Bryant 581J-17-28 Service And Maintenance Instructions
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Bryant 581J-17-28 Service And Maintenance Instructions

Bryant 581J-17-28 Service And Maintenance Instructions

Gas heat rooftop package nominal 15 to 25 tons with puron (r-410a) refrigerant
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581J-17-28
Gas Heat Rooftop Package
Nominal 15 to 25 Tons
With Puron ® (R-410A) Refrigerant
Service and Maintenance Instructions

TABLE OF CONTENTS

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SAFETY CONSIDERATIONS

6
Installation and servicing of air-conditioning equipment
can be hazardous due to system pressure and electrical
6
components. Only trained and qualified service personnel
should
install,
8
equipment. Untrained personnel can perform the basic
9
maintenance functions of replacing filters. Trained service
personnel should perform all other operations.
11
When working on air-conditioning equipment, observe
precautions in the literature, tags and labels attached to
16
the unit, and other safety precautions that may apply.
18
Follow all safety codes. Wear safety glasses and work
gloves. Use quenching cloth for unbrazing operations.
19
Have
fire
extinguishers
20
operations.
21
Follow all safety codes. Wear safety glasses and work
23
gloves. Use quenching cloth for brazing operations. Have
fire extinguisher available. Read these instructions
25
thoroughly and follow all warnings or cautions attached to
26
the unit. Consult local building codes and National
Electrical Code (NEC) for special requirements.
27
Recognize safety information. This is the safety−alert
33
symbol
. When you see this symbol on the unit and in
34
instructions or manuals, be aware of the potential for
35
physical injury hazards.
37
Understand the signal words DANGER, WARNING, and
CAUTION. These words are used with the safety−alert
47
symbol. DANGER identifies a hazardous situation which,
55
if not avoided, will result in death or severe personal
injury. WARNING indicates a hazardous situation which,
56
if not avoided, could result in death or personal injury.
58
CAUTION indicates a hazardous situation which, if not
avoided, could result in minor
58
product and property damage. NOTICE is used to address
practices not related to physical injury. NOTE is used to
59
highlight suggestions which will result in enhanced
installation, reliability, or operation.
60
66
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. . . . . . . . . . . . . . . . . .
repair,
or
service
air-conditioning
available
for
to moderate injury or
71
82
83
all
brazing

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  • Page 1: Table Of Contents

    581J-17-28 Gas Heat Rooftop Package Nominal 15 to 25 Tons With Puron ® (R-410A) Refrigerant Service and Maintenance Instructions TABLE OF CONTENTS APPENDIX IV. WIRING DIAGRAMS ... . APPENDIX V. MOTORMASTER SENSOR SAFETY CONSIDERATIONS .
  • Page 2 CAUTION CAUTION CUT HAZARD UNIT DAMAGE HAZARD Failure to follow this caution may result in personal Failure to follow this caution can result in reduced injury. unit performance or unit shutdown. Sheet metal parts may have sharp edges or burrs. Use High velocity water from a pressure washer, garden care and wear appropriate protective clothing, safety hose, or compressed air should never be used to clean...

  • Page 3: Unit Arrangement And Access

    UNIT ARRANGEMENT AND Seasonal Maintenance ACCESS These items should be checked at the beginning of each season (or more often if local conditions and usage General patterns dictate): Fig. 1 and Fig. 2 show general unit arrangement and Air Conditioning access locations.

  • Page 4: Supply Fan (Blower) Section

    Removing the Return Air Filters Supply Fan Assembly 1. Remove the return air filter and indoor coil access The supply fan system consists of two forward−curved panel. See Fig. 1. centrifugal blower wheels mounted on a solid blower shaft 2. Reach inside and remove filters from the filter rack. that is supported by two greasable pillow block concentric 3.
  • Page 5 1. Loosen the four motor mounting nuts that attach the around the fixed flange side that increases or reduces the motor to the blower rail. pitch diameter of this driver pulley. (See Fig. 6.) 2. Loosen the two jack bolt locking nuts beneath the As the pitch diameter is changed by adjusting the position motor mounting plate.

