User Manuals: McQuay SWP 070 Self-Contained AC System

Manuals and User Guides for McQuay SWP 070 Self-Contained AC System. We have 1 McQuay SWP 070 Self-Contained AC System manual available for free PDF download: Installation And Maintenance Manual

McQuay SWP 070 Installation And Maintenance Manual

McQuay SWP 070 Installation And Maintenance Manual (44 pages)

Self-contained Air Conditioning System Type SWP Vintage Sizes 18D thru 95D, 105E

Brand: McQuay | Category: Air Conditioner | Size: 2 MB

Table of Contents

Table of Contents
2
Introduction
3
General Description
3
Inspection
3
Nomenclature
3
Swp-055-D
3
Installation

4
Refrigerant Piping

5
- Pressure Relief Valves
  5
Water Connections

6
- General
  6
- Condenser Piping
  6
- Condensate Drain Connection
  8
Duct Connections

9
- Supply Air
  9
- Return Air
  9
Physical Data

10
Dimensional Data

11
Unit Weights

13
Field Wiring

14
- General
  14
- Unit Disconnect
  14
- Return Air and Outside Air Sensor
  14
- Supply Power Wiring
  16
- Lug Sizes for Single Disconnect or Power Block
  16
Control Center

17
Electrical Legend

18
Typical Wiring Schematics

19
Standard Controls

27
- High Pressure Switches
  27
- Low Pressure Switches
  27
- Compressor Motor Protector
  27
- Proof of Airflow Switch
  27
- Frost Protection Switches
  27
- Clogged Filter Switch
  27
Unit Options

28
- Duct High Limit
  28
- Phase Fail/Under Voltage Protection
  28
- Duct Static Pressure Sensor
  28
  - Mounting Instructions
    28
- Building Static Pressure Sensor
  28
  - Building Pressurization Applications
    29
- Freezestat
  29
- Condenser Water Flow Switch
  29
- Water Side Economizer
  29
- Condenser Water, Head Pressure Control
  30
- Variable Inlet Vanes
  30
- Adjustable Frequency Drive
  30
- Disconnect Switch
  30
- Dual Power Supply
  30
- Battery Pack
  30
- Electric Heat
  30
- Hot Water Control
  30
System Check, Test and Start

31
- General
  31
- Pre Start-Up
  31
- Start-Up
  31
  - Fan Start-Up
    32
  - Compressor Start-Up
    32
  - Economizer Start-Up
    32
  - Hot Water Start-Up
    32
  - Expansion Valve Superheat Adjustment
    32
  - Refrigerant Charge
    33
  - Variable Air Volume (VAV) Start-Up
    34
  - Rpm Changes
    34
  - Drive Sheave Alignment and Belt Tension
    34
  - Final Control Settings
    35
  - Maintaining Control Parameter Records
    35
System Maintenance

36
- Preventative Maintenance
  36
- Motor Bearings
  36
Replacement Parts

37
Service and Warranty Procedure

38
- In Warranty Return Material Procedure
  38
- Replacement Parts
  38
- Product Warranty
  38
Check, Test and Start Procedure Form

39

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