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(Mar
, 2012)
Compact CWE Series Installation, Operation & Maintenance Manual
A
ir
T
echnology Systems, Inc.
OZZ0003 Rev
. E; March, 2012
Compact CWE Series Installation, Operation and Maintenance - Speci
fi
cations are subject to change without notice.
39
Table of Contents
Main Page
Default Chapter
3
Table of Contents
3
1 Introduction
5
General
5
Product Description
5
Product Warranty
6
Safety
7
General
7
Safety Summary
7
General Design
9
Figure 1 Typical Internal Layout- Upfl Ow
9
Figure 2 Typical Internal Layout- Downfl Ow
9
Electric Box Access
10
Circuit Breakers/ Motor Start Protectors
10
Heaters
10
Coils
10
EC Fans
10
Temperature/Humidity Sensor
10
Optional Equipment
10
Humidifi er
10
Condensate Pump
10
Smoke Detector
11
Firestat
11
Auto Transfer Switching
11
Figure 3 Auto Transfer Disconnect Switches
11
Figure 4 Preferred Power Selection Switch
11
2 Installation
12
Receiving the Equipment
12
Site Preparation
12
Conditioned Space
12
Figure 5 Recommended Installation Clearance
12
Rigging
13
Mounting/Placement
13
Figure 6 Typical Installation Upfl Ow
13
Air Distribution Connection
14
Upfl Ow Confi Guration Air Patterns
14
Figure 7 Typical Installation Downfl Ow
14
Figure 8 Upfl Ow Confi Guration Air Patterns
14
Downfl Ow Confi Guration Air Patterns
15
Figure 9 Downfl Ow Confi Guration Air Patterns
15
Optional Equipment (Field Installed)
16
Floor Stand
16
Deploying Underfl Oor EC Fans
16
Figure 10 Floor Stand Installation
16
Figure 11 EC Fans Recessed
16
Figure 12 EC Fans Lowered
16
Plenum Box
17
Figure 13 EC Fan Assembly
17
Remote Display
18
Condensate Pump
18
Remote Temperature/Humidity Sensor
18
Types of Control
18
Figure 15 Temperature/Humidity Sensor Location
18
Remote Water Detector
19
Piping Connections
20
Chilled Water/Hot Water
20
Condensate Drain
20
Gravity Drain
20
Condensate Pump
21
Humidifi er
21
Figure 16 Condensate Pump
21
Utility Connections
22
Main Power
22
Figure 17 Sample Nameplate
22
Controls
23
Figure 18 Electric Box
23
Optional Equipment
24
Remote Temperature/Humidity Sensor
24
Remote Water Detector
24
System Settings and Adjustments
24
Chilled Water Circuit
24
EC Fan(S)
24
3 Start-Up/Commissioning
25
Operation
25
Step by Step Start-Up Instructions
25
Microprocessor Controller Programming
25
4 0 Maintenance/Repairs
26
Periodic General Maintenance
26
A/C Unit
26
Filter
26
Fan
26
Drain Pan
26
Coils
26
Heat/Reheat
26
Humidifi er
26
Condensate Pump
27
Troubleshooting
27
Field Service
29
General Common Repairs/Component Replacement
29
Cooling System
29
Leaks
29
Humidifi er Cylinder Replacement
29
Filter Replacement
30
5 Product Support
31
Technical Support
31
Obtaining Warranty Parts
31
Obtaining Spare/Replacement Parts
31
Appendix A - Forms
33
Checklist for Completed Installation
33
Periodic General Maintenance Checks and Service Checklist
35
Appendix B- Glossary
39
Defi Nition of Terms and Acronyms
39
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