  • Page 6: 2−Speed Indoor Fan Motor System With

    Bearings Unit Installation with 2−Speed Fan Option This fan system uses bearings featuring concentric split 581J Rooftop—Refer to the base unit installation locking collars. The collars are tightened through a cap instructions for standard required operating and service screw bridging the split portion of the collar. The cap clearances.
  • Page 7 Replacing the Motor 21. Set the new motor and motor mounting bracket back onto the unit. See Fig. 10. 1. Turn off all electrical power to the unit. Use approved 22. Install four bolts, four flat washers, four new lock lockout/tagout procedures on all electrical power washers and four nuts attaching the motor assembly sources.

  • Page 8: Condenser Coil Service

    This EXAMPLE: cleaner available from Bryant Replacement – Pulley dimensions 2.9 to 3.9 (full close to full open) Components Division as p/n: P902- 0301 for one-gallon – 3.9 - 2.9 = 1 (3.8L) container, and P902- 0305 for a 5-gallon (18.9L)

  • Page 9: Evaporator Coils

    TotalineR environmentally sound coil cleaner is a non- flammable, hypo allergenic, non bacterial, USDA accept- ed biodegradable agent that will not harm the coil or sur- rounding components such as electrical wiring, painted metal surfaces, or insulation. Use of non−recommended coil cleaners is strongly discouraged since coil and unit durability could be affected.
  • Page 10 1. Proper protection such as safety glasses, gloves and coil cleaner is essential to extend the life of the coils. This protective clothing are recommended during mixing cleaner is available from Bryant Replacement Parts and application. Division (p/n: P902- 0301 for one-gallon (3.8L) container, 2.

  • Page 11: Perfect Humidity

    Service requires replacing the entire liquid header The brass fittings are two−piece High Flow valves, with a assembly. receptacle base brazed to the tubing and an integral spring−closed check valve core screwed into the base (See To check for possible blockage of one or more of these Fig.
  • Page 12 Reheat Mode This mode is used when dehumidification is required without a need for cooling, such as when the outside air is at a neutral temperature, but high humidity exists. This si- tuation requires the equipment to operate at a low SHR of 0.0 to 0.2.
  • Page 13 RH2.x VALVE RH1.x VALVE HUMIDI-MIZER COIL CONDENSER COIL OUTDOOR AIR COMPRESSOR VALVE EVAPORATOR COIL = CLOSED VALVE INDOOR AIR = OPEN VALVE = 3-WAY VALVE C07122A Fig. 16 − Normal Cooling Mode – Perfect Humidity] System RH2.x VALVE RH1.x VALVE HUMIDI-MIZER COIL CONDENSER COIL OUTDOOR AIR...
  • Page 14 Table 2 – Perfect Humidity] Reheat Control Board I/O Connection Unit Point Name Type Note Pin Number Connection Humidistat/LTLO DI, 24VAC J1A - 1 (1) LTLO Thermostat W1 DI, 24VAC J1A - 2 (2) CTB - REHEAT - 4 Econ Y1 DI, 24VAC J1A - 6 (6) CTB - REHEAT - 5...
  • Page 15 Table 4 – Perfect Humidity] Troubleshooting PROBLEM CAUSE REMEDY General cooling mode problem See Cooling Service Troubleshooting (Table 4). No dehumidification demand See No Dehumidification Demand, below. Subcooling Reheat Mode Will Not Activate CRC relay operation See CRC Relay Operation, below. Circuit RLV, CLV or LDV valve problem See CLV, RLV or LDV Valve Operation, below.

