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Gardner Denver GDD37F - User Manual

Gardner Denver GDD37F
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Cod. 710.0138.72.00 Rev.10 – 02.2022 © Copyright 2022 Gardner Denver - All rights reserved 1 - 10
DIRECT EXPANSION COMPRESSED AIR DRYERS
Operators Manual
GDD4F
GDD7F
GDD9F
GDD12F
GDD18F
GDD24F
GDD30F
GDD37F
GDD43F
GDD50F
GDD60F
GDD80F
GDD100F
GDD130F
GDD160F

Table of Contents

Questions and Answers

  • H
    hayleybutlerAug 23, 2025
    Why is the pressure in my Gardner Denver GDD37F line low?
    • R
      rogersbrandyAug 25, 2025
      Low pressure in your Gardner Denver Dehumidifier line can be caused by several factors. Check for ice formation in the evaporator and inspect/replace the probe if needed. Ensure the compressed air inlet/outlet is connected properly to prevent clogs. Also, check if air flows continuously through the condensate drainage, which may indicate a jammed drainage solenoid valve that needs cleaning or replacement. You may also want to check the condition of any filter.
  • J
    Jason WilliamsNov 6, 2025
    What to do if there is water in my Gardner Denver Dehumidifier?
    • C
      Charles FieldsNov 7, 2025
      If you find water in your Gardner Denver Dehumidifier, there could be several reasons. First, ensure there is power in the line; if not, restore it. For GDD130-160F models, check that the phases are connected correctly. Inspect the cabling and the electronic control board, replacing them if problems persist. Also, confirm the dryer is on by pressing the ON/OFF switch for one second and wait two minutes after switching it on, in case it is in stand-by. Other possible causes include improperly connected compressed air inlet/outlet, flow rate/temperature of entering air exceeding nominal values, high ambient temperature, a dirty condenser (clean it), a malfunctioning condensate drain (clean the filter mesh or check/replace the no loss condensate drain), or an improperly positioned/faulty temp...

Summary

General Information

Functional Description

Explains how Gardner Denver refrigerated air dryers remove moisture from compressed air using a two-stage cooling process.

Safe Use of the Dryer

Details safe operating practices, emphasizing adherence to manual instructions and safety rules for personnel.

Installation

Acceptance and Handling

Guides on inspecting the unit upon delivery, noting damages, and proper handling procedures.

Storage and Installation Location

Specifies conditions for storing the dryer and requirements for selecting an appropriate installation site.

Unpacking

Provides instructions for safely unpacking the dryer and handling packaging materials.

Installation

Covers connecting the dryer to air lines, electrical supply, and drainage systems.

Start Up

Control Panel

Overview of the dryer's digital control panel, including its keys, display, and indicator LEDs.

Keys Function

Detailed explanation of the purpose and operation of each button on the control panel.

Condensate Discharge Parameters Programming

Instructions for programming condensate discharge delay and time parameters via the control panel.

Display Indications

Interpretation of messages and codes displayed on the controller for status and anomaly reporting.

Remote Signaling Alarm

Information on connecting a remote alarm signal via the dryer's dry contact.

Before Start Up

Essential checks and preparations required before the initial start-up or after prolonged inactivity.

Start Up

Step-by-step guide for starting the dryer, including power activation and waiting periods.

Maintenance, Troubleshooting and Decommissioning

Maintenance

Defines regular maintenance schedules and tasks, categorized by operating hours.

Troubleshooting

Provides a guide to diagnose and resolve common problems, including display error codes and causes.

Decommissioning

Procedure for safely shutting down, isolating, and preparing the dryer for disposal or relocation.

Gardner Denver GDD37F Specifications

General IconGeneral
BrandGardner Denver
ModelGDD37F
CategoryDehumidifier
LanguageEnglish

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