WALKER FILTRATION PROSFD PD0150 - User Manual

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PROSFD

PROSFD

PROSFD

Table of Contents

Questions and Answers

R
russoadrianAug 17, 2025
What to do if my WALKER FILTRATION PROSFD PD0150 Dryer has excessive or loud purge, or purge on only one tower?
- J
  Jennifer GoodwinAug 17, 2025
  If your WALKER FILTRATION dryer has excessive or loud purge, or purge on only one tower, it could be due to several reasons: * Jammed main control shuttle valve: Clean or replace the shuttles. * Jammed purge exhaust shuttle: Clean or replace the exhaust shuttles. * Faulty solenoid valve: Clean or replace the solenoid valve. * Not utilizing Energy Management feature: Refer to Energy Management instructions (Section 7). * Blocked and/or damaged silencer: Replace the silencer and check desiccant cartridges. * Damaged purge valve(s): Replace the purge valve bodies. * Incorrect purge orifice size: Double check and select the correct size.
J
James BestAug 21, 2025
What to do if my WALKER FILTRATION PROSFD PD0150 Dryer does not enter Energy Management when switching device is activated and/or Dryer does not enter Energy Management when EM contacts are opened?
- J
  Jessica RamirezAug 21, 2025
  If your WALKER FILTRATION Dryer fails to enter Energy Management, the issue could stem from: * Shorted or incorrect device wiring: Remove external wiring from the dryer’s EM contacts: * On LED controllers, dryer should enter EM mode. * On DMC controllers, place jumper between pins 1 and 2 of EM male connector. Dryer should enter EM mode. * If dryer enters EM mode, correct external wiring problem * If dryer does not enter EM mode, replace controller * Faulty switching device: Consult device manufacturer. * Faulty controller output: Replace the controller.
C
carrmichelleAug 25, 2025
What to do if my WALKER FILTRATION PROSFD PD0150 has no function?
- M
  Michelle FischerAug 25, 2025
  If your WALKER FILTRATION dryer has no function, check the following: * No power supply: Check the power supply. * Power connected to wrong controller input: Check connections with specifications listed in Section 5. * Faulty controller: Replace the controller.
C
Curtis MooreAug 27, 2025
What to do if my WALKER FILTRATION Dryer does not activate external alarm when display panel indicates alarm condition?
- F
  Francis MasseyAug 27, 2025
  If your WALKER FILTRATION Dryer doesn't activate the external alarm when the display panel indicates an alarm, consider these potential causes: * Shorted or incorrect device wiring: Correct the external wiring. * External power not supplied: Add an external power source per the specifications given in Section 5. * Faulty external indication device: Repair or replace the device. * Faulty controller: Replace the controller.
K
ktateAug 30, 2025
Why won't my WALKER FILTRATION PROSFD PD0150 switch towers?
- B
  Brian KingAug 31, 2025
  If your WALKER FILTRATION Dryer won't switch towers, it could be due to: * Jammed shuttle valves: Clean or replace the shuttles. * Faulted electrical components: See the electrical operation troubleshooting section.
J
John MilesSep 3, 2025
Why won't my WALKER FILTRATION Dryer depressurise towers?
- D
  Daniel BrownSep 3, 2025
  If your WALKER FILTRATION Dryer won't depressurize towers, the issue might be: * Jammed purge exhaust shuttle: Clean or replace the exhaust shuttles and solenoid valves. * Blocked and/or damaged silencer: Replace the silencer.
K
Kevin DorseySep 6, 2025
What to do if my WALKER FILTRATION Dryer does not enter dewpoint mode?
- S
  Shawn BookerSep 6, 2025
  If your WALKER FILTRATION Dryer does not enter dewpoint mode, consider the following: * Hygrometer Din plug not connected correctly to hygrometer: Check Din plug is tightly connected to hygrometer with the Din plug. * Demand is too high, dryer undersized: Check against specification. * Hygrometer not reading accurately / fouled: Verify hygrometer calibration. * Hygrometer failed (electrically): Replace hygrometer.
F
Frederick SmithSep 9, 2025
Why is my WALKER FILTRATION PROSFD PD0150 controller displaying hygrometer out of range?
- J
  John ScottSep 10, 2025
  Your WALKER FILTRATION Dryer controller may display 'hygrometer out of range' if: * The hygrometer is reading an outlet dewpoint of either +20°C or -100°C, which are the maximum limits of the hygrometer. Check that the hygrometer is functioning correctly and is not damaged.
M
Michael MendozaNov 13, 2025
Why is my WALKER FILTRATION PROSFD PD0150 Dryer dewpoint poor?
- S
  stevensjeremyNov 13, 2025
  A poor dewpoint in your WALKER FILTRATION Dryer may be due to several reasons: * Liquid water at the dryer inlet. Check the pre-filtration and drains. * Excessive flow. Verify the actual flow against the maximum specified. * Low inlet pressure. Check against the specification. * High inlet temperature. Check against the specification. * Incorrect purge orifice size. Check against specification and reconfigure. * Silencer blocked or damaged. Replace the silencer. * Air leaks. Tighten joints or fit new seals. * Desiccant life exceeded. Replace the desiccant cartridges. * Desiccant contaminated. Check the inlet filter and drains, and replace the cartridges. * EM is active when air is flowing through the dryer. Check the EM wiring, DMC, and/or control method used. * Powe...

Summary

Safety

Safety Guidelines

Guidelines for safe operation and handling of the dryer.

Symbols

Definitions and meanings of various safety and warning symbols used in the manual.

Mechanical Installation

Orientation

Details the recommended and permissible orientations for dryer installation.

Configuration of the inlet;outlet ports

Instructions on how to reconfigure the dryer's inlet and outlet port connections.

Configuring the purge orifice

Instructions for identifying and adjusting the purge orifice size for optimal operation.

Electrical Installation

How to wire a DIN connector

Step-by-step guide for wiring the DIN connector on PRODRY controllers.

Alarm connection details

Information on connecting external alarm devices to the PRODRY dryer.

Operation

Start-up procedure

Step-by-step guide for safely starting up the PRODRY dryer.

Shut-down procedure

Instructions for correctly shutting down the PRODRY dryer.

Energy Management

Overview

Explains the purpose of Energy Management to reduce purge loss during low demand.

Using a Hygrometer and Process Controller for Purge Control

Making connections between a switching device and dryer Energy Management contact

WALKER FILTRATION PROSFD PD0150 Specifications

General

Brand	WALKER FILTRATION
Model	PROSFD PD0150
Category	Dryer
Language	English

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