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Skyline OAC Series
McQuay Skyline OAC Series User Manual
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Inst
allation and Maintenance Manual
IM 777-4
Skyline
Air Handler
Group:
Applied Air Systems
Part Number:
IM 777
Date:
May 2009
© 2009 McQuay Interna
tional
Models OAC/OAH 003G – 090G
2
Table of Contents
Default Chapter
2
Table of Contents
2
Introduction
3
General Information
3
Receiving and Handling
3
Unit Storage
3
Nomenclature
3
Installation Guidelines
3
Mechanical Installation
4
Service Clearances
4
Rigging
4
Curb Mounting and Unit Leveling
4
Assembling Sections
5
Shipping Sections
5
Panels, Frame Channels, and Doors
7
Panel Removal
7
Frame Channel Removal
7
Access Doors and Panels
7
Fan Section Doors
7
Injected-Foam Insulated Panels
8
Field Mounting Junction Boxes and Other Components
8
Duct Connections
8
Dampers and Hoods
9
Mounting Actuators
9
Face and Bypass Section Mounting
10
Piping Vestibules
10
Piping and Coils
10
Water Cooling Coils
10
Direct Expansion Coils
10
Steam Coils
11
Water Heating Coils
13
Drain Pan Traps
13
Internal Isolation Assembly Adjustment
14
Electrical Installation
16
Wiring
16
Operation Guidelines
17
Startup Checks
17
Before Starting the Unit
17
Fan Wheel Alignment
18
Operating Limits
19
Fan Vibration Levels
21
Vibration Causes
21
Service and Maintenance
22
Periodic Maintenance
22
Ball Bearing Lubrication
22
Motor Bearings
22
Fan Shaft Bearings
22
Fan Drive
23
VM and VP Variable Pitch Key Type Sheaves
23
LVP Variable Speed Sheaves
24
MVP Variable Speed Sheaves
25
Fan Drive Belt
26
Front Load Filter Option
28
Filter Gauges
28
Coils
28
Winterizing Water Coils
29
Removing and Replacing Components
29
Removing the Fan Section
29
Parts
31
Replacement Parts
31
Service and Warranty Procedure
32
Warranty
32
Warranty Return Material Procedure
32
Check, Test, and Start Procedure Form
33
Quality Assurance Survey Report
35
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McQuay Skyline OAC Series Specifications
General
Brand
McQuay
Model
Skyline OAC Series
Category
Air Handlers
Language
English
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