  • Page 16: Thermostatic Expansion Valve (Txv)

    THERMOSTATIC EXPANSION bi-flow, bleed port expansion valve with an external equalizer. TXVs are specifically designed to operate with VALVE (TXV) PuronR or R-22 refrigerant, use only factory authorized TXVs. All 581J’s have a factory installed nonadjustable thermostatic expansion valve (TXV). The TXV will be a CAPILLARY TUBE DIAPHRAGM PUSHRODS...
  • Page 17 9. Attach the equalizer tube to the suction line. If the 13. Check for leaks. replacement TXV has a flare nut on its equalizer line, 14. Evacuate the system completely and then recharge. use a tubing cutter to remove the mechanical flare nut 15.

  • Page 18: Puronr (R−410A) Refrigerant

    PURONR (R−410A) REFRIGERANT GTAC2-5. After evacuating the system, weigh in the specified amount of refrigerant as listed on the unit's This unit is designed for use with PuronR (R−410A) rating plate. refrigerant. Do not use any other refrigerant in this system.

  • Page 19: Cooling Charging Charts

    COOLING CHARGING CHARTS COOLING CHARGING CHART 17.5 Ton - Circuit A 115F / 46.1C 185.0 105F / 40.6C 175.0 95F / 35.0C 85F / 29.4C 165.0 75F / 23.9C 65F / 18.3C 155.0 55F / 12.8C 45F / 7.2C 145.0 135.0 125.0 115.0...

  • Page 20: Cooling Charging Charts (Cont.)

    COOLING CHARGING CHARTS (cont.) COOLING CHARGING CHART 20 Ton - Circuit A 115F / 46.1C 185.0 105F / 40.6C 175.0 95F / 35.0C 85F / 29.4C 165.0 75F / 23.9C 65F / 18.3C 155.0 55F / 12.8C 45F / 7.2C 145.0 135.0 125.0...

  • Page 21: Cooling Charging Charts (Cont.)

    COOLING CHARGING CHARTS (cont.) COOLING CHARGING CHART 25.0 Ton - Circuit A 115F / 46.1C 180.0 105F / 40.6C 95F / 35.0C 170.0 85F / 29.4C 75F / 23.9C 160.0 65F / 18.3C 55F / 12.8C 150.0 45F / 7.2C 140.0 130.0 120.0...
  • Page 22 COOLING CHARGING CHART 28 Ton - Circuit A 115F / 46.1C 105F / 40.6C 180.0 95F / 35.0C 170.0 85F / 29.4C 75F / 23.9C 65F / 18.3C 160.0 55F / 12.8C 45F / 7.2C 150.0 140.0 130.0 120.0 110.0 100.0 90.0 80.0...

  • Page 23: Compressors

    COMPRESSORS CAUTION Lubrication UNIT DAMAGE HAZARD The compressor is charged with the correct amount of oil Failure to follow this caution may result in damage to at the factory. components. The compressor is in a PuronR refrigerant system and WARNING uses a polyolester (POE) oil.
  • Page 24 1. Using a PuronR (R410) gauge set, recover all refrig­ erant from the system. 2. Use a tubing cutter to remove the filter drier from the line. NOTE: Do Not use a torch to remove the old filter drier. The heat from the torch will allow contaminants into the air and into the open refrigeration system.

  • Page 25: Troubleshooting The Cooling System

    TROUBLESHOOTING THE COOLING SYSTEM Refer to Table 5 for additional troubleshooting topics. Table 5 – Cooling Service Troubleshooting PROBLEM CAUSE REMEDY Power failure. Call power company. Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker. Defective thermostat, contactor, transformer, or Replace defective component.

  • Page 26: Convenience Outlets

    CONVENIENCE OUTLETS WARNING ELECTRICAL OPERATION HAZARD Failure to follow this warning could result in personal injury or death. Units with convenience outlet circuits may use multiple disconnects. Check convenience outlet for power status before opening unit for service. Locate its disconnect switch, if appropriate, and open it. Tag−out this switch, if necessary.

