McQuay SWP 095

© 2001 McQuay International
Self-contained Air Conditioning System
Type SWP Vintage Sizes 18D thru 95D, 105E
Installation and Maintenance IM-708
Group: Applied Systems
Part Number: IM708
Date: February 2002
MEA
368-93-E

McQuay SWP 095 Specifications

General

Brand	McQuay
Model	SWP 095
Category	Air Conditioner
Language	English

Summary

Introduction and Unit Overview

Equipment Inspection Upon Receipt

Instructions for carefully checking received equipment for completeness and damage.

Installation Procedures and Guidelines

Safe Unit Handling and Movement

Provides guidelines for safely moving and handling the unit during installation.

Location and Service Access Requirements

Specifies recommended clearances for unit installation and maintenance access.

Refrigerant Piping and Pressure Relief

Pressure Relief Valve Specifications

Describes the spring-loaded relief valve setpoint and venting connection.

Field Wiring and Electrical Connections

General Field Wiring Requirements

Covers wiring compliance, safety, and component identification.

Supply Power Wiring and Lug Sizing

Control Center Layout and Components

Typical Wiring Schematics

Power Schematic Diagram

Illustrates the main power wiring for the unit circuits.

Input Schematic: Discharge Air Control (DAC)

Input Schematic: ZoneSpace Comfort Control (SCC)

Output Schematic: Actuator Control

Output Schematic: Actuator Control Details

Output Schematic: Auxiliary Fan Control

Output Schematic: Compressor Control (4 Compressors)

Output Schematic: Compressor Control (6 Compressors)

Standard Unit Control Features

High Pressure Switch Operation

Explains the function and setpoints of high pressure switches.

Low Pressure Switch Operation

Describes the function and setpoints of low pressure switches.

Compressor Motor Protector Function

Details the thermal protection for compressor motors.

Proof of Airflow Switch Function

Explains the airflow switch for fan operation monitoring.

Frost Protection Switch Function

Describes the switch that protects against evaporator coil freeze-up.

Clogged Filter Switch Function

System Check, Test, and Start Procedures

General Start-up and Inspection Checklist

Pre Start-up Procedures

Unit Operation Start-up Sequences

Supply Fan Start-up Procedure

Compressor Start-up Sequence

Expansion Valve Superheat Adjustment

Refrigerant Charge and Superheat Adjustment

Drive Sheave Alignment and Belt Tension

Final Control Settings Configuration

Service and Warranty Procedures

In Warranty Return Material Procedure

Product Warranty Terms and Conditions