Bryant 569C Installation, Start-Up And Service Instructions Manual
Bryant 569C Installation, Start-Up And Service Instructions Manual

Bryant 569C Installation, Start-Up And Service Instructions Manual

Commercial air-cooled condensing units

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IMPORTANT -READ BEFORE INSTALLING
1. Read and become familiar with these installation
instructions before installing this unit (Fig. 1).
2. Be sure the installation conforms to all applicable local
and national codes.
3. These instructions contain important information for the
proper maintenance and repair of this equipment. Re-
tain these instructions for future use.
CONTENTS
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 1
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
I. Locate the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
II. Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . . . . . 2
III. Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . 2
V. Electrical Connections . . . . . . . . . . . . . . . . . . . . . . 6
VI. Accessory Installation . . . . . . . . . . . . . . . . . . . . . . 9
PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
I. Start-Up and Adjustments . . . . . . . . . . . . . . . . . . 10
CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . 10
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-13
I. Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
II. Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
III. Condenser-Fan Adjustment . . . . . . . . . . . . . . . . 11
IV. Capacity Control . . . . . . . . . . . . . . . . . . . . . . . . . . 12
V. Compressor Removal . . . . . . . . . . . . . . . . . . . . . 12
VI. Crankcase Heater . . . . . . . . . . . . . . . . . . . . . . . . . 12
VII. Refrigerant Charge . . . . . . . . . . . . . . . . . . . . . . . . 12
VIII. Refrigerant Service Ports . . . . . . . . . . . . . . . . . . . 12
TROUBLESHOOTING GUIDE . . . . . . . . . . . . . . . . . . . . 14,15

SAFETY CONSIDERATIONS

WARNING: Improper installation, adjustment, alter-
ation, service, maintenance, or use can cause explo-
sion, fire, electric shock, or other occurrences which may
injure you or damage your property. Consult a quali-
fied installer or service agency for information or assis-
tance. The qualified installer or agency must use only
factory-authorized kits or accessories when repairing this
product.
Recognize safety information. This is the safety-alert sym-
bol. (
) When you see this symbol on the unit and in
instructions or manuals, be alert to the potential for per-
sonal injury.
installation, start-up and
service instructions
COMMERCIAL AIR-COOLED
CONDENSING UNITS
Page
Cancels: II 569C-72-3
Fig. 1 - Typical Unit (569C072 Shown)
Understand the signal words - DANGER, WARNING, and
CAUTION. These words are used with the safety-alert sym-
bol. Danger identifies the most serious hazards which will
result in severe personal injury or death. Warning indicates
a condition that could result in personal injury. Caution is
used to identify unsafe practices which would result in minor
personal injury or product and property damage.
WARNING: Before performing service or mainte-
nance operations on unit, turn off main power switch
to unit. Electrical shock could cause personal injury.
1. The power supply (volts, hertz, and phase) must corre-
spond to that specified on unit rating plate.
2. The electrical supply provided by the utility must be suf-
ficient to handle load imposed by this unit.
3. Refer to the Locate the Unit section on page 2 and
Fig. 2 and 3 for locations of electrical inlets, required
clearances, and weight distribution based on recom-
mended support points before setting unit in place.
4. This installation must conform with local building codes.
Refer to local plumbing or wastewater codes and other
applicable local codes.

INSTALLATION

NOTE: When installing any accessory item, see the manu-
facturer's installation instructions packaged with the acces-
sory. A qualified agency must use factory-authorized kits or
accessories when modifying this unit.
The 569C072,090, and 120 units use hermetic compressors.
The 576B090,102, and 120 units use semi-hermetic compres-
sors. Refer to Tables 1A and 1B.
569C
576B
II 569C-72-4
5/1/99

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Summary of Contents for Bryant 569C

  • Page 1: Table Of Contents

    installation, start-up and service instructions 569C 576B COMMERCIAL AIR-COOLED CONDENSING UNITS Cancels: II 569C-72-3 II 569C-72-4 5/1/99 IMPORTANT —READ BEFORE INSTALLING 1. Read and become familiar with these installation instructions before installing this unit (Fig. 1). 2. Be sure the installation conforms to all applicable local and national codes.
  • Page 2: Locate The Unit

    NOTE: If vibration isolators are required for a particular in- f. Between unit and block or concrete walls and other grounded stallation, use corner weight information in Fig. 2 to make surfaces, control box side, 42 in. (1067 mm) per NEC. proper selection.
  • Page 3 Table 1A — Specifications (English) UNIT 569C072 569C090 569C120 576B090 576B102 576B120 NOMINAL CAPACITY (Tons) ⁄ ⁄ ⁄ OPERATING WEIGHT (lb) Aluminum Coils (Standard) Copper Coils (Optional) RIGGING WEIGHT (lb) Aluminum Coils (Standard) Copper Coils (Optional) REFRIGERANT* R-22 COMPRESSOR Bristol, Reciprocating Copeland, Scroll Copeland, Scroll Reciprocating, Semi-Hermetic...
  • Page 4 Table 1B — Specifications (SI) UNIT 569C072 569C090 569C120 576B090 576B102 576B120 NOMINAL CAPACITY (kW) 29.9 OPERATING WEIGHT (kg) Aluminum Coils (Standard) Copper Coils (Optional) RIGGING WEIGHT (kg) Aluminum Coils (Standard) Copper Coils (Optional) REFRIGERANT* R-22 COMPRESSOR Bristol, Reciprocating Copeland, Scroll Copeland, Scroll Reciprocating, Semi-Hermetic 1...06DH824...
  • Page 5 ELECTRICAL CONNECTIONS UNIT DIM. A DIM. B DIM. C DIM. D DIM. E DIM. F WEIGHT CHART* 1 -6 ⁄ 1 -2 ⁄ — 1 -2 ⁄ 1 -4 ⁄ 2 -9 ⁄ UNIT Std Unit Corner W Corner X Corner Y Corner Z CONNECTION SIZES 569C072 [470.0] [375.0]...
  • Page 6: Electrical Connections

