Table of Contents
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Console Water Source Heat Pump
Models WDA, WDB, WDD, WDE, WDF, WDG, WDH, WDS, WLA, WLB, WLC, WLL
WMA, WMB, WMC, WMD, WME, WMF, WMG, WMH, WMU, WMK, WML
Model Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Checking for Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3,4
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Cabinet Power Connections . . . . . . . . . . . . . . . . . . . . . . . 5
Water Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Cleaning & Flushing System . . . . . . . . . . . . . . . . . . . . . . . 7
Operating Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
©2006 McQuay International
Installation & Maintenance Data
Installation & Maintenance Data
Contents
Unit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Wiring Diagrams - Mark IV/AC-Units . . . . . . . . . . . . . . 9,10
Control Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Thermostats - Mark IV/AC-Units . . . . . . . . . . . . . . . . . . 12
Pump Restart Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
MicroTech Control Units . . . . . . . . . . . . . . . . . . . . . . . 14,15
Field Installed Options . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Optional Outside Air Damper . . . . . . . . . . . . . . . . . . . . . 18
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18,19
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
IM 447-9
Group: WSHP
Part Number: 107225603
Date: June 2006
®
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Table of Contents
Related Manuals for McQuay WMF series
Summarization of Contents
Unit Installation Procedures
General Installation Guidelines
Covers basic requirements, precautions, and coordination for unit installation.
Unit Location and Mounting Details
Specifies ideal placement, environmental considerations, and mounting steps.
Electrical Connection Procedures
Standard Electrical Connection Method
Describes standard electrical connection to unit junction box.
Field-Installed Power Connection
Instructions for field-installing power connection components.
Water Connections and Piping Guide
Unit Water Piping and Valve Details
Details on connecting water lines, valves, and hose kits.
Condensate Hose Connection Procedure
Procedure for connecting the unit's condensate drain line.
Unit Specifications and Operating Parameters
Operating Limits and Environmental Conditions
Details operating environment, air/water limits, and additional information.
Electrical Data and Operating Voltage Ranges
Provides information on electrical requirements, voltage ranges, and data.
General Operation and Control System Overview
Overview of unit operation, thermostat types, and basic control principles.
Mark IV/AC Control Features and Safety
Explains Mark IV/AC control functions, lockout circuits, and fault management.
Operating Modes and Fan Control
Describes continuous fan, auto/manual modes, and cooling/heating operations.
60 Hz Wiring Diagrams
60 Hz Mark IV MCO Wiring Details
Detailed wiring diagram for 60 Hz units with Mark IV/AC controls.
50 Hz Wiring Diagrams
50 Hz Mark IV MCO Wiring Details
Detailed wiring diagram for 50 Hz units with Mark IV/AC controls.
Motorized Valve and Relay Applications
Motorized Valve Relay Installation
Instructions for installing the motorized valve relay.
Auxiliary Relay Control Options
Examples of auxiliary relay use for fault signals or external control.
Thermostat Connection Diagrams
7-Day Programmable Thermostat Wiring
Wiring for the 7-day programmable electronic thermostat.
Non-Programmable Thermostat Wiring
Wiring for the non-programmable electronic thermostat.
Remote Sensor Installation
Procedure for installing and connecting a remote room sensor.
Pump Restart Relay Kit Installation
LWC Panel Pump Restart Relay Wiring
Instructions for wiring pump restart relay in LWC panel.
WSHP Control Box Pump Restart Relay Wiring
Instructions for wiring pump restart relay in WSHP control box.
Multiple Unit Control Panel Options
Up to 3 Units Control Panel
Details for control panel managing up to three units.
Up to 2 Units Control Panel
Details for control panel managing up to two units.
MicroTech Network Control System
System Overview and Capabilities
Explanation of MicroTech system for unit control and monitoring.
Network Architecture Diagram
Diagram of MicroTech system network layout.
MicroTech Field Installed Options
MicroTech Output Configuration Options
Configuring unit outputs for scheduled, auxiliary heat, damper, valve control.
Troubleshooting Common Issues
Fan and Compressor Not Running Diagnosis
Diagnosing fan or compressor failure to start.
Fan Operates, Compressor Does Not Diagnosis
Troubleshooting when fan operates, but compressor does not.
Troubleshooting Compressor and System Performance
Compressor Start-Up Failure Diagnosis
Diagnosing why compressor attempts to start but does not run.
Compressor Short Cycling Diagnosis
Addressing frequent compressor cycling on and off.
Insufficient Cooling or Heating Resolution
Troubleshooting causes for inadequate cooling or heating.
Water Flow, Drips, and Noise Issues
Diagnosing water flow, leaks, and abnormal unit noise.
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