18063 Rev E 06/17
(800) 234-4239
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Environmental Technology, Inc.
Model EDH–4 Rev E Installation and Operation Manual
TABLE OF CONTENTS
SECTION PAGE
Safety Information and Warning Summary
2
Glossary
4
Returns and Replacement Parts Purchases
4
Replacement Parts List
4
Ordering Information
4
Introduction 5
Purpose of EDH–4
5
Description
5
Installation
6
Unpacking/Packing
6
Inventory List
6
Additional Equipment Required for Installation
6
Initial Inspection
6
Location of Installation
6
Mounting the EDH–4
7
Preparation and System Set-up
8
Principal Considerations
8
Power Connection
8
Pneumatic Connection
8
Operation
9
Control
9
Information Display
9
Operating Procedures
10
Automatic Operation
10
Alarm Relays
10
Emergency Procedures
10
Abnormal Smoke or Odor
10
Ruptured Feed Window
10
Technical Description
11
Electronic
11
Pneumatic
11
Theory of Operation
11
Maintenance
12
Periodic Maintenance
12
Renewing the Desiccant
12
Regenerating the Desiccant
15
Troubleshooting
15
Specifications
16