    Table 3 — Liquid Line Data LIQUID LINE ALLOWABLE Max Allowable Max Allowable UNIT LIQUID LIFT Pressure Drop Temp Loss 569C072 26.2 48.3 569C090 18.3 48.3 569C120 21.3 48.3 576B090 18.3 48.3 576B102 19.8 48.3 576B120 19.8 48.3 Fig. 5 — Typical Compressor Mounting (576B Units) NOTE: Values shown are for units operating at 45 F (7.2 C) saturated suction and 95 F (35 C) entering air.
  • Page 7 All units except 208/230-v units are factory wired for the volt- B. Control Voltage Connections age shown on the nameplate. If the 208/230-v unit is to be Install an accessory thermostat assembly according to instal- connected to a 208-v power supply, the transformer must be lation instructions included with the accessory.
  • Page 8 Table 4 — Electrical Data VOLTAGE RANGE COMPRESSOR POWER SUPPLY NOMINAL VOLTAGE UNIT (V-Ph-Hz) MOCP 208/230-3-60 21.8 25.6 460-3-60 12.9 569C072 575-3-60 11.4 220-3-50 19.0 25.6 400-3-50 12.9 208/230-3-60 28.8 39.8 460-3-60 14.7 20.3 569C090 575-3-60 10.8 15.4 220-3-50 28.8 37.5 400-3-50 14.7...
  • Page 9: Accessory Installation

    PRE-START-UP WARNING: Failure to observe the following warn- ings could result in serious personal injury: 1. Follow recognized safety practices and wear pro- tective goggles when checking or servicing refrig- erant system. 2. Do not operate compressor or provide any electric power to unit unless compressor terminal cover is in place and secured.
  • Page 10: Start-Up

    Terminals G and C) will also open, allowing the system to START-UP function in cooling. As cooling demand is satisfied, the ther- I. START-UP AND ADJUSTMENTS mostat contacts break, deenergizing the contactor causing the system to shut off. The liquid line solenoid (LLS) valve closes, CAUTION: Complete the required procedures given minimizing the potential for refrigerant migration at this time.
  • Page 11: Service

    SERVICE WARNING: When servicing unit, shut off all electri- cal power to unit to avoid shock hazard or injury from rotating parts. I. CLEANING Inspect unit interior at the beginning of each cooling season and as operating conditions require. A. Condenser Coil Inspect coil monthly.
  • Page 12: Capacity Control

    IV. CAPACITY CONTROL (576B120 Only) 8. Clean system. Add new liquid line filter drier. 9. Install new compressor in unit. A suction pressure-actuated unloader controls 2 cylinders and provides capacity control. Unloaders are factory set (see 10. Connect suction and discharge lines to compressor. En- Table 1A or 1B), but may be field adjusted: sure that compressor holddown bolts are in place.
  • Page 13 Fig. 15 — Cooling Charging Chart — 569C090,120 Fig. 14 — Cooling Charging Chart — 569C072 and 576B090,102,120 —13—...
  • Page 14: Troubleshooting Guide

    TROUBLESHOOTING GUIDE SYMPTOM CAUSE REMEDY Compressor does not run — Power off. Restore power. Contactor open Fuses blown. Replace with correct fuses after finding cause and correcting. Transformer open/shorted. Replace transformer if primary windings are receiving power and no output. Thermostat circuit open.
  • Page 15 LEGEND FOR FIG. 16 AND 17 — Contactor, Compressor — Low-Pressure Switch Terminal (Marked) — Capacitor — National Electrical Code Terminal (Unmarked) — Circuit Breaker — Outdoor (Condenser) Fan Contactor — Crankcase Heater — Outdoor (Condenser) Fan Motor Terminal Block —...
  • Page 18 Copyright 1999 Bryant Heating & Cooling Systems CATALOG NO. 5356-902...
  • Page 19 START-UP CHECKLIST I. PRELIMINARY INFORMATION OUTDOOR: MODEL NO. SERIAL NO. INDOOR: AIR HANDLER MANUFACTURER MODEL NO. SERIAL 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 20 EVAP ENTERING-AIR DB (dry bulb) TEMP EVAP ENTERING-AIR WB (wet bulb) TEMP EVAP LEAVING-AIR DB TEMP EVAP LEAVING-AIR WB TEMP COMPRESSOR AMPS (L1/L2/L3) HAS REFRIGERANT CHARGE BEEN ADJUSTED PER UNIT CHARGING CHART? NOTES: Copyright 1999 Bryant Heating & Cooling Systems —CL-2— CATALOG NO. 5356-902...

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576b

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