Carrier AQUAZONE 50PTH Manuals

AQUAZONE vM 50PTH, PTV, PTD026-072 Two-Stage Water Source Heat Pumps with PURON ® Refrigerant (R-410A) Installation, Start-Up, and Service Instructions CONTENTS Page SAFETY CONSIDERATIONS ..................... 1,2 GENERAL ........................................ 2 INSTALLATION ................................ 2-31 Step 1 -- Check Jobsite .......................... 2 Step 2 u Check Unit ............................. 2 • STORAGE • PROTECTION • INSPECT UNIT Step 3 -- Locate Unit ............................. 8 • FIELD CONVERSION OF DISCHARGE AIR Step 4 u Mount the Unit ......................... 9 • HORIZONTAL UNIT • VERTICAL UNITS Step 5 -- Check Duct System .................... 9 • SOUND ATTENUATION • EXISTING DUCT SYSTEM Step 6 _ Install Condensate Drain ............... 9 • HORIZONTAL UNIT • VERTICAL UNITS • VENTING Step 7 -- Pipe Connections ..................... 10 • WATER LOOP APPLICATIONS • GROUND-WATER APPLICATIONS • GROUND-LOOP APPLICATIONS • INSTALLATION OF SUPPLY AND RETURN HOSE KIT Step 8 -- Wire Field Power Supply .............. 12 • POWER CONNECTION • SUPPLY VOLTAGE • 208-VOLT OPERATION • 460-VOLT OPERATION • WSHP OPEN WIRING Step 9 _ Wire Field Controls .................... 28 • THERMOSTAT CONNECTIONS • WATER FREEZE PROTECTION • AIR COIL FREEZE PROTECTION • ACCESSORY CONNECTIONS • WATER SOLENOID VALVES Step 10- Operate ECM Interface Board ........ 30 • COOLING • HEATING • CFM ADJUST • DEHUMIDIFICATION MODE PRE-START-UP .................................. 31 System Checkout ............................... 31 FIELD SELECTABLE INPUTS ................. 31-34 Complete C Control Jumper Settings ............ 31 Deluxe D Control Jumper Settings .............. 31 Complete C Control DIP Switches ............... 32 Deluxe D Control DIP Switches .................. 32 Units with Modulating Hot Water Reheat (HWR) Option ................................. 33 Deluxe D Control Accessory Relay Configurations ......................... 33 START-UP .................................... 34-39 Operating Limits ................................ 34 Page Scroll Compressor Rotation ..................... 35 Unit Start-Up Cooling Mode ..................... 35 Unit Start-Up Heating Mode ..................... 35 Unit Start-Up with WSHP Open Controls ........ 37 Flow Regulation ................................. 38 Flushing ........................................ 38 Antifreeze ....................................... 38 Cooling Tower/Boiler Systems .................. 39 Ground Coupled, Closed Loop and Plateframe Heat Exchanger Well Systems ................ 39 OPERATION .................................. 39-43 Power Up Mode ................................. 39 Units with Aquazone TM Complete C Control ..... 39 Units with Aquazone Deluxe D Control .......... 39 Units with WSHP Open Multiple Protocol ........ 40 COMPLETE C AND DELUXE D BOARD SYSTEM TEST .............................. 43,44 Test Mode ....................................... 43 WSHP Open Test Mode .......................... 44 Retry Mode ...................................... 44 Aquazone Deluxe D Control LED Indicators ..... 44 SERVICE ..................................... 45-3"7 Filters ........................................... 45 Water Coil ....................................... 45 Condensate Drain Pans ......................... 45 Refrigerant System .............................. 45 Compressor ..................................... 45 Fan Motors ...................................... 45 Condensate Drain Cleaning ..................... 45 Air Coil Cleaning ................................ 45 Condenser Cleaning ............................ 45 Checking System Charge ....................... 46 Refrigerant Charging ............................ 46 Air Coil Fan Motor Removal ..................... 46 Replacing the WSHP Open Controller's Battery ........................................ 46 TROUBLESHOOTING ........................ 46-54 Thermistor ...................................... 46 Control Sensors ................................... 46 WSHP Open Controller ............................ 4"7 Thermostatic Expansion Valves .................. 4"7 Stopped or Malfunctioned ECM Motor ............ 5] Moisture Check .................................... 52 APPENDIX A -- WSHP OPEN SCREEN CONFIGURATION .......................... 55-60 50PTH,PTV, PTD START-UP CHECKLIST .......................... CL-1, CL-2 IMPORTANT: Read the entire instruction manual before [ starting installation. l SAFETY CONSIDERATIONS Installation and servicing of air-conditioning equipment can be hazardous due to system pressure and electrical compo- nents. Only trained and qualified service personnel should install, repair, or service air-conditioning equipment. Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 04-53500056-01 Printed in U.S.A. Form 50PT-3SI Pg 1 7-09 Replaces: 50PT-2SI