  • Page 27: Smoke Detectors

    The primary leads to the convenience outlet transformer GFCI RECEPTACLE NOT INCLUDED COVER - WHILE-IN-USE are not factory−connected. Selection of primary power WEATHERPROOF source is a customer−option. If local codes permit, the transformer primary leads can be connected at the line−side terminals unit−mounted...
  • Page 28 Controller through the sensing chamber. When a sufficient amount of smoke is detected in the sensing chamber, the sensor The controller (see Fig. 34) includes a controller housing, signals an alarm state and the controller automatically a printed circuit board, and a clear plastic cover. The takes the appropriate action to shut down fans and controller can be connected to one or two compatible duct blowers, change over air handling systems, notify the fire...
  • Page 29 FIOP Smoke Detector Wiring and Response All units: The FIOP smoke detector is configured to automatically shut down all unit operations when a smoke condition is detected. See Fig. 39, Smoke Detector SUPPLY AIR SMOKE Wiring. DETECTOR SENSOR Highlight A: The JMP 3 is factory−cut, transferring unit control to the smoke detector.
  • Page 30 RETURN AIR SENSOR (Operating Position Shown) CONTROLLER MODULE SCREWS (2) SAMPLE TUBE C12050 Fig. 38 − Return Air Sampling Tube Location in Unit with Economizer 48TM502525 C12559 Fig. 39 − Typical Smoke Detector System Wiring...
  • Page 31 Sensor and Controller Tests NOTICE Sensor Alarm Test OPERATIONAL TEST NOTICE The sensor alarm test checks a sensor’s ability to signal an alarm state. This test requires that you use a field provided Failure to follow this NOTICE may result in an unnecessary evacuation of the facility.
  • Page 32 Changing the Dirt Sensor Test By default, sensor dirty test results are indicated by: S The sensor’s Dirty LED flashing. S The controller’s Trouble LED flashing. S The controller’s supervision relay contacts toggle. The operation of a sensor’s dirty test can be changed so that the controller’s supervision relay is not used to indicate test results.

  • Page 33: Indicators

    Alarm State NOTICE The smoke detector enters the alarm state when the amount of smoke particulate in the sensor’s sensing OPERATIONAL TEST NOTICE chamber exceeds the alarm threshold value. (See Table 7.) Failure to follow this NOTICE can result in an Upon entering the alarm state: unnecessary evacuation of the facility.

  • Page 34: Protective Devices

    Table 7 – Detector Indicators CONTROL OR INDICATOR DESCRIPTION Resets the sensor when it is in the alarm or trouble state. Activates or tests the sensor when it is in Magnetic test/reset switch the normal state. Alarm LED Indicates the sensor is in the alarm state. Trouble LED Indicates the sensor is in the trouble state.

  • Page 35: Rtu−Open Control System

    The RTU Open controller is an integrated component of overcurrent protection device. This device resets Bryant rooftop unit. internal application automatically. Do not bypass this switch to correct programming provides optimum performance and energy trouble. Determine the cause and correct it.
  • Page 36 IMPORTANT: Refer to the specific sensor or accessory Additional RTU−OPEN Installation and instructions for its proper installation and for rooftop unit Troubleshooting installation refer to base unit installation instructions and the unit’s wiring diagrams. Additional installation, wiring troubleshooting information for the RTU−OPEN Controller can be found WARNING in the following manuals: “Controls, Start−up, Operation and Troubleshooting Instructions,”...

