DryGair DG6 User manual

June 2020
Ver. 06/2020
DryGair Dehumidification Unit
Installation, Operation, and Maintenance
Manual (50 Hz & EU Models)

DryGair Energies Ltd.
ii
DryGair Energies Ltd. — www.drygair.com
8 Hamanofim St., Herzliya Pituach 46733
Tel.: [phone], Fax: [phone]
: drygair.energies
Proprietary and Confidential
Copyright © 2020 by DryGair Energies Ltd.
All rights reserved. No part of this manual may be reproduced or copied in any form by any means-
graphic, electronic, or mechanical, including photocopying, typing or information retrieval systems-
without written permission of DryGair Ltd.

DryGair Dehumidification Unit
Table of Contents
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TABLE OF CONTENTS
1. Introduction _________________________________________ 1
2. Safety ______________________________________________ 3
3. Unit Overview ________________________________________ 6
4. Installation __________________________________________ 9

Table of Contents
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5. Unit Parts and Components ___________________________ 22
6. Unit Operation ______________________________________ 32
7. Maintaining the Unit__________________________________ 41
8. Troubleshooting and Repairing the Unit _________________ 47

DryGair Dehumidification Unit
Table of Contents
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9. Appendices_________________________________________ 49
10. Comments and Notes ________________________________ 92

List of Figures
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LIST OF FIGURES
Figure 2-1. DryGair Identification label__________________________________________ 5
Figure 3-1. DryGair unit (front view) ____________________________________________ 8
Figure 3-2. DryGair unit (rear view) ____________________________________________ 8
Figure 4-1. Transferring the unit______________________________________________ 14
Figure 4-2. Compressor transport locks after removal _____________________________ 16
Figure 4-3. Air distributor module (4-way canopy) ________________________________ 17
Figure 4-4. Water drain outlet________________________________________________ 19
Figure 4-5. Electrical switchboard and electricity terminal block _____________________ 20
Figure 4-6. Hole for main power cable _________________________________________ 21
Figure 4-7. Replacing wire channel cover ______________________________________ 21
Figure 5-1. Temperature and humidity sensor ___________________________________ 22
Figure 5-2. Sensor unit_____________________________________________________ 22
Figure 5-3. Defrost temperature sensor ________________________________________ 23
Figure 5-4. Electrical compartment ___________________________________________ 24
Figure 5-5. Compressor (front view)___________________________________________ 27
Figure 5-6. Compressor (rear view) ___________________________________________ 27
Figure 5-7. Oil pressure protector and switches__________________________________ 28
Figure 5-8. Service compartment (DG-12) ______________________________________ 29
Figure 5-9. Expansion valve_________________________________________________ 29
Figure 5-10. Service compartment (DG-12 EU) __________________________________ 30
Figure 5-11. Electronic Expansion valve (DG-12 EU) _____________________________ 30
Figure 5-12. Sight glass ____________________________________________________ 31
Figure 5-13. Axial blowing fans ______________________________________________ 31
Figure 6-1. Humidistat controller _____________________________________________ 35
Figure 9-1. Four-direction canopy ____________________________________________ 66
Figure 9-2. Air distributor module (4-way canopy) ________________________________ 67
Figure 9-3. Side canopies (different orientations) ________________________________ 68
Figure 9-4. Air distribution panel _____________________________________________ 69
Figure 9-5. Air heating option ________________________________________________ 70
Figure 9-6. Temperature valve controller _______________________________________ 71
Figure 9-7. DryGair split unit ________________________________________________ 73
Figure 9-8. Connecting copper tubes (lower section)______________________________ 74
Figure 9-9. Tube stop valves – lower section (left) & upper section (right) _____________ 75
Figure 9-10. Electrical cables ________________________________________________ 77
Figure 9-11. Fan connections________________________________________________ 77
Figure 9-12. Brown terminal block (50–56) _____________________________________ 78
Figure 9-13. Water drainage ________________________________________________ 79
Figure 9-14. Unit with heating/cooling _________________________________________ 80
Figure 9-15. Climate control relays ___________________________________________ 81
Figure 9-16. Temperature valve controller ______________________________________ 83
Figure 9-17. Temperature valve controller and serial communication card _____________ 83
Figure 9-18. Controller cover centerpiece ______________________________________ 84
Figure 9-19. Communication card in the controller _______________________________ 84

DryGair Dehumidification Unit
List of Tables
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LIST OF TABLES
Table 4-1. Parts and Accessories ____________________________________________ 15
Table 9-1. Main Parts List __________________________________________________ 91

DryGair Dehumidification Unit
Introduction
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1. INTRODUCTION
This manual provides instructions for operating the DryGair unit correctly
and safely, including installation instructions, maintenance procedures, and
unit troubleshooting.
As DryGair continuously develops its machines to their maximum potential,
this manual, though completely up to date when issued, is subject to changes
without notice.
1.1 Before You Begin
Before you begin working with the DryGair dehumidification unit, read this
manual. The DryGair dehumidification Operation and Maintenance Manual
provides information and procedures for installing and operating the unit, as
well as maintenance, troubleshooting, and repair procedures.
When reading, pay special attention to:
•The safety instructions.
•The conventions. They explain the symbols used in this manual.
Before beginning a procedure, read the procedure through to the end. A
thorough understanding of the entire procedure will prevent unnecessary loss
of time and error.
1.2 Further Information
For further information, contact DryGair at:
Email: [e-mail]
Website: www.drygair.com
Online Technical Support Webpage: https://drygair.com/technical/

Introduction
Conventions
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1.3 Conventions
The following conventions are used in this manual:
Warning
Information given in a “warning” message warns of a possible hazard to
personnel and extreme hazard to the unit.
Caution
Information given in a “caution” message refers to the safe operation of
the unit and provides a warning where the possibility for damage to the
equipment exists.
Note
Information given in a note describes how the part/unit functions or
provides a tip on how best to use it.