Carrier Aquazone 50HQP Series Installation, Start-up And Service Instructions Manual

Carrier Aquazone 50HQP Series Installation, Start-up 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. 04-53500286-01 Printed in U.S.A. Form 50HQP-VQP-4SI Pg 1 10-2020 Replaces: 50HQP-VQP-2SIInstallation, Start-Up, andService InstructionsCONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 3• INSPECTION• STORAGEINSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . 3• HORIZONTAL UNITS (50HQP)• VERTICAL UNITS (50VQP)• INSTALLATION GUIDELINES (ALL UNITS)Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . 3• INSPECT UNITStep 3 — Locate Unit . . . . . . . . . . . . . . . . . . . . . . . . 12Step 4 — Mount the Unit . . . . . . . . . . . . . . . . . . . . . . 12• MOUNTING VERTICAL UNITS• MOUNTING HORIZONTAL UNITSStep 5 — Check Duct System . . . . . . . . . . . . . . . . . 13Step 6 — Install Condensate Drain . . . . . . . . . . . . . 13Step 7 — Pipe Connections . . . . . . . . . . . . . . . . . . . 14• UNITS WITH WATERSIDE ECONOMIZER ORBOILERLESS HEAT CONTROL• WELL WATER SYSTEMS (50°F EWT [ENTERINGWATER TEMPERATURE] MINIMUM)• COOLING TOWER/BOILER APPLICATION• EARTH COUPLED SYSTEMSStep 8 — Wire Field Power Supply . . . . . . . . . . . . . 17• CONTROL TRANSFORMER SETTING FOR 208VUNITS• 50HQP WITH SUPPLY FAN VFDStep 9 — Wire Control Connections . . . . . . . . . . . . 32• COMPLETE C, AND DELUXE D CONTROL• THERMOSTAT AND DDC SENSORS• HOT GAS REHEAT CONTROL• AUXILIARY RELAY (DELUXE D ONLY)• ENERGY MANAGEMENT SWITCH (DELUXE DONLY)• BOILERLESS HEAT CONTROL (DELUXE D ONLY)• ALARM OUTPUT (ALL UNITS)• WSHP OPEN CONTROL• CONTROL TRANSFORMERStep 10 — Configure Unit Control Components . . 32• UNIT PROTECTION MODULE (UPM)• FREEZE SENSOR• UPM DIP SWITCH SETTINGSPRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . 33• AIR COILFIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . . . . 34START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34• ENVIRONMENT• POWER SUPPLY• UNIT STARTING CONDITIONSStart Up System . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34Scroll Compressor Rotation . . . . . . . . . . . . . . . . . . . 34Flow Regulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . .38Ground Coupled, Closed Loop and Plateframe HeatExchanger Well Systems . . . . . . . . . . . . . . . . . . .38OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38Units with Aquazone™ Complete C Control . . . . . . 38• STANDBY• COOLING• HEATING STAGE 1• HEATING STAGE 2• LOCKOUT MODE• LOCKOUT WITH EMERGENCY HEAT• EMERGENCY HEATUnits with Aquazone Deluxe D Control . . . . . . . . . .39• STANDBY/FAN ONLY• HEATING STAGE 1• EMERGENCY HEAT• COOLING STAGE 2Retry Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39Units with WSHP Open Controls with UPM Board . 39• COOLING• REVERSE CYCLE HEATING• TWO POSITION OA DAMPER• MODULATING OA DAMPER WITH DCV• AUXILIARY MODULATING HOT WATER / STEAMHEATING REHEAT• TWO-POSITION HOT WATER/STEAMHEATING REHEAT• SINGLE STAGE ELECTRIC AUXILIARY HEAT• AUTOMATIC FAN SPEED CONTROL• FAN SPEED CONTROL - DURING HEATING• FAN SPEED CONTROL - DURING COOLING• MODULATING WATER ECONOMIZER CONTROL• TWO-POSITION WATER ECONOMIZER CONTROL• POWER FAIL RESTART DELAY• SUPPLY AIR TEMPERATURE MONITORING/CONTROL/ ALARM• DEHUMIDIFICATION• SPACE TEMPERATURE ALARMS• CONDENSER WATER TEMPERATUREMONITORING/CONTROL/ALARM• HIGH CONDENSATE / OVERFLOW ALARM• FILTER STATUS ALARM• COMPRESSOR FAULT/LOCKOUT ALARMAquazone™50HQP,VQP 072-360Large Capacity Water Source Heat Pumps