06A 1500 0.33 1625 0.40 1750 0.48 1875 0.57 2000 0.66 2125 0.78 1027 2250 0.90 1067 2375 1018 1.03 1107 2500 1061 1.19 1148 Med static High static 1500 1172 1.06...
Page 78 APPENDIX III. FAN PERFORMANCE (cont.) Table 37 – 548J*07A 1800 0.51 1950 0.62 2100 0.75 1019 2250 0.90 1067 2400 1026 1.06 1115 2550 1079 1.25 1164 2700 1132 1.46 1214 2850 1186 1.69 1264 3000 1240 1.94 1315 Std static...
Page 79 APPENDIX III. FAN PERFORMANCE (cont.) Table 39 – 548J*08D 2250 0.28 2438 0.34 2625 0.40 2813 0.47 3000 0.55 3188 0.65 3375 0.75 3563 0.86 3750 0.99 Std static Med static High static 2250 0.94 2438 1.03 2625 1.13 2813 1.24...
Page 80 APPENDIX III. FAN PERFORMANCE (cont.) Table 41 – 548J*09D 2550 0.39 2763 0.47 2975 0.57 3188 0.68 3400 0.80 3613 0.94 3825 1.09 4038 1.26 4250 1.45 Std static Med static High static 2550 1.11 2763 1.24 2975 1.37 3188 1.53...
Page 81 APPENDIX III. FAN PERFORMANCE (cont.) Table 43 – PULLEY ADJUSTMENT Unit Motor/Drive Combo Medium Static 1251 High Static 1466 Medium Static 1303 High Static 1466 Medium Static 1380 High Static 1639 Standard Static 1192 Medium Static 1380 High Static 1639 Standard Static Medium Static High Static...
Page 82: Appendix Iv. Electrical Information
APPENDIX IV. ELECTRICAL INFORMATION Table 44 – 548J*04A VOLTAGE COMP (ea) RANGE V- - Ph- - Hz 208- -1- -60 17.9 230- -1- -60 17.9 208- -3- -60 13.2 230- -3- -60 13.2 460- -3- -60 575- -3- -60 Table 45 – 548J*05A...
Page 83 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 47 – 548J*07A VOLTAGE COMP (ea) RANGE V ---Ph---Hz 208--- 3--- 60 19.0 230--- 3--- 60 19.0 460--- 3--- 60 575--- 3--- 60 Table 48 – 548J*08D COMP (Cir 1) VOLTAGE RANGE V ---Ph---Hz 208--- 3--- 60 13.1...
Page 84 APPENDIX IV. ELECTRICAL INFORMATION (cont.) ELECTRIC HEATER TYPE (kW) 3.3/4.4 15.9/18.3 4.9/6.5 23.5/27.1 6.5/8.7 31.4/36.3 7.9/10.5 37.9/43.8 9.8/13.0 46.9/54.2 3.3/4.4 9.2/10.6 4.9/6.5 13.6/15.6 6.5/8.7 18.1/20.9 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 3.3/4.4 9.2/10.6 4.9/6.5 13.6/15.6 6.5/8.7 18.1/20.9 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 3.3/4.4 9.2/10.6 4.9/6.5 13.6/15.6...
Page 85 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 3.3/4.4 15.9/18.3 4.9/6.5 23.5/27.1 6.5/8.7 31.4/36.3 7.9/10.5 37.9/43.8 9.8/13.0 46.9/54.2 3.3/4.4 9.2/10.6 4.9/6.5 13.6/15.6 6.5/8.7 18.1/20.9 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 3.3/4.4 9.2/10.6 4.9/6.5 13.6/15.6 6.5/8.7 18.1/20.9...
Page 86 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 3.3/4.4 15.9/18.3 6.5/8.7 31.4/36.3 9.8/13.0 46.9/54.2 13.1/17.4 62.8/72.5 15.821.0 75.8/87.5 4.9/6.5 13.6/15.6 6.5/8.7 18.1.20.9 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5 4.9/6.5 13.6/15.6 6.5/8.7 18.1.20.9 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5...
