ICP iDRY iRDP CT 150 User Manual

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Compressed air refrigeration dryer

iRDP CT 20-500

Instructions for installation and operation english

Table of Contents

Questions and Answers:

J
Joseph DeleonAug 16, 2025
Why is the dew point too high on my ICP Dehumidifier?
- S
  samantha09Aug 16, 2025
  A high dew point in your ICP Dehumidifier can be caused by several factors. The compressor may not be working, or the DewPoint probe T1 may not be correctly detecting the temperature, ensure the sensor is pushed into the bottom of probe well. The ambient temperature might be too high, or the room aeration might be insufficient, so provide proper ventilation. Other potential causes include the inlet air being too hot or at too low pressure; the inlet airflow rate being higher than the dryer's rate, reduce the flow rate and restore nominal conditions; or a dirty condenser, clean it. If ESS=YES, wait for the compressor to start, and the DewPoint will drop to a lower temperature.
C
Christopher HollandAug 22, 2025
What to do if my ICP iDRY iRDP CT 150 fan of the condenser does not work?
- M
  Marisa HallAug 22, 2025
  If the condenser fan on your ICP Dehumidifier isn't working, start by verifying the electric wiring. If you have an iRDP CT 200-500 3phase model, check for a blown fuse (FU1-FU2 on the electric diagram) and replace it, then check the dryer's operation.
L
Lisa HarrisonAug 25, 2025
What causes the internal heat protection of the compressor to activate in my ICP iDRY iRDP CT 150 Dehumidifier?
- P
  Patricia BeardAug 26, 2025
  The internal heat protection of the compressor in your ICP Dehumidifier might be activated due to several reasons. It could be due to excessive thermal load, so restore the standard operating conditions. The inlet air may be too hot, so restore the nominal conditions. Insufficient room aeration or high ambient temperature could also be contributing factors, so provide proper ventilation. Check if the condenser unit is dirty and clean it if necessary. Wait 30 minutes and then retry.
M
Margaret WatsonAug 27, 2025
What to do if the solenoid valve EVL or EVH doesn’t operate correctly on my ICP Dehumidifier?
- F
  fwatsonAug 28, 2025
  If the solenoid valve EVL or EVH on your ICP Dehumidifier isn't operating correctly, first verify the electric wiring. If the solenoid valve is not activated but there is voltage to the coil, the coil may be faulty, so replace it. If the solenoid valve is always activated and there is always voltage to the coil, verify the electric wiring. If the solenoid valve is not activated and there is no voltage to the coil – the internal relay of DMC51 is faulty, replace DMC51. If the solenoid valve is always activated and there is always voltage to the coil – the internal relay of DMC51 is faulty, replace DMC51.
P
Preston MartinezAug 30, 2025
What does it mean if the HPS high-pressure switch has been activated on my ICP iDRY iRDP CT 150?
- R
  Rodney SandersAug 30, 2025
  If the HPS high-pressure switch has been activated on your installed ICP Dehumidifier, it could be due to several reasons. The ambient temperature might be too high, or the room aeration might be insufficient, so provide proper ventilation. The condenser could be dirty, so clean it. Reset the pressure switch by pressing the button on the switch itself and check the proper operation of the dryer.
R
Rhonda LowerySep 2, 2025
What does it mean if T2 installed compressor outlet temperature too high has been triggered on my ICP Dehumidifier?
- M
  Monica RodriguezSep 2, 2025
  If the compressor outlet temperature is too high on your ICP Dehumidifier, ensure that excessive thermal load is not the cause and restore the standard operating conditions. The inlet air could be too hot, so restore the nominal conditions. The ambient temperature might be too high, or the room aeration might be insufficient, so provide proper ventilation. The condenser unit could be dirty, so clean it. If the T2 sensor is faulty, replace it.
T
Tammy SanchezSep 5, 2025
What does it mean if the LPS low-pressure switch has been activated on my ICP iDRY iRDP CT 150 Dehumidifier?
- T
  Tiffany ArnoldSep 5, 2025
  If the LPS low-pressure switch has been activated on your installed ICP Dehumidifier, the pressure switch will reset automatically when normal conditions are restored, so check the proper operation of the dryer.
L
Laura SparksSep 8, 2025
What does it mean if ESS=YES: the alarm (TOC) has been triggered on my ICP iDRY iRDP CT 150?
- X
  xbryantSep 8, 2025
  If the TOC alarm has been triggered on your ICP Dehumidifier, ensure that the inlet air is not too cold, restore the nominal conditions. Also, make sure that the ambient temperature is not too low and restore the nominal conditions.
P
peter21Sep 12, 2025
How to troubleshoot if the display of DMC51 is not lit on my ICP iDRY iRDP CT 150?
- D
  Dr. Brad SandovalSep 12, 2025
  To troubleshoot a DMC51 display that is not lit on your ICP Dehumidifier, verify that the system is powered and check the electric wiring. If installed, check if the HPS pressure switch has been activated. For iRDP CT 200-500 3phase models, check for a blown fuse (FU2 on the electric diagram) of the auxiliary circuit and replace it, then check the dryer's operation. For iRDP CT 200-500 3phase models, ensure the remote control is not OFF (check the contact on terminals 1-2 on the electric diagram).