  • Page 37: Gas Heating System

    GAS HEATING SYSTEM Fuel Types and Pressures Natural Gas General The 581J unit is factory−equipped for use with Natural The heat exchanger system consists of a gas valve feeding Gas fuel at elevation under 2000 ft (610 m). See section multiple inshot burners off a manifold.
  • Page 38 Supply Pressure Switch LP LPS The LP conversion kit includes a supply low pressure J2-11 switch. The switch contacts (from terminal C to terminal NO [Normally Open]) will open the gas valve power whenever the supply line pressure drops below the setpoint.
  • Page 39 HEATER TUBE ASSEMBLY SEAL STRIPS (SPONGE RUBBER) REGULATOR GASKET REGULATOR RETAINER WIND CAP ASSEMBLY (SHOWN INVERTED AS SHIPPED) SUPPORT INSULATION ASSEMBLY VESTIBULE PLATE INDUCER FAN MOTOR ASSEMBLY BURNER ASSEMBLY GAS VALVE C08227 Fig. 49 − Typical Heat Exchanger Assembly Burners and Igniters Orifice Projection Refer to Fig.
  • Page 40 8. Slide the burner tray out of the unit (Fig. 52). WARNING 9. To reinstall, reverse the procedure outlined above. PERSONAL INJURY HAZARD Cleaning and Adjustment Failure to follow this WARNING can result in 1. Remove the burner rack from the unit as described in personal injury.
  • Page 41 IGNITER AND SENSOR LOCATIONS (BRACKET HEAT COVER NOT SHOWN FOR CLARIY 9 CELL 50HE400026 0.12 - 0.14” 0.18” (4.60 mm) (3.05 - 3.56 mm) SPARK GAP NOTE: SPARK GAP MUST BE AT THE BOTTOM OF THE BURNER. C12546 Fig. 54 − Typical MRT Spark Adjustment IGC Board IGC Board C10337...
  • Page 42 7. When the main burners ignite, check all fittings, man- indicates orifice reference size). When replacing unit ifold, and orifices for leaks. orifices, order the necessary parts through the Bryant 8. Adjust the high−stage pressure to the specified setting replacement parts division. See Table 14 for available by turning the plastic adjustment screw clockwise to orifice sizes.
  • Page 43 C10339 Fig. 56 − Typical IGC Wiring Diagram Red LED-Status C08452 Fig. 57 − Integrated Gas Control (IGC) Board...
  • Page 44 Table 15 – IGC Connections TERMINAL LABEL POINT DESCRIPTION SENSOR LOCATION TYPE OF I/O PIN NUMBER INPUTS RT, C Input power from TRAN 1 control box 24 VAC — Speed sensor gas section analog input J1, 1‐3 FS, T1 Flame sensor gas section switch input —...
  • Page 45 Minimum heating entering air temperature Thermostat LCTB When operating on first stage heating, the minimum temperature of air entering the dimpled heat exchanger is OALT 50_F (10_C) continuous and 45_F (7_C) intermittent for standard heat exchangers and 40_F (4_C) continuous and 35_F (2_C) intermittent...
  • Page 46 Table 19 – IGC Board LED Alarm Codes ACTION TAKEN BY FLASH DESCRIPTION RESET METHOD PROBABLE CAUSE CONTROL CODE Normal Operation — — — Loss of power to the IGC. Check 5 amp fuse on IGC, power to unit, 24V circuit Hardware Failure No gas heating.

