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

Also see for AQUAZONE VQL: Operating and troubleshooting

Contents

Carrier Aquazone 50HQL 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. 535-00096 Printed in U.S.A. Form 50H,V-9SI Pg 1 6-03 Replaces: 50H,V-8SIBook 1 4Tab 5a 5aInstallation, Start-Up, andService InstructionsCONTENTSPageSAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2• STORAGE• PROTECTION• INSPECT UNITStep 3 — Location of Unit . . . . . . . . . . . . . . . . . . . . . . . 10Step 4 — Mounting the Unit . . . . . . . . . . . . . . . . . . . . . 10• HORIZONTAL UNITS• VERTICAL UNITSStep 5 — Duct System . . . . . . . . . . . . . . . . . . . . . . . . . . 10• SOUND ATTENUATION• EXISTING DUCT SYSTEMStep 6 — Condensate Drain . . . . . . . . . . . . . . . . . . . . . 11• HORIZONTAL UNITS• VERTICAL UNITS• VENTINGStep 7 — Piping Connections . . . . . . . . . . . . . . . . . . . 12• WATER LOOP APPLICATIONS• GROUND-WATER APPLICATIONS• GROUND-LOOP APPLICATIONSStep 8 — Electrical Wiring. . . . . . . . . . . . . . . . . . . . . . . 12• POWER CONNECTION• SUPPLY VOLTAGE• EXTERNAL LOOP POWER CONNECTION• 208-VOLT OPERATION• AIRFLOW AND EXTERNAL STATIC PRESSUREStep 9 — Low Voltage Wiring. . . . . . . . . . . . . . . . . . . . 28• THERMOSTAT CONNECTIONS• WATER FREEZE PROTECTION• AIR COIL FREEZE PROTECTION• ACCESSORY CONNECTIONS• WATER SOLENOID VALVESPRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . 28-30C Control Jumper Settings . . . . . . . . . . . . . . . . . . . . 28C Control DIP Switches . . . . . . . . . . . . . . . . . . . . . . . 28D Control Jumper Settings . . . . . . . . . . . . . . . . . . . . 28D Control DIP Switches . . . . . . . . . . . . . . . . . . . . . . . 29D Control Accessory Relay Configurations . . . . . 30START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30-32Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Start Up System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 31Unit Start-Up Cooling Mode . . . . . . . . . . . . . . . . . . . . . 31Unit Start-Up Heating Mode . . . . . . . . . . . . . . . . . . . . . 31Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31PageFlushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 32Ground Coupled, Closed Loop and PlateframeHeat Exchanger Well Systems . . . . . . . . . . . . . . . . 32OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32,33Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32Units with Aquazone Complete C Control . . . . . . . 32Units with Aquazone Deluxe D Control . . . . . . . . . . 32SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33,34Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Aquazone Deluxe D Control LED Indicators . . . . . 33SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34,35Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Water Coil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 34Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . . . 34Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 35Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 35Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 35TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . 36-38Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36Control Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36START-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.Water Source Heat Pump Units50HQL,VQLTM