Carrier 50HQP072-120 specifications See legend and notes on

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Deluxe D1	Deluxe D2

See legend and notes on page 11.

Deluxe D

Deluxe D

Deluxe D1

Deluxe D2

Fig. 13 — 50HQP072-120 Units — Typical Control Wiring with Deluxe D Control

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Contents Contents Safety ConsiderationsInstallation GeneralPhysical Data 50HQP072-120 Units Unit Dimensions Typical Horizontal Installation Install Condensate Piping Drain Hanger BracketsRemoving Panels Install Field Power Supply Wiring Supply/Return Hose KitTypical Ground-Water Piping Installation Water Quality Guidelines MaterialDPP FP1FP2 HpwrSee legend and notes on LWT SATSPT Electrical Data 50HQP072-120 Dual Point Power Units Electrical Data 50HQP072-120 Standard UnitsLow Voltage VA Ratings Install Field Control Wiring Jumper LocationsPRE-START-UP Blower Data 50HQP072 AirflowBlower Data 50HQP096 Blower Data 50HQP120 Complete C Control Jumper Settings See Fig Deluxe D Control Jumper Settings See FigField Selectable Inputs DIP Switch Block S2 Accessory 1 Relay Options DIP Switch Block S2 Accessory 2 Relay OptionsAccessory DIP Switch Position Relay Options OADUnit Start-Up in Cooling Mode START-UPOperating Limits Start Up SystemUnit Start-Up in Heating Mode Coaxial Water Pressure DropSize Approximate Fluid Volume L Per 30 M of Pipe Antifreeze Percentages by VolumeOperation Units with Aquazone Complete C ControlSystem Test Aquazone Deluxe D Control LED IndicaService Fault DescriptionsComplete C Control LED Code Gravity Flow Method a50-8586 Refrigerant Charging Air Coil Fan Motor RemovalSheave Alignment Unit Size Component Drive Package 50HQPTroubleshooting Thermistor Nominal ResistanceTroubleshooting Fault Heating Cooling Possible Cause SolutionUnit Does Not Operate Page Copyright 2010 Carrier Corporation START-UP Checklist II. START-UPHeating Cycle Analysis Cooling Cycle Analysis