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installation, start-up and
569C
service instructions
576B
COMMERCIALAIR-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.
3. Theseinstructionscontainimportantinformationforthe
proper maintenance and repair of this equipment. Re-
tain these instructions for future us
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NOTE: Ifvibrationisolatorsarerequiredforaparticularin- f. Betweenunitandblockorconcretewallsandothergrounded stallation, use corner weight information in Fig. 2 to make surfaces, control box side, 42 in. (1067 mm) per NEC. proper selection. Althoughunitisweatherproof,guardagainstwaterfromhigher level runoff and overhangs. Slab-mounted units should be at least 4 in. (102 mm) above the highest expected water level (flood and runoff). Do not use the unit if it has been under water. II. RIG AND PLACE
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Table 1A — Specifications (English) UNIT 569C072 569C090 569C120 576B090 576B102 576B120 1 1 1 NOMINAL CAPACITY (Tons) 67⁄2 10 7 ⁄2 8 ⁄2 10 OPERATING WEIGHT (lb) Aluminum Coils (Standard) 340 370 395 510 564 564 Copper Coils (Optional) 386 438 472 578 632 632 RIGGING WEIGHT (lb) Aluminum Coils (Standard) 390 420 445 560 614 614 Copper Coils (Optional) 436 488 522 628 682 682 REFRIGERANT* R-22 COMPRESSOR Bristol, Reciprocating Copeland, Scroll Copeland, Scroll Reciprocating, Semi-Hermetic 1...06DH
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Table 1B — Specifications (SI) UNIT 569C072 569C090 569C120 576B090 576B102 576B120 NOMINAL CAPACITY (kW) 21 26 35 26 29.9 35 OPERATING WEIGHT (kg) Aluminum Coils (Standard) 154 168 179 231 256 256 Copper Coils (Optional) 175 199 214 262 287 287 RIGGING WEIGHT (kg) Aluminum Coils (Standard) 176 191 202 254 279 279 Copper Coils (Optional) 198 221 237 285 309 309 REFRIGERANT* R-22 COMPRESSOR Bristol, Reciprocating Copeland, Scroll Copeland, Scroll Reciprocating, Semi-Hermetic 1...06DH824 Quantity..
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ELECTRICAL CONNECTIONS UNIT DIM. A DIM. B DIM. C DIM. D DIM. E DIM. F WEIGHT CHART* 1 3 1 5 5 18-6 ⁄29 18-2 ⁄49 —18-2 ⁄49 18-4 ⁄169 28-9 ⁄169 UNIT Std Unit Corner W Corner X Corner Y Corner Z CONNECTION SIZES 569C072 [470.0] [375.0] — [362] [415] [846.5] 3 Lb Kg Lb Kg Lb Kg Lb Kg Lb Kg AA 1 ⁄89 DIA[35] FIELD POWER SUPPLY HOLE 1 5 7 18-89 18-6 ⁄29 —18-39 28- ⁄169 38-5 ⁄169 569C090 569C072 340 154 86 39 53 24 77 35 124 56 BB 29 DIA[51] POWER SUPPLY KNOCK-OUT [508.0] [470.0] — [381] [613] [1052.5]
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Table 3 — Liquid Line Data LIQUID LINE MAX ALLOWABLE Max Allowable Max Allowable UNIT LIQUID LIFT Pressure Drop Temp Loss Ft M psi kPa F C 569C072 86 26.2 7 48.3 2 1 569C090 60 18.3 7 48.3 2 1 569C120 70 21.3 7 48.3 2 1 576B090 60 18.3 7 48.3 2 1 576B102 65 19.8 7 48.3 2 1 576B120 65 19.8 7 48.3 2 1 Fig.5—Typical Compressor Mounting (576B Units) NOTE: Values shown are for units operating at 45F (7.2 C) saturated suction and 95F (35 C) entering air. V. ELECTRICAL CONNECTIONS B. Filter Drier and M
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Allunitsexcept208/230-vunitsarefactorywiredforthevolt- B. Control Voltage Connections age shown on the nameplate. If the 208/230-v unit is to be Installanaccessorythermostatassemblyaccordingtoinstal- connected to a 208-v power supply, the transformer must be lation instructions included with the accessory. Locate ther- rewiredbymovingtheblackwirefromthe230-vorangewire mostat assembly on a solid wall in the conditioned space to on the transformer and connecting it to the 200-v red wire sense aver
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Table 4 — Electrical Data VOLTAGE RANGE COMPRESSOR OFM POWER SUPPLY NOMINAL VOLTAGE UNIT (V-Ph-Hz) Min Max RLA LRA FLA MCA MOCP 208/230-3-60 187 254 21.8 142 1.9 25.6 35 460-3-60 414 508 9.6 72 1.0 12.9 15 569C072 575-3-60 518 632 7.6 58 1.9 11.4 15 220-3-50 198 242 19.0 142 1.0 25.6 35 400-3-50 360 440 9.5 72 1.0 12.9 15 208/230-3-60 187 254 28.8 195 3.8 39.8 45 460-3-60 414 508 14.7 95 1.9 20.3 20 569C090 575-3-60 518 632 10.8 80 1.9 15.4 15 220-3-50 198 242 28.8 195 1.5 37.5 45 400-3-50 360 4
