Carrier WeatherMaker 50TCQ07 Installation Instructions Manual

Also see for WeatherMaker 50TCQ*07: Product data

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 04-53500215-01 Printed in U.S.A. Form 50TCQ-7-01SI Pg 1 12-18 Replaces: 50TCQ-4-7-02SIInstallation InstructionsNOTE: Read the entire instruction manual before starting theinstallation.CONTENTSSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . 2GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . 2Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2REFRIGERATION SYSTEM COMPONENTS . . . . . . 6Reversing Valve and Check Valve Position . . . . . . 6Troubleshooting Refrigerant Pressure Problems andCheck Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6• REFRIGERANT SYSTEM PRESSURE ACCESS PORTSINSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Step 1 — Plan for Unit Location . . . . . . . . . . . . . . . 8• ROOF MOUNTStep 2 — Plan for Sequence of Unit Installation . . 8• CURB-MOUNTED INSTALLATION• PAD-MOUNTED INSTALLATION• FRAME-MOUNTED INSTALLATIONStep 3 — Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . 8Step 4 — Provide Unit Support . . . . . . . . . . . . . . . . 8• ROOF CURB MOUNT• SLAB MOUNT (HORIZONTAL UNITS ONLY)• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB ORSLAB MOUNT)Step 5 — Field Fabricate Ductwork . . . . . . . . . . . . . 10• FOR UNITS WITH ACCESSORY ELECTRIC HEATERSStep 6 — Rig and Place Unit . . . . . . . . . . . . . . . . . . 10• POSITIONING ON CURBStep 7 — Convert to Horizontal and ConnectDuctwork (when required) . . . . . . . . . . . . . . . . . . 11Step 8 — Install Outside Air Hood . . . . . . . . . . . . . . 12• ECONOMIZER AND TWO-POSITION DAMPER HOODPACKAGE REMOVAL AND SETUP - FACTORYOPTION• ECONOMIZER HOOD AND TWO-POSITION HOODStep 9 — Units with Hinged Panels Only . . . . . . . . 13Step 10 — Install External Condensate Trap andLine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Step 11 — Make Electrical Connections . . . . . . . . . 14• FIELD POWER SUPPLY• UNITS WITH FACTORY-INSTALLED NON-FUSEDDISCONNECT• UNITS WITHOUT FACTORY-INSTALLED NON-FUSED DISCONNECT• ALL UNITS• CONVENIENCE OUTLETS• INSTALLING WEATHERPROOF COVER• FACTORY-OPTION THRU-BASE CONNECTIONS• UNITS WITHOUT THRU-BASE CONNECTIONS• FIELD CONTROL WIRING• THERMOSTAT• UNIT WITHOUT THRU-BASE CONNECTION KIT• HEAT ANTICIPATOR SETTINGSCentral Terminal Board . . . . . . . . . . . . . . . . . . . . . . 20Commercial Defrost Control . . . . . . . . . . . . . . . . . . 20• REVERSING VALVE CONTROL• COMPRESSOR CONTROL• AUXILIARY (ELECTRIC) HEAT CONTROL• DEFROSTElectric Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21• SINGLE POINT BOXES AND SUPPLEMENTARYFUSES• SINGLE POINT BOXES WITHOUT FUSES• LOW-VOLTAGE CONTROL CONNECTIONSEconomi$er® X (Factory Option) . . . . . . . . . . . . . . 23• SYSTEM COMPONENTS• SPECIFICATIONS• INPUTS• OUTPUTS• ENVIRONMENTAL• ECONOMIZER MODULE WIRING DETAILS• INTERFACE OVERVIEW• SETUP AND CONFIGURATION• ENTHALPY SETTINGS• TWO-SPEED FAN OPERATION• CHECKOUT• TROUBLESHOOTINGPremierLink™ (Factory Option) . . . . . . . . . . . . . . . 37RTU-Open Controller System (Factory-InstalledOption) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Smoke Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . 37• COMPLETING INSTALLATION OF RETURN AIRSMOKE SENSOR• ADDITIONAL APPLICATION DATAStep 12 — Adjust Factory-Installed Options . . . . . 39• SMOKE DETECTORS• ECONOMI$ER IV OCCUPANCY SWITCHStep 13 — Install Accessories . . . . . . . . . . . . . . . . 39Step 14 — Check Belt Tension . . . . . . . . . . . . . . . . 39• BELT FORCE — DEFLECTION METHOD• BELT TENSION METHODSTART-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . CL-150TCQ 07 units for installation in the United States contain use of Carrier's Staged Air Volume (SAV™) 2-speedindoor fan control system. This complies with the U.S. Department of Energy (DOE) efficiency standardof 2018.50TCQ 07 units for installation outside the United States may or may not contain use of the SAV 2-speedindoor fan control system, as they are not required to comply with the U.S. Department of Energy (DOE)efficiency standard of 2018.For specific details on operation of the Carrier SAV 2-speed indoor fan system, refer to the Variable FrequencyDrive (VFD) Factory-Installed Option 2-Speed Motor Control Installation, Setup and Troubleshooting manual.WeatherMaker®50TCQ07Single Package Rooftop with Heat Pumpwith Puron ® (R-410A) Refrigerant