Carrier AQUAZONE 50HQP072-120 Installation And Service Instructions Manual

Contents

Carrier AQUAZONE 50HQP072-120 Installation And Service Instructions Manual Manual pdf 1 page image

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 1 11-10 Replaces: NewInstallation, Start-Up, andService InstructionsCONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2• STORAGE• PROTECTION• INSPECT UNITStep 3 — Locate Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Step 4 — Mount Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Step 5 — Install Duct System. . . . . . . . . . . . . . . . . . . . . 5• SOUND ATTENUATION• EXISTING DUCT SYSTEMStep 6 — Install Condensate Piping Drain . . . . . . . . 6• INSTALLATION• VENTINGStep 7 — Field Convert Air Discharge . . . . . . . . . . . . 6Step 8 — Install Piping Connections . . . . . . . . . . . . . 7• WATER LOOP APPLICATIONS• GROUND-LOOP APPLICATIONS• GROUND-WATER APPLICATIONSStep 9 — Install Field Power Supply Wiring . . . . . . 8• POWER CONNECTION• SUPPLY VOLTAGE• EXTERNAL LOOP POWER CONNECTION• 420-VOLT OPERATIONStep 10 — Install Field Control Wiring. . . . . . . . . . . 15• THERMOSTAT CONNECTIONS• WATER FREEZE PROTECTION• AIR COIL FREEZE PROTECTION• ACCESSORY CONNECTIONS• WATER SOLENOID VALVESPRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-20System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Airflow and External Static Pressure . . . . . . . . . . . 16FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . 20-22Complete C Control Jumper Settings. . . . . . . . . . . 20Complete C Control DIP Switches. . . . . . . . . . . . . . 20Deluxe D Control Jumper Settings . . . . . . . . . . . . . 20Deluxe D Control DIP Switches . . . . . . . . . . . . . . . . 21Deluxe D Control Accessory RelayConfigurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-24Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Start Up System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 22Unit Start-Up in Cooling Mode. . . . . . . . . . . . . . . . . . . 22Unit Start-Up in Heating Mode. . . . . . . . . . . . . . . . . . . 23Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23PageAntifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 24Ground Coupled, Closed Loop and PlateframeHeat Exchanger Well Systems . . . . . . . . . . . . . . . . 24OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24,25Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24Units with Aquazone Complete C Control . . . . . . . 24Units with Aquazone Deluxe D Control . . . . . . . . . . 24SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25,26Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25Aquazone Deluxe D Control LED Indicators . . . . . 25SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26-29Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 27Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . . . 27Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27Compressor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Fan Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Air Coil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 28Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 28Blower Fan Sheaves . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28Blower Fan Performance Adjustment . . . . . . . . . . . 29TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 30-32Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Control Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . CL-1,CL-2SAFETY CONSIDERATIONSInstallation and servicing of air-conditioning equipment canbe hazardous due to system pressure and electrical compo-nents. Only trained and qualified service personnel shouldinstall, repair, or service air-conditioning equipment.Untrained personnel can perform basic maintenance func-tions of cleaning coils and filters and replacing filters. All otheroperations should be performed by trained service personnel.When working on air-conditioning equipment, observe precau-tions in the literature, tags and labels attached to the unit, andother safety precautions that may apply.Improper installation, adjustment, alteration, service, main-tenance, or use can cause explosion, fire, electrical shock orother conditions which may cause personal injury or propertydamage. Consult a qualified installer, service agency, or yourdistributor or branch for information or assistance. Thequalified installer or agency must use factory-authorized kits orIMPORTANT: Read the entire instruction manual beforestarting installation.AQUAZONE™50HQP072-120Horizontal Water Source Heat Pumpswith PURON® Refrigerant (R-410A)50 Hz