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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53500094-01 Printed in U.S.A. Form 50PC-3SI Pg 1 3-11 Replaces: 50PC-2SI
Installation, Start-Up, and
Service Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . .1,2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Step 1 — Check Jobsite . . . . . . . . . . . . . . . . . . . . . . . . 2
Step 2 — Check Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
• STORAGE
•PROTECTION
•INSPECT UNIT
Step 3 — Locate Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
• FIELD CONVERSION OF DISCHARGE AIR
Step 4 — Mount the Unit . . . . . . . . . . . . . . . . . . . . . . . . . 8
• HORIZONTAL UNITS
• VERTICAL UNITS
Step 5 — Check Duct System . . . . . . . . . . . . . . . . . . . . 8
• SOU ND ATTEN UATION
• EXISTING DUCT SYSTEM
Step 6 — Install Condensate Drain . . . . . . . . . . . . . . . 8
• HORIZONTAL UNITS
• VERTICAL UNITS
• VENTING
Step 7 — Pipe Connections . . . . . . . . . . . . . . . . . . . . . . 9
• WATER LOOP APPLICATIONS
• GROUND LOOP APPLICATIONS
• INSTALLATION OF SUPPLY AND RETURN HOSE
KIT
Step 8 — Wire Field Power Supply . . . . . . . . . . . . . . 10
• POWER CONNECTION
• SUPPLY VOLTAGE
• 208-VOLT OPERATION
• 460-VOLT OPERATION
Step 9 — Wire Field Controls. . . . . . . . . . . . . . . . . . . . 20
• THERMOSTAT CONNECTIONS
• WATER FREEZE PROTECTION
• AIR COIL FREEZE PROTECTION
• ACCESSORY CONNECTIONS
• WATER SOLENOID VALVES
• WSHP OPEN WIRING
PRE-START-UP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22,23
System Checkout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
PSC Blower Speed Selection . . . . . . . . . . . . . . . . . . 22
FIELD SELECTABLE INPUTS . . . . . . . . . . . . . . . .24,25
Complete C Control Jumper Settings. . . . . . . . . . . 24
Complete C Control DIP Switches. . . . . . . . . . . . . . 24
Deluxe D Control Jumper Settings . . . . . . . . . . . . . 24
Deluxe D Control DIP Switches . . . . . . . . . . . . . . . . 24
Deluxe D Control Accessory Relay
Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Water Valve (Slow Opening) . . . . . . . . . . . . . . . . . . . 25
Outside Air Damper (OAD) . . . . . . . . . . . . . . . . . . . . 25
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25-33
Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Scroll Compressor Rotation. . . . . . . . . . . . . . . . . . . . . 26
Unit Start-Up Cooling Mode . . . . . . . . . . . . . . . . . . . . . 26
Page
Unit Start-Up Heating Mode . . . . . . . . . . . . . . . . . . . . . 30
Unit Start-Up with WSHP Open Controls . . . . . . . . 30
Flow Regulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Flushing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Antifreeze . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Cooling Tower/Boiler Systems . . . . . . . . . . . . . . . . . . 32
OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-36
Power Up Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Units with Aquazone Complete C Control . . . . . . . 33
Units with Aquazone Deluxe D Control
. . . . . . . . . . 33
Units with WSHP Open Multiple Protocol. . . . . . . . 33
COMPLETE C AND DELUXE D BOARD
SYSTEM TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36-38
Test Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
WSHP Open Test Mode. . . . . . . . . . . . . . . . . . . . . . . . . . 36
Retry Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Aquazone Deluxe D Control LED Indicators . . . . . 37
SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38-40
Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Water Coil. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Condensate Drain Pans . . . . . . . . . . . . . . . . . . . . . . . . . 38
Refrigerant System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Fan Motors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Condensate Drain Cleaning . . . . . . . . . . . . . . . . . . . . . 38
Air Coil Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Condenser Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Checking System Charge . . . . . . . . . . . . . . . . . . . . . . . 39
Refrigerant Charging. . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Air Coil Fan Motor Removal . . . . . . . . . . . . . . . . . . . . . 40
Replacing the WSHP Open Controller’s
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . 40-42
Thermistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Control Sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
WSHP Open Controller . . . . . . . . . . . . . . . . . . . . . . . . . . 40
APPENDIX A — WSHP OPEN SCREEN
CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . 43-48
50PCH,PCV START-UP CHECKLIST . . . . . CL-1, CL-2
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.
Untrained personnel can perform basic maintenance func-
tions of cleaning coils and filters and replacing filters. All other
operations should be performed by trained service personnel.
When working on air-conditioning equipment, observe
precautions in the literature, tags and labels attached to the unit,
and other safety precautions that may apply.
IMPORTANT: Read the entire instruction manual before
starting installation.
AQUAZONE™
50PCH,PCV006-060
Compact High-Efficiency Water Source Heat Pumps
with PURON
®
Refrigerant (R-410A)