Number OneAirConditioninqMaker^^2 Divisiort ofCarrier Corporation-iCarrier Parkway • Syracuse NY 13221Single-Package Water-Source Heat PumpsINDEXPageS
COMPRESSOR DISCHARGE PRESSURE@SERVICE PORT(PSIG)Fig. 18 — Heating Cycle Operation Check Chart (R-22) — 50HQ,VQ033a2 noISO 200 250 300COMPRESSOR DIS
CHARGEMASTER® DEVICE OPERATION —Operate unit 10 minutes before using Charge-master. Ensure unit indoor fan section access panelis in place for proper
4. Disconnect compressor wiring at compressor terminal box.5. Using a tubing cutter, cut suction and discharge lines at convenient p
^ TROUBLESHOOTING CHARTPROBLEMENTIRE UNIT DOES NOT RUNCAUSEBlown fuseBroken or loose wiresVoltage supply lowTransformerThermostatBLOWER OPERATES BU
TROUBLESHOOTING CHART (cont)PROBLEM INSUFFICIENT COOLING OR HEATINGNOISY OPERATIONCAUSEUnit undersizedLoss of conditioned air by leaksThermostatAi
f. 50HQ units include a'sus'pehsion package for ceiling installation. To attach hanging brackets, install 4 bolts (5 /16 - 18-3/8
IMODEL 50HQ OPERwfob)"dimensions (ft-in.)ABCD_E"supply duct conn.(ft-in.) F_ _ GACCESSORY FILTER (1) Size (in.)Table 2'— Installation
Table 3 — Electrical DataUNIT MODEL 50HQ,VQV/PH/HZOPERATINGVOLTAGECOMPRESSORFANFLAMINIMUMCIRCUITMAXIMUMFUSEAMPS AMPSMaxMin LRA RLA01437 59 67 12.72001
iWATER WATERI Supply Air ‘ Return AirFig. 4 — Water Piping — 50VQBALANCING VALVES (2) WITH SHUTOFF50HQ0I4,018,022,027, 033,042pply Air I Return AirFig
2. Splice yellow and black power leads from eontrol box to yellow and red motor leads. (Yellow-to- yellow and black-to-red.)CONNECT CONTROL
Imeter or continuity tester. If necessary, refer to Carrier Standard Service Techniques Manual, Chapter 2, for complete instructions.HIGH-P
Table 4 — Service DataUNIT 50HQ.VQ014 018022027033 042 048 060080R-22 CHG (Ib-oz)»1-8 1-132-2 2-62-6 2-14 4-35-3 6-8Refrig ControlCapillary TubeFANCen
Fig. 12 — Heating Cycle Operation Check Chart (R-22) — 50HQ,VQ018Fig. 15 — Cooling Cycle Charging Chart (R-22) — 50HQ,VQ027Fig. 13 — Cooling Cycle Cha
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