Bryant 3-PHASE 601A Installation And Service Instructions Manual
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Bryant 3-PHASE 601A Installation And Service Instructions Manual

Bryant 3-PHASE 601A Installation And Service Instructions Manual

3-phase single-packaged heat pumps
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NOTE: Read the entire instruction manual before starting the
installation.
SAFETY CONSIDERATIONS .....................................................1
INTRODUCTION ..........................................................................2
RECEIVING AND INSTALLATION ..........................................2
Check Equipment......................................................................2
IDENTIFY UNIT ................................................................2
INSPECT SHIPMENT ........................................................2
Provide Unit Support ................................................................2
ROOF CURB.......................................................................2
SLAB MOUNT ...................................................................2
GROUND MOUNT ............................................................2
Provide Clearances....................................................................2
Rig and Place Unit....................................................................2
INSPECTION ......................................................................2
INSTALLATION ................................................................2
Select and Install Ductwork .....................................................5
Provide for Condensate Disposal .............................................7
Install Electrical Connections...................................................7
HIGH-VOLTAGE CONNECTIONS..................................9
ROUTING POWER LEADS INTO UNIT ......................14
PRE-START-UP ..........................................................................15
START-UP ...................................................................................15
Check for Refrigerant Leaks ..................................................15
Start-Up Adjustments..............................................................15
CONTROL OPERATION.................................................15
CHARGE ...........................................................................16
REFRIGERANT CHARGE ..............................................16
NO CHARGE ....................................................................16
LOW CHARGE COOLING .............................................17
TO USE COOLING CHARGING CHARTS ..................17
MENTS ..............................................................................17
MAINTENANCE.........................................................................18
Air Filter..................................................................................18
Indoor blower and motor........................................................18
CONDENSATE DRAIN PAN...............................................19
Outdoor fan .............................................................................19
Electrical controls and wiring ................................................20
Refrigerant circuit ...................................................................20
Indoor airflow .........................................................................20
Metering device ......................................................................20
Liquid line strainers ................................................................22
High Flow Valves...................................................................22
Time-delay relay .....................................................................22
installation, start-up,
and service instructions
3-PHASE SINGLE-PACKAGED HEAT PUMPS
Cancels: New
Loss of charge switch.............................................................22
Check defrost thermostat ........................................................22
Defrost Thermostat .................................................................22
TROUBLESHOOTING ...............................................................22
START-UP CHECKLIST............................................................22
NOTE TO INSTALLER - READ THESE INSTRUCTIONS
CAREFULLY AND COMPLETELY before installing this unit.
Also, make sure the Owner's Manual and Service Instructions are
left with the unit after installation.
SAFETY CONSIDERATIONS
Installation and servicing of air-conditioning equipment can be
hazardous due to system pressure and electrical components. Only
trained and qualified personnel should install, repair, or service
air-conditioning equipment.
Untrained personnel can perform basic maintenance functions of
cleaning coils and filters. All other operations should be performed
by trained service personnel. 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 extinguisher
available for all brazing operations.
-1-
030-060
Fig. 1-Model 601A/602A
601A
602A
II 601A-30-1
2-06
C99001

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Summary of Contents for Bryant 3-PHASE 601A

  • Page 1: Table Of Contents

    installation, start-up, and service instructions 3-PHASE SINGLE-PACKAGED HEAT PUMPS NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS SAFETY CONSIDERATIONS ...1 INTRODUCTION ...2 RECEIVING AND INSTALLATION ...2 Check Equipment...2 IDENTIFY UNIT ...2 INSPECT SHIPMENT ...2 Provide Unit Support ...2 ROOF CURB...2 SLAB MOUNT ...2 GROUND MOUNT ...2...

  • Page 2: Introduction

    Check all items against shipping list. Immediately notify the nearest Bryant Air Conditioning office if any item is missing. To prevent loss or damage, leave all parts in original packages until installation.