  • Page 47: Economi$Er Systems

    ECONOMI$ER SYSTEMS ECONOMIER IV CONTROLLER IMPORTANT: economizer that meets OUTSIDE AIR WIRING TEMPERATURE SENSOR economizer requirements as laid out in California’s Title HARNESS LOW AMBIENT mandatory section 120.2 (fault detection and SENSOR ACTUATOR diagnostics) and/or prescriptive section 140.4 (life−cycle tests, damper leakage, 5 year warranty, sensor accuracy, etc), will have a label on the economizer.
  • Page 48 BLACK TRANSFORMER GROUND BLUE 500 OHM RESISTOR VIOLET NOTE 1 PINK OAT SENSOR 24 VAC NOTE 3 50HJ540573 ACTUATOR ASSEMBLY 4-20 mA WHITE DIRECT DRIVE TO J9 ON 4-20mA SIGNAL ACTUATOR PremierLink BOARD ECONOMISER2 PLUG NOTES: 1. Switch on actuator must be in run position for economizer to operate. 2.
  • Page 49 C06053 Fig. 62 − EconoMi$er IV Functional View EconoMi$er IV Standard Sensors SUPPLY AIR TEMPERATURE Table 20 provides a summary of EconoMi$er IV. SENSOR MOUNTING LOCATION Troubleshooting instructions are enclosed. A functional view of the EconoMi$er is shown in Fig. 62. Typical SUPPLY AIR settings, sensor ranges, and jumper positions are also TEMPERATURE...
  • Page 50 Outdoor Dry Bulb Changeover The standard controller is shipped from the factory configured for outdoor dry bulb changeover control. The outdoor air and supply air temperature sensors are included as standard. For this control mode, the outdoor temperature is compared to an adjustable setpoint selected on the control.
  • Page 51 (29) (32) (3 ) (3 ) (41) (43) CONTROL CONTROL POINT CURVE APPROX. deg. F (deg. C) AT 50% RH (27) 73 (23) 7 (21) 7 (19) 3 (17) (24) (21) (1 ) (1 ) (13) (1 ) HIGH LIMIT CURVE (1 ) (13)
  • Page 52 voltage output of the indoor air quality sensor at the Adjust the minimum position potentiometer to allow the user-determined setpoint. See Fig. 70. minimum amount of outdoor air, as required by local codes, to enter the building. Make minimum position CO SENSOR MAX RANGE SETTING adjustments with at least 10_F temperature difference 6000...
  • Page 53 See Table 21. the following conditions: a zone with a large area, varied Use setting 1 or 2 for Bryant equipment. See Table 21. occupancy, and equipment that cannot exceed the required 1. Press Clear and Mode buttons. Hold at least 5 ventilation rate at design conditions.
  • Page 54 The custom settings of the CO sensor can be changed 4. Remove 620−ohm resistor across SO and +. The Free anytime after the sensor is energized. Follow the steps Cool LED should turn off. below to change the non-standard settings: 5.

  • Page 55: Pre−Start−Up/Start−Up

    PRE−START−UP/START−UP 7. Remove the jumper from TR and N. The actuator should drive fully closed. WARNING 8. Return EconoMi$er IV settings and wiring to normal after completing troubleshooting. PERSONAL INJURY HAZARD Supply−Air Sensor Input Failure to follow this warning could result in personal To check supply−air sensor input: injury or death.

  • Page 56: Start−Up, General

    3. Make the following inspections: WARNING a. Inspect for shipping and handling damages such as broken lines, loose parts, or disconnected FIRE, EXPLOSION HAZARD wires, etc. Failure to follow this b. Inspect for oil at all refrigerant tubing connec- warning could result in tions and on unit base.
  • Page 57 Refrigerant Service Ports Refer to Tables 16 and 17 for the correct orifice to use at high altitudes. Each unit system has two 1/4” SAE flare (with check valves) service ports: one on the suction line, and one on Heating the compressor discharge line.

  • Page 58: Start−Up, Rtu−Open Controls

    START−UP, RTU−OPEN CONTROLS Ventilation (Continuous Fan) Set fan and system selector switches at ON and OFF NOTICE positions, respectively. Evaporator operates continuously to provide constant air circulation. When the SET−UP INSTRUCTIONS evaporator−fan selector switch is turned to the OFF position, there is a 30−second delay before the fan turns Refer to the following manuals for additional off.

  • Page 59: Appendix I. Model Number Nomenclature

    R = Cu/Cu - AI/Cu - Louvered Hail Guards G = High Static, High Effy Motor, Horizontal S = Cu/Cu - Cu/Cu - Louvered Hail Guards Not all possible options can be displayed above - see price pages or contact your Bryant Sales representative for more details C14219...