Page 87 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 3.3/4.4 15.9/18.3 6.5/8.7 31.4/36.3 9.8/13.0 46.9/54.2 13.1/17.4 62.8/72.5 15.821.0 75.8/87.5 4.9/6.5 13.6/15.6 6.5/8.7 18.1.20.9 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5 4.9/6.5 13.6/15.6 6.5/8.7 18.1.20.9 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5...
Page 88 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 4.9/6.5 23.5/27.1 6.5/8.7 31.4/36.3 9.8/13.0 46.9/54.2 13.1/17.4 62.8/72.5 15.821.0 75.8/87.5 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5 19.9/26.5 55.2/63.8 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5...
Page 89 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 4.9/6.5 23.5/27.1 6.5/8.7 31.4/36.3 9.8/13.0 46.9/54.2 13.1/17.4 62.8/72.5 15.821.0 75.8/87.5 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5 19.9/26.5 55.2/63.8 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5...
Page 90 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5 19.9/26.5 55.2/63.8 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5 19.9/26.5 55.2/63.8 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 HIGH 12.0/16.0...
Page 91 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5 19.9/26.5 55.2/63.8 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 12.0/16.0 33.4/38.5 15.8/21.0 43.8/50.5 19.9/26.5 55.2/63.8 4.9/6.5 13.6/15.6 7.9/10.5 21.9/25.3 HIGH 12.0/16.0...
Page 92 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 18.6/24.8 51.7/59.7 24.0/32.0 66.7/77.0 31.8/42.4 88.4/102.0 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 18.6/24.8 51.7/59.7 24.0/32.0 66.7/77.0 31.8/42.4 88.4/102.0 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 HIGH 18.6/24.8...
Page 93 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 18.6/24.8 51.7/59.7 24.0/32.0 66.7/77.0 31.8/42.4 88.4/102.0 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 18.6/24.8 51.7/59.7 24.0/32.0 66.7/77.0 31.8/42.4 88.4/102.0 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 HIGH 18.6/24.8...
Page 94 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 18.6/24.8 51.7/59.7 24.0/32.0 66.7/77.0 31.8/42.4 88.4/102.0 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 18.6/24.8 51.7/59.7 24.0/32.0 66.7/77.0 31.8/42.4 88.4/102.0 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 HIGH 18.6/24.8...
Page 95 APPENDIX IV. ELECTRICAL INFORMATION (cont.) Table 50 — Unit Wire/MOCP Sizing Data (cont) ELECTRIC HEATER TYPE (kW) 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 18.6/24.8 51.7/59.7 24.0/32.0 66.7/77.0 31.8/42.4 88.4/102.0 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 18.6/24.8 51.7/59.7 24.0/32.0 66.7/77.0 31.8/42.4 88.4/102.0 7.8/10.4 21.7/25.0 12.0/16.0 33.4/38.5 HIGH 18.6/24.8...
Page 96: Appendix V. Wiring Diagram List
= 1.76% This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%. IMPORTANT: If the supply voltage phase imbalance is more than 2%, contact your local electric utility company immediately. 548J***A CONTROL POWER 48TM501434.02 48TM501435.02 48TM501434.02...
Page 97: Appendix Vi. Motormaster Sensor Locations
APPENDIX VI. MOTORMASTER SENSOR LOCATIONS Sensor Location Fig. 81 - - 548J*04A Outdoor Circuiting Sensor Location Fig. 82 - - 548J*05A Outdoor Circuiting C09191 Fig. 83 - - 548J*06A Outdoor Circuiting C09192 Fig. 84 - - 548J*07A Outdoor Circuiting Sensor...
Page 98 APPENDIX VI. (cont) MOTORMASTER SENSOR LOCATIONS E2009 Bryant Heating & Cooling Systems D 7310 W. Morris St. D Indianapolis, IN 46231 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Page 99: Preliminary Information
I. PRELIMINARY INFORMATION MODEL NO.: DATE: II. PRE-START-UP (insert checkmark in box as each item is completed) j VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE j VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT j REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS j VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS j CHECK REFRIGERANT PIPING FOR INDICATIONS OF LEAKS;...
Page 100 E2009 Bryant Heating & Cooling Systems D 7310 W. Morris St. D Indianapolis, IN 46231 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Printed in U.S.A. Edition Date: 06/09 Catalog No.

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