  • Page 3: Electrical Characteristics

    UNIT ELECTRICAL CHARACTERISTICS 601A030 208/230-3-60 601A036 208/230-3-60, 460-3-60 601A042 208/230-3-60, 460-3-60 602A030 208/230-3-60 602A036 208/230-3-60, 460-3-60 Fig. 2—601A030-042/602A030-036 Unit Dimensions UNIT HEIGHT UNIT WEIGHT IN. (MM) ”A” 130.2 39.02 (991.1) 19.5 (495.3) 132.0 37.02 (940.3) 19.5 (495.3) 146.5 37.02 (940.3) 19.7 (500.4) 145.2 37.02 (940.3)
  • Page 4 UNIT ELECTRICAL CHARACTERISTICS 601A048 208/230-3-60, 460-3-60 601A060 208/230-3-60, 460-3-60 602A042 208/230-3-60, 460-3-60 602A048 208/230-3-60, 460-3-60 602A060 208/230-3-60, 460-3-60 Fig. 3—601A048-060/602A042-060 Unit Dimensions UNIT HEIGHT UNIT WEIGHT IN. (MM) ”A” 160.1 38.98 (990.2) 19.9 (505.5) 189.6 38.98 (990.2) 19.9 (505.5) 158.8 40.98 (1040.9) 19.9 (505.5) 170.1...

  • Page 5: Select And Install Ductwork

    CORNER WEIGHTS (SMALL CABINET) Unit Total Weight Corner Weight 1 Corner Weight 2 Corner Weight 3 Corner Weight 4 CORNER WEIGHTS (Small Cabinet) Unit Total Weight Corner Weight 1 Corner Weight 2 Corner Weight 3 Corner Weight 4 3. Place each of the 4 metal lifting brackets into the rigging holds in the composite pan.
  • Page 6 HVAC unit base Scre w Gask eting (NO TE A) inner flange* *Gask eting outer flange Wood nailer* Flashing field supplied Insulation (field Roofing mater i al field supplied field supplied Cant str ip field supplied Roof *Provided with roofcurb Roof Curb for Small Cabinet Note A: When unit mounting scre w is used , retainer bra cke t must also be used.

  • Page 7: Converting Horizontal Discharge Units To Downflow (Vertical) Discharge Units

    MAXIMUM ALLOWABLE Fig. 6—Unit Leveling Tolerances 3. Size ductwork for cooling air quantity (cfm). The minimum air quantity for proper electric heater operation is listed in Tables 3 and 4. Heater limit switches may trip at air quantities below those recommended. 4.
  • Page 8 UNIT SIZE NOMINAL CAPACITY (ton) OPERATING WEIGHT (lb.) COMPRESSOR QUANTITY TYPE REFRIGERANT REFRIGERANT METERING DEVICE Refrigerant (R-22) Quantity (lb.) ORIFICE ID (in.) ORIFICE OD (in.) OUTDOOR COIL Rows... Fins/in. Face Area (sq. ft.) OUTDOOR FAN Nominal Airflow (CFM) Diameter Motor HP (RPM) INDOOR COIL Rows...

  • Page 9: Install Electrical Connections

    TABLE 4—MINIMUM AIRFLOW FOR RELIABLE ELECTRIC HEATER OPERATION (CFM) SIZE 602A030 AIRFLOW (CFM) 1000* * The 030 size models must be run on medium or high speed when used in conjunction with 15 kw electric heat accessory RETURN TOP COVER Fig.
  • Page 10 C00134 Fig. 12—Wiring Schematics (208/230-3-60) —10—...
  • Page 11 C00135 Fig. 13—Wiring Schematics (460-3-60) —11—...
  • Page 12 VOLTAGE UNIT 601A RANGE V-PH-HZ SIZE 208/230–3–60 208/230–3–60 460–3–60 208/230–3–60 460–3–60 208/230–3–60 460–3–60 208/230–3–60 460–3–60 TABLE 5—ELECTRICAL DATA—601A COMPRESSOR ELECTRIC HEAT Nominal 3.8/5.0 7.5/10.0 11.3/15.0 3.8/5.0 7.5/10.0 11.3/15.0 3.8/5.0 12.4 7.5/10.0 11.3/15.0 15.0/19.9 20.0 3.8/5.0 14.1 7.5/10.0 11.3/15.0 15.0/20.0 3.8/5.0 19.4 7.5/10.0 11.3/15.0...

  • Page 13: Electric Heat

    VOLTAGE UNIT 602A RANGE V-PH-HZ SIZE 208/230–3–60 208/230–3–60 460–3–60 208/230–3–60 460–3–60 208/230–3–60 460–3–60 208/230–3–60 460–3–60 LEGEND — Full Load Amps — Locked Rotor Amps — Minimum Circuit Amps MOCP — Maximum Overcurrent Protection — Rated Load Amps CKT BKR — Circuit Breaker NOTES: 1.

  • Page 14: Routing Power Leads Into Unit

    leads are inside the unit, run leads up the high-voltage raceway to the line wiring splice box (See Fig. 12–17). On all 3-phase units, connect the leads to the black, yellow, and blue wires (See Fig. 16). C. CONNECTING GROUND LEAD TO GROUND LUG Connect the ground lead to the chassis using the ground lug in the wiring splice box (See Fig.