  • Page 60: Appendix Ii. Physical Data

    APPENDIX II. PHYSICAL DATA Table 23 – PHYSICAL DATA (COOLING) VERTICAL 15 − 25 TONS 558J-D17 558J-E17 558J-D20 558J-E20 Refrigeration System RTPF RTPF RTPF RTPF # Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll R-410a charge A/B (lbs)
  • Page 61 APPENDIX II. PHYSICAL DATA Table 23 (cont.) − PHYSICAL DATA (COOLING) VERTICAL 15 − 25 TONS 558J-D24 558J-E24 558J-D28 558J-E28 Refrigeration System RTPF RTPF RTPF RTPF # Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll R-410a charge A/B (lbs)
  • Page 62 APPENDIX II. PHYSICAL DATA (CONT’D) Table 24 − PHYSICAL DATA (COOLING) HORIZONTAL 15 − 25 TONS 558J-D17 558J-E17 558J-D20 558J-E20 Refrigeration System RTPF RTPF RTPF RTPF # Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll R-410a charge A/B (lbs)
  • Page 63 APPENDIX II. PHYSICAL DATA (CONT’D) Table 24 (cont.) − PHYSICAL DATA (COOLING) HORIZONTAL 15 − 25 TONS 558J-D24 558J-E24 558J-D28 558J-E28 Refrigeration System RTPF RTPF RTPF RTPF # Circuits / # Comp. / Type 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll 2 / 2 / Scroll R-410a charge A/B (lbs)
  • Page 64 APPENDIX II. PHYSICAL DATA (CONT’D) Table 24 (cont.) − PHYSICAL DATA (COOLING) 15 − 25 TONS 558J*17 558J*20 558J*24 558J*28 Condenser Coil (Circuit A) Coil type RTPF RTPF RTPF RTPF Coil Length (in) Coil Height (in) Rows FPI (fins per inch) 2 / 17 2 / 17 2 / 17...
  • Page 65 APPENDIX II. PHYSICAL DATA (CONT’D) Table 24 − PHYSICAL DATA (HEATING) 15 − 25 TONS 581J*D17 581J*D20 581J*D24 581J*D28 Gas Connection # of Gas Valves Nat. gas supply line press (in. w.g.)/(PSIG) 5 -13 / 0.18 - 0.47 5 -13 / 0.18 - 0.47 5 -13 / 0.18 - 0.47 5 -13 / 0.18 - 0.47 Propane supply line press (in.

  • Page 66: Appendix Iii. Fan Performance

    APPENDIX III. FAN PERFORMANCE Table 24 – 581J*D17 VERTICAL SUPPLY / RETURN 15 TON Available External Static Pressure (in. wg) 4500 0.77 1.09 1.43 1.80 2.19 4900 0.93 1.27 1.64 2.03 2.44 5250 1.10 1.45 1.84 2.24 2.67 5650 1.32 1.68 2.09 2.51...
  • Page 67 APPENDIX III. FAN PERFORMANCE (cont.) Table 26 – 581J*D24 VERTICAL SUPPLY / RETURN 20 TON Available External Static Pressure (in. wg) 6000 1.25 1.56 1.89 2.22 2.57 6500 1.52 1.87 2.21 2.57 2.94 7000 1.85 2.21 2.58 2.96 3.35 7500 2.21 2.60 3.00...
  • Page 68 APPENDIX III. FAN PERFORMANCE (cont.) Table 28 – 581J*D17 HORIZONTAL SUPPLY / RETURN 15 TON Available External Static Pressure (in. wg) 4500 1.25 1.76 2.31 2.89 3.51 4900 1.51 2.05 2.64 3.26 3.91 5250 1.78 2.35 2.96 3.61 4.29 5650 2.13 2.73 3.37...
  • Page 69 APPENDIX III. FAN PERFORMANCE (cont.) Table 30 – 581J*D24 HORIZONTAL SUPPLY / RETURN 20 TON Available External Static Pressure (in. wg) 6000 1.92 2.44 2.98 3.53 4.10 6500 2.34 2.90 3.48 4.07 4.67 7000 2.83 3.43 4.05 4.67 5.31 7500 3.39 4.03 4.68...
  • Page 70 Table 32 – Pulley Adjustment − Vertical Motor Pulley Turns Open MODEL Motor/Drive Combo SIZE Standard Static Medium Static Phase High Static 1009 Standard Static Medium Static Phase High Static 1078 1058 1039 1019 1000 Standard Static Medium Static 1021 1002 Phase High Static...

