Carrier 50HQP072-120 specifications Copyright 2010 Carrier Corporation

Page 34

Copyright 2010 Carrier Corporation

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53500077-01

Printed in U.S.A.

Form 50HQP-C1SI

Pg 34

11-10

Replaces: New

Image 34

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 MaterialFP2 DPPFP1 HpwrSee legend and notes on SAT LWTSPT Electrical Data 50HQP072-120 Standard Units Electrical Data 50HQP072-120 Dual Point Power UnitsLow Voltage VA Ratings Install Field Control Wiring Jumper LocationsPRE-START-UP Blower Data 50HQP072 AirflowBlower Data 50HQP096 Blower Data 50HQP120 Deluxe D Control Jumper Settings See Fig Complete C Control Jumper Settings See FigField Selectable Inputs Accessory DIP Switch Position Relay Options DIP Switch Block S2 Accessory 1 Relay OptionsDIP Switch Block S2 Accessory 2 Relay Options OADOperating Limits Unit Start-Up in Cooling ModeSTART-UP Start Up SystemCoaxial Water Pressure Drop Unit Start-Up in Heating ModeSize Operation Approximate Fluid Volume L Per 30 M of PipeAntifreeze Percentages by Volume Units with Aquazone Complete C ControlSystem Test Aquazone Deluxe D Control LED IndicaFault Descriptions ServiceComplete 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