ICP iDRY iRDP CT 150 Specifications

General

Type	Refrigerant
Power Supply	115V, 60 Hz
Refrigerant	R410A
Drainage Options	Condensate Pump or Gravity Drain
Moisture Removal Capacity	150 pints per day
Dehumidification Capacity	150 pints per day
Water Removal Capacity	150 pints per day

Summary

Safety Instructions

General Safety Guidance

Essential safety advice for installation, operation, and maintenance of the dryer.

2.1 Safety Pictograms

2.2 Signal Words

2.3 Safety Instruction Overview

Summary of critical safety points for personnel and safe operation of the dryer.

Operating Instructions (PED)

Pressure Equipment Directive Compliance

Technical Description

8.1 Control Panel

Explanation of the dryer's user interface, buttons, and indicators for operation.

8.2 Functional Description

Details the dryer's operating principles and modes like cycling and hot-gas bypass.

8.3 Flow Chart

8.10 Refrigerant Pressure Switches

8.12 DMC 51 Electronics and Operations

Overview of DMC51 unit, indicators, operations (on/off, display, alarms, setup).

Installation

9.1 Place of Installation

Guidance on selecting a suitable location, considering ambient conditions and clearance.

9.2 Installation Plan

9.3 Correction Factors

Provides factors to calculate actual air throughput based on operating conditions.

9.4 Connection to Compressed-Air System

Instructions for safely connecting the dryer to the compressed-air system.

9.5 Electrical Connections

Guidelines for safe and correct electrical connection of the dryer unit.

9.6 Condensate Drain

Start-up

10.1 Preliminary Stages

10.2 Initial Start-up

Step-by-step procedure for the first start-up and initial operation of the dryer.

10.3 Shut Down and Restart

Technical Data

11.1 Technical Data iDRY IRDP CT 20-200

11.2 Technical Data iDRY IRDP CT 20-500

11.3 Technical Data iDRY IRDP CT 200-500 3phase

Maintenance, Troubleshooting, Spare Parts and Dismantling

12.1 Checks and Maintenance

Routine checks and maintenance tasks required for the proper functioning of the dryer.

12.2 Troubleshooting

Guides for diagnosing and resolving common faults and issues encountered with the dryer.

12.3 Recommended Spare Parts

12.4 Maintenance Works at Refrigeration Cycle

Appendices

13.3 Electric Diagrams

Related product manuals

ICP iDRY iRDP CT 30

ICP iDRY iRDP CT 75

ICP iDRY iRDP CT 250

ICP iDRY iRDP CT 500

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