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Gardner Denver DGH450 User Manual

Gardner Denver DGH450
56 pages
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SERVICE DEPARTMENT (724) 746-1100
Internal Use Only
479.25D/040625
IINNSSTTRRUUCCTTIIOONN MMAANNUUAALL
DDGGHH SSeerriieess
MODELS
RATE
D
FLOW
MODEL
REFERENCE
DGH40
DGH60
DGH90
40 SCFM
60 SCFM
90 SCFM
40
60
90
DGH115
DGH165
DGH260
115 SCFM
165 SCFM
260 SCFM
115
165
260
DGH370
DGH450
DGH590
370 SCFM
450 SCFM
590 SCFM
370
450
590
DGH750
DGH930
DGH1130
750 SCFM
930 SCFM
1130 SCFM
750
930
1130
DGH1350
DGH1550
DGH2100
1350 SCFM
1550 SCFM
2100 SCFM
1350
1550
2100
DGH3000
DGH4100
DGH5400
3000 SCFM
4100 SCFM
5400 SCFM
3000
4100
5400
Contents
1. GENERAL SAFETY INFORMATION .........................................2
2. RECEIVING, MOVING, UNPACKING........................................2
3. DESCRIPT
ION ...........................................................................3
4. INSTALLATION ..........................................................................7
5. CONTROLL
ERS – GENERAL..................................................14
6. CONTROLL
ER – LEVEL 1.......................................................16
7. CONTROLL
ER – LEVEL 2.......................................................27
8. OPERATION ............................................................................45
9. MAINTENANCE .......................................................................51
10. TROUBLESHOOTING ...........................................................53
11. NOTE
S ...................................................................................54
PP RR EE SS SS UU RR EE -- SS WW II NN GG
DD EE SS II CC CC AA NN TT TT YY PP EE
CC OO MM PP RR EE SS SS EE DD
AA II RR DD RR YY EE RR SS
4011196
7610
.479.32 Rev. B 6/04
18-3-625

Table of Contents

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Gardner Denver DGH450 Specifications

General IconGeneral
BrandGardner Denver
ModelDGH450
CategoryDehumidifier
LanguageEnglish

Summary

General Safety Information

Pressurized Devices Safety

Safety precautions for pressurized components and pressure limits.

Electrical Safety

Electrical safety requirements for operation and maintenance.

Installation Procedures

Operating Conditions Specifications

Specifies operating pressure, temperature, and ambient conditions.

Level 1 Controller Operation

Level 1 Front Panel Indicators & Switches

Describes LEDs, switches, and alarm functions on the Level 1 controller.

Level 2 Controller Operation

Level 2 Front Panel Operation

Describes LEDs, switches, and operational modes of the Level 2 controller.

Level 2 Program Mode

Details how to enter and navigate the controller's program mode settings.

Level 2 Setup Mode

Explains how to enter and configure the controller's setup mode.

Level 2 Alarm & Service Mode

Explains how the controller displays alarms and service reminders.

Level 2 Test Mode

Explains how to enter and perform tests in manual cycle mode.

Level 2 Test Mode Screens

Guides through the steps of the Level 2 controller's test mode.

Dryer Operation

Start-up Procedures

Guides through the initial startup procedure for the dryer.

Adjusting the Purge Rate

Explains how to set the purge rate pressure for optimal regeneration.

Operational Check Points

Lists periodic checks for dryer operation and status.

Maintenance Procedures

Desiccant Replacement

Provides instructions and frequency for desiccant replacement.

Troubleshooting Guide

Indicator Lights Not Illuminated

Lists causes and corrections for non-illuminated indicator lights.

Moisture Indicator Yellow

Addresses issues with the moisture indicator showing elevated dew points.

Premature Desiccant Saturation

Troubleshooting steps for desiccant saturating prematurely.

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