Main
Installation, Start-Up, and Service Instructions
CONTENTS
SAFETY CONSIDERATIONS
GENERAL
INSTALLATION Step 1 Check Jobsite
Step 2 Check Unit
Page
LEFT RETURN RIGHT RETURN
Fig. 1 50PCH Unit Dimensions
a50-8695
UNIT HANGER DETAIL
50PCH006-060 UNITS
Fig. 2 Typical Installation 50PCH Units
a50-7842ef
UNIT HANGER ISOLATION DETAIL
TOP VIEW-LEFT RETURN
TOP VIEW-FRONT RETURN
Fig. 3 50PCV Unit Dimensions
a50-8696
Step 3 Locate Unit
Step 4 Mount the Unit
Step 5 Check Duct System
Step 6 Install Condensate Drain
Step 7 Pipe Connections
Step 8 Wire Field Power Supply
a50-8490
Fig. 13 50PCH,PCV Units with Complete C Controller, Single-Phase
Complete C
a50-8491
Fig. 14 50PCH,PCV Units with Deluxe D Controller, Three-Phase (208/230 V)
Deluxe D
a50-8492
Fig. 15 50PCH,PCV Units with Deluxe D Controller, Three-Phase (460 V)
Deluxe D
Fig. 16 50PCH,PCV Units with Complete C and LON Controller (460 V)
a50-8493
1. Compressor and blower motor thermally protected internally.
Fig. 17 50PCH,PCV units with Deluxe D and LON Controller (460 V)
a50-8440
Deluxe D
Page
Page
a50-8380 Fig. 20 WSHP Open Control
WSHP Open Inputs and Outputs Table
Table 3 50PCH,PCV Unit Electrical Data
a50-8162
Fig. 21 Typical Single-Phase Line Voltage Power Connection
Step 9 Wire Field Controls
Page
PRE-START-UP System Checkout
PSC (Permanent Split Capacitor) Blower Speed Selection
Table 9 50PCH,PCV Blower Performance Standard Unit
Table 10 50PCH,PCV Blower Performance High-Static Unit
FIELD SELECTABLE INPUTS
Complete C Control Jumper Settings (Refer to Fig. 13 and 16)
Complete C Control DIP Switches
Deluxe D Control Jumper Settings (Refer to Fig. 14, 15, and 17)
Deluxe D Control DIP Switches
Deluxe D Control Accessory Relay Configura- tions
Water Valve (Slow Opening)
Outside Air Damper (OAD)
START-UP
Operating Limits
Scroll Compressor Rotation
Unit Start-Up Cooling Mode
Table 15 50PC006 Typical Unit Operating Pressures and Temperatures
Table 16 50PC009 Typical Unit Operating Pressures and Temperatures
Table 17 50PC012 Typical Unit Operating Pressures and Temperatures
Table 18 50PC015 Typical Unit Operating Pressures and Temperatures
Table 19 50PC018 Typical Unit Operating Pressures and Temperatures
Table 20 50PC024 Typical Unit Operating Pressures and Temperatures
Table 21 50PC030 Typical Unit Operating Pressures and Temperatures
Table 22 50PC036 Typical Unit Operating Pressures and Temperatures
Table 23 50PC042 Typical Unit Operating Pressures and Temperatures
Unit Start-Up Heating Mode
Unit Start-Up with WSHP Open Controls
Page
Flow Regulation
Flushing
Antifreeze
Cooling Tower/Boiler Systems
OPERATION Power Up M ode
Units with Aquazone Complete C Control
Units with Aquazone Deluxe D Control
Units with WSHP Open Multiple Protocol
Page
Page
COMPLETE C AND DELUXE D BOARD SYSTEM TEST
Test Mode
WSHP Open Test Mode
Retry Mode
Aquazone Deluxe D Control LED Indica- tors
SERVICE
Filters
Water Coil
Condensate Drain Pans
Refrigerant System
Air Coil Cleaning
Condenser Cleaning
Checking System Charge
Refrigerant Charging
Air Coil Fan Motor Removal
Replacing the WSHP Open Controllers Battery
TROUBLESHOOTING (Fig. 32 and 33, and Table 32)
Thermistor
Control Sensors
Table 32 Troubleshooting
Table 32 Troubleshooting (cont)
APPENDIX A WSHP OPEN SCREEN CONFIGURATION
Page
APPENDIX A WSHP OPEN SCREEN CONFIGURATION (cont)
Page
Page
Page
Page
Page
Page
HEATING CYCLE ANALYSIS
COOLING CYCLE ANALYSIS
97B0038N05
a50-8446
a50-8445