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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. Donotoperatecompressororprovideanyelectric powertounitunlesscompressorterminalcoveris in place and secured. 3. Donotremovecompressorterminalcoveruntilall electrical sources have been disconnected. 4. If refrigerant leak is suspected around compres- sor terminals, recover re
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START-UP Terminals G and C) will also open, allowing the system to function in cooling.As cooling demand is satisfied, the ther- I. START-UPAND ADJUSTMENTS mostatcontactsbreak,deenergizingthecontactorcausingthe CAUTION: Complete the required procedures given systemtoshutoff.Theliquidlinesolenoid(LLS)valvecloses, minimizingthepotentialforrefrigerantmigrationatthistime. in the Pre-Start-Up section before starting the unit. The compressor does not restart until the thermostat again Do not jumper any
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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. Clean condenser coil annually, and as required by location and outdoor-air conditions. Clean coil as follows: 1. Turn off unit power. Fig. 10 — Propping Up Top Panel 2. Remove and save top panel screws on condensing uni
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IV. CAPACITY CONTROL (576B120 Only) 8. Clean system.Add new liquid line filter drier. 9. Install new compressor in unit. Asuctionpressure-actuatedunloadercontrols2cylindersand provides capacity control. Unloaders are factory set (see 10. Connectsuctionanddischargelinestocompressor.En- Table 1Aor 1B), but may be field adjusted: sure that compressor holddown bolts are in place. 11. Connect wiring. A. Control Set Point 12. Install crankcase heater. The control set point (cylinder load point) is adjus
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Fig. 15 — Cooling Charging Chart — 569C090,120 Fig. 14 — Cooling Charging Chart — 569C072 and 576B090,102,120 —13—
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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. Check thermostat setting. Low-pressure switch open. Check for refrigerant undercharge or system leak. High-pressure switch open. Check for refrigerant over charge or obstruction of outdoor
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LEGEND FOR FIG. 16 AND 17 C— Contactor, Compressor LPS — Low-Pressure Switch Terminal (Marked) CAP — Capacitor NEC — National Electrical Code Terminal (Unmarked) CB — Circuit Breaker OFC — Outdoor (Condenser) Fan Contactor CH — Crankcase Heater OFM — Outdoor (Condenser) Fan Motor Terminal Block CLO — Compressor Lockout OL — Overload Relay COMP — Compressor Motor QT — Quadruple Terminal Factory Wiring COTP — Compressor Temperature Protection TB — Terminal Block EQUIP — Equipment Field Power Wirin
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Copyright 1999 Bryant Heating & Cooling Systems CATALOG NO. 5356-902
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START-UP CHECKLIST I. PRELIMINARY INFORMATION OUTDOOR: MODEL NO. SERIAL NO. INDOOR:AIR HANDLER MANUFACTURER MODELNO. SERIAL NO. ADDITIONALACCESSORIES II. PRE-START-UP OUTDOOR UNIT IS THEREANY SHIPPING DAMAGE? (Y/N) IF SO, WHERE: WILLTHIS DAMAGE PREVENT UNIT START-UP? (Y/N) CHECK POWER SUPPLY. DOES ITAGREE WITH UNIT? (Y/N) HAS THE GROUND WIRE BEEN CONNECTED? (Y/N) HAS THE CIRCUIT PROTECTION BEEN SIZEDAND INSTALLED PROPERLY? (Y/N) ARE THE POWER WIRES TO THE UNIT SIZEDAND INSTALLED PROPERLY? (Y/N)
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III. START-UP CHECK EVAPORATOR-FAN SPEEDAND RECORD. CHECK CONDENSER-FAN SPEEDAND RECORD. AFTERAT LEAST 15 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS: OIL PRESSURE (576B only) SUCTION PRESSURE SUCTION LINE TEMP DISCHARGE PRESSURE DISCHARGE LINE TEMP ENTERING CONDENSER-AIR TEMP LEAVING CONDENSER-AIR TEMP EVAP ENTERING-AIR DB (dry bulb) TEMP EVAP ENTERING-AIR WB (wet bulb) TEMP EVAP LEAVING-AIR DB TEMP EVAP LEAVING-AIR WB TEMP COMPRESSORAMPS (L1/L2/L3) / / HAS REFRIGERANT CHARGE BEENAD
