Carrier aquazone 50RTG Installation, Start-up And Service Instructions Manual

Contents

Carrier aquazone 50RTG 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.PC 111 Catalog No. 535-004 Printed in U.S.A. Form 50R-2SI Pg 1 8-02 Replaces: NewBook 1 4Tab 5a 5aInstallation, Start-Up, andService InstructionsCONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2• STORAGE• PROTECTION• INSPECT UNITStep 3 — Location of Unit . . . . . . . . . . . . . . . . . . . . . . . . 3Step 4 — Mounting the Unit . . . . . . . . . . . . . . . . . . . . . . 6Step 5 — Condensate Drain . . . . . . . . . . . . . . . . . . . . . . 6Step 6 — Piping Connections . . . . . . . . . . . . . . . . . . . . 6• WATER LOOP APPLICATIONS• GROUND-WATER APPLICATIONS• GROUND-LOOP APPLICATIONSStep 7 — Electrical Wiring. . . . . . . . . . . . . . . . . . . . . . . . 7• SUPPLY VOLTAGE• 208-VOLT OPERATION• BLOWER SELECTIONStep 8 — Low Voltage Wiring. . . . . . . . . . . . . . . . . . . . 14• THERMOSTAT CONNECTIONS• WATER FREEZE PROTECTION• AIR COIL FREEZE PROTECTION• ACCESSORY CONNECTIONS• WATER SOLENOID VALVESPRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14,15System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . .15,16C Control Jumper Settings . . . . . . . . . . . . . . . . . . . . 15C Control DIP Switches . . . . . . . . . . . . . . . . . . . . . . . 15D Control Jumper Settings . . . . . . . . . . . . . . . . . . . . 15D Control DIP Switches . . . . . . . . . . . . . . . . . . . . . . . 15D Control Accessory Relay Configurations . . . . . 16Water Valve (Slow Opening) . . . . . . . . . . . . . . . . . . . 16Outside Air Damper (OAD) . . . . . . . . . . . . . . . . . . . . 16START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-18Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 17Unit Start-Up Cooling Mode . . . . . . . . . . . . . . . . . . . . . 17Unit Start-Up Heating Mode . . . . . . . . . . . . . . . . . . . . . 17Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 18Ground Coupled, Closed Loop and PlateframeHeat Exchanger Well Systems . . . . . . . . . . . . . . . . 18PageOPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Units with Aquazone™ Complete C Control . . . . . 19Units with Aquazone Deluxe D Control . . . . . . . . . . 19SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19,20Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Aquazone Deluxe D Control LED Indicators . . . . . 20SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20-22Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 21Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . . . 21Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 22Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 22TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . 22-25Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Control Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22START-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 oraccessories when modifying this product. Refer to the individ-ual instructions packaged with the kits or accessories wheninstalling.IMPORTANT: Read the entire instruction manual beforestarting installation.Rooftop Water Source Heat Pump Units50RTGTM