Contents
Installation, Start-Up, Service Instructions
Contents
Installation
Safety Considerations
General
Physical Data 50PSH, PSV, PSD018-070 Units
Typical Installation 50PSH Unit
ASP
BSP
CAP
Code Return Discharge CSP
50PSV Dimensional Data
A50-7846ef
HWR Hot Water Reheat Left Hand Right Hand
Side Discharge
Back Discharge
Install Condensate Drain
Mount the Unit
Trap Condensate Drain Connection
Open Loop and Recirculating Well
Water Quality Guidelines
Material
Typical Ground-Water Piping Installation
Metal Hose Minimum Bend Radii
Wire Field Power Supply
Supply/Return Hose Kit
Complete C Controller Fault Codes
Description of Operation LED Alarm Relay
Trans
Astat
Wire Number
BMC
Compr
Yellow RED
ECM
LWT
A50-8363
Units with ECM, Complete C and LON Controller 460
A50-8364
Units with ECM, Deluxe D and LON Controller 460
Hpws
SAT
Mves
WHSP-OPEN
A50
8354
8356
LWT
A50-8380
Wshp Open Control
50PSH, PSV, PSD Electrical Data PSC Motor
50PSH, PSV, PSD Electrical Data PSC High-Static Motor
50PSH, PSV, PSD Electrical Data, ECM Motor
Wire Field Controls
Low Voltage Field Wiring
Rnet Wiring Specifications
A50-8441
A50-8442
Field-Supplied Sensors for Wshp Open Controller
Rnet Wiring
Wire Terminal
Operate ECM Interface Board
A50-8443
Setting Size
ECM Blower Motor Performance Data
Rated MIN FAN
Unit Airflow CFM Speed Size
Coil Units with Reheat ESP Loss Face Velocity
FPM
Complete C Control Jumper Settings
Deluxe D Control Jumper Settings
PRE-START-UP
Field Selectable Inputs
DIP Switch Block S2 Accessory 1 Relay Options
DIP Switch Block S2 Accessory 2 Relay Options
Humidistat/Dehumidistat Logic Deluxe D DIP Switch Settings
VAC
HWR Operating Modes
A50-8145
Unit Start-Up Cooling Mode
START-UP
Operating Limits
Operating Limits 50PSH, PSV, PSD Units
Unit Start-Up Heating Mode
Water Temperature Change Through Heat Exchanger
Cooling Heating Water Flow Rate GPM Rise F Drop F
Water Flow Temp
GPM/ton Pressure Heat Cooling Rise Drop Psig
Flow
Flow
Unit Start-Up with Wshp Open Controls
BACview6 Display Interface
50PSH, PSV, PSD Water Water Temperature F Flow
50PSH, PSV, PSD Coaxial Water Pressure Drop
Unit Size
GPM
Approximate Fluid Volume gal Per 100 Ft of Pipe
Antifreeze Percentages by Volume
Operation
Units with Aquazone Complete C Control
Units with HWR Option
Units with Wshp Open Multiple Protocol
Page
Page
Complete C and Deluxe D Board System Test
LED Status Description of Operation Alarm Relay
Off
Complete C Control LED Code Fault Descriptions
LED Code Fault Description
Aquazone Deluxe D Control LED Indica
Description Status LED Test LED
Service
Troubleshooting
Refrigerant Charging
Air Coil Fan Motor Removal
Replacing the Wshp Open Controller’s Bat
FP1 and FP2 Thermistor Location
Page
ECM Troubleshooting
Fault Description Solution
ECM Pin Connectors
A50-8448
ECM Troubleshooting Flow Diagram
A50-8447
Wshp Troubleshooting
Fault Heating Cooling Possible Cause Solution
Good Practices
TXV
Condensate Fault
Code 7 Auto Resetting
No Fault Code Shown
Code
Temperature in Heating
High Head Pressure
Low Suction Pressure
Low Discharge Air
Appendix a Wshp Open Screen Configuration
Appendix a Wshp Open Screen Configuration
Set Points
Weekly Schedule
Exception
Schedules 1
Service
Appendix a Wshp Screen Open Configuration
Test
Point Name Password Editable Range Default Level
Configuration Service
Screen Name
Alarm
Linkage
Page
Page
Copyright 2009 Carrier Corporation
50PSH,PSV,PSD START-UP Checklist
II. START-UP
Heating Cycle Analysis
Cooling Cycle Analysis
A50-8494
A50-8495