  • Page 15: Pre-Start-Up

    PRE-START-UP WARNING: Failure to observe the following warnings could result in serious 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 16: Checking And Adjusting Refrigerant

    HPS – High Pressure Switch LCS – Loss of Charge Switch Accurater ® Metering Device Arrow indicates direction of flow Fig. 20—Typical Heat Pump Operation, Heating Mode LEGEND HPS – High Pressure Switch LCS – Loss of Charge Switch ® Accurater...

  • Page 17: Low Charge Cooling

    Based on Indoor Entering Air of 70 F and Rated CFM E. LOW CHARGE COOLING Use Cooling Charging Charts (Fig. 24-33). Vary refrigerant until the conditions of the chart are met. Note that charging charts are different from type normally used. Charts are based on charging the units to correct superheat for the various operating conditions.

  • Page 18: Maintenance

    To ensure continuing high performance, and to minimize the possibility of premature equipment failure, periodic maintenance must be performed on this equipment. This heat pump unit should be inspected at least once each year by a qualified service person. To troubleshoot unit, refer to Table 11.

  • Page 19: Outdoor Coil, Indoor Coil, And Condensate Drain Pan

    UNIT 601A 030-060 (DEDUCT 10 PERCENT FOR 208-V)* MOTOR UNIT SPEED Watts Watts 1203 Watts High Watts 1499 Watts Watts High Watts 1464 Watts 1608 Watts High 1656 Watts 1994 Watts Watts High Watts 2197 Watts 2485 Watts High * Air delivery values are based on operating voltage of 230-v or 460-v, wet coil, without filter or electric heater. Deduct filter and electric heater pressure drops to obtain static pressure available for ducting.

  • Page 20: Checking And Adjusting Refrigerant Charge

    UNIT 602A 030-060 (DEDUCT 10 PERCENT FOR 208-V)* MOTOR UNIT SPEED Watts Watts 1202 Watts High Watts 1374 Watts 1500 Watts High Watts 1662 Watts Watts High Watts 1662 Watts 1917 Watts High Watts 2265 Watts 2383 Watts High 2480 * Air delivery values are based on operating voltage of 230-v or 460-v, wet coil, without filter or electric heater.
  • Page 21 (030) 60HZ CHARGING CHART 20.0 30.0 40.0 50.0 60.0 SUCTION LINE TEMPERATURE (°F) SUCTION LINE TEMPERATURE (°C) Fig. 24—Cooling Charging Chart, 601A030 Units (042) 60HZ CHARGING CHART 20.0 30.0 40.0 50.0 60.0 SUCTION LINE TEMPERATURE (°F) SUCTION LINE TEMPERATURE (°C) Fig.

  • Page 22: Liquid Line Strainers

    XIV. DEFROST THERMOSTAT Defrost thermostat signals heat pump that conditions are right for defrost or that conditions have changed to terminate defrost. It is a thermally actuated switch clamped to outdoor coil to sense its temperature.
  • Page 23 Fig. 29—Cooling Charging Chart, 602A 030 Units (036) 60 Hz CHARGING CHART 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 30.0 40.0 50.0 60.0 SUCTION LINE TEMPERATURE (DEG. F) SUCTION LINE TEMPERATURE (DEG. C) Fig. 30—Cooling Charging Chart, 602A 036 Units (048) 60 Hz CHARGING CHART 100.0 90.0...
  • Page 24 FILTER SIZE 20 X 20 X 1 0.05 0.07 0.08 0.10 0.12 20 X 24 X 1 — — — — 0.09 24 X 30 X 1 — — — — TABLE 10—ELECTRIC HEAT PRESSURE DROP TABLE STATIC 5 kW 0.00 0.00 10 kW...
  • Page 25 TABLE 11—COOLING AND HEATING TROUBLESHOOTING CHART SYMPTOM Power Failure Fuse blown or circuit breaker tripped Defective thermostat, contractor, transformer, control relay or defrost board Insufficient line voltage Compressor and outdoor Incorrect or faulty wiring fan will not start Thermostat setting too high Units have a 5-minute time delay Faulty wiring or loose connections in compressor circuit...

  • Page 26: Start-Up Checklist

    Refrigerant Discharge __________ psig ____ Verify Refrigerant charge using charging tables ____ Verify that 3-phase scroll compressor is rotating in correct direction © 2006 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231 CAUSE (Cool) Dirty air filter...

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