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