  • Page 71: Appendix Iv. Wiring Diagrams

    APPENDIX IV. WIRING DIAGRAMS Table 34 – Wiring Diagrams 581J−D17 / 581J−D28 UNITS DUAL CIRCUIT PERFECT HUMIDITY] SIZE VOLTAGE CONTROL POWER CONTROL POWER 208/230-3-60 50HE500751-K 50HE500889-J 50HE502181-F 50HE502186-C 460-3-60 50HE500751-K 50HE500752-J 50HE502181-F 50HE502183-D 575-3-60 50HE500751-K 50HE500888-J 50HE502181-F 50HE502184-D 208/230-3-60 50HE500751-K 50HE500889-J 50HE502181-F 50HE502186-C...
  • Page 72 APPENDIX IV. WIRING DIAGRAMS (cont.) C160041 Fig. 71 − 581J D17 − D28 Control Diagram − 208/230−3060; 460/575−3−60...
  • Page 73 APPENDIX IV. WIRING DIAGRAMS (cont.) C160042 Fig. 72 − 581J D17 − D28 Power Diagram − 208/230−3−60...
  • Page 74 APPENDIX IV. WIRING DIAGRAMS (cont.) C160043 Fig. 73 − 581J D17 − D28 Power Diagram − 460−3−60...
  • Page 75 APPENDIX IV. WIRING DIAGRAMS (cont.) C160044 Fig. 74 − 581J D17 − D28 Power Diagram − 575−3−60...
  • Page 76 APPENDIX IV. WIRING DIAGRAMS (cont.) C160045 Fig. 75 − 581J D17 − D28 Control Diagram with Perfect Humidity]...
  • Page 77 APPENDIX IV. WIRING DIAGRAMS (cont.) C160046 Fig. 76 − 581J D17 − D28 Power Diagram 208/230−3−60 with Perfect Humidity]...
  • Page 78 APPENDIX IV. WIRING DIAGRAMS (cont.) C160047 Fig. 77 − 581J D17 − D28 Power Diagram 460−3−60 with Perfect Humidity]...
  • Page 79 APPENDIX IV. WIRING DIAGRAMS (cont.) C160048 Fig. 78 − 581J D17 − D28 Power Diagram 575−3−60 with Perfect Humidity]...
  • Page 80 APPENDIX IV. WIRING DIAGRAMS (cont.) C160049 Fig. 79 − RTU−OPEN Wiring Diagram...
  • Page 81 APPENDIX IV. WIRING DIAGRAMS (cont.) C160050 Fig. 80 − RTU−OPEN Wiring Diagram with Perfect Humidity]...

  • Page 82: Appendix V. Motormaster Sensor Locations

    LOCATION C12259 Fig. 82 − Motormaster Sensor Location − D28 Copyright 2016 Bryant Heating and Cooling Systems S 7310 W. Morris St. S Indianapolis, IN 46231 Catalog No: SM581J-17-28-01 Edition Date: 05/16 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

  • Page 83: Unit Start-Up Checklist

    UNIT START-UP CHECKLIST I. PRELIMINARY INFORMATION: MODEL NO.: SERIAL NO: _____________________________________ DATE: ______________ TECHNICIAN: ___________________________________ II. PRE-START-UP (insert check mark in box as each item is completed): VERIFY THAT JOBSITE VOLTAGE AGREES WITH VOLTAGE LISTED ON RATING PLATE VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS VERIFY THAT FLUE HOOD IS INSTALLED...
  • Page 84 Copyright 2016 Bryant Heating and Cooling Systems S 7310 W. Morris St. S Indianapolis, IN 46231 Catalog No: SM581J-17-28-01 Edition Date: 05/16 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations. Replaces: NEW...

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