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4

Introduction

: Overview

Overview

The target group for this service manual is the technicians who install and maintain the CDP 

40-50-70 and CDP 40T-50T-70T dehumidifier. Thus the manual covers instructions about 

installation, operation and maintenance.

It is the responsibility of the operator to read and understand this service manual and other 

information provided and to use the correct operating procedure.
Read the entire manual before the initial start-up of the unit. It is important to know the cor-

rect operating procedures for the unit and all safety precautions to prevent the possibility of  

property damage and/or personal injury.
 

It is the responsibility of the installer to ensure the conformity of all, not supplied cables 

towards national regulations.

Copying of this service manual, or part of it, is forbidden without prior written permission 

from Dantherm.

Dantherm reserves the right to make changes and improvements to the product and the 

service manual at any time without prior notice or obligation.

The unit is designed to last for many years. When the time comes for the unit to be recycled, it 

should be recycled according to national rules and procedures to protect the environment.
The CDP dehumidifiers contain R407C refrigerant and compressor oil. The compressor must 

be returned to authorities for disposal according to local regulations. 

Type and source of hazard

 This symbol in connection with the word “Danger” warns of a high risk or severe injury or 

acute danger to life.

•  Measures to avert danger or immediate measures if the risk occurs are described in this 

way

Type and source of hazard

 This symbol in connection with the word “Warning” warns of a risk involving severe injury.

•  Measures to avert danger or immediate measures if the risk occurs are described in this 

way

Type and source of hazard

This symbol in connection with the word “Caution” warns of a risk of minor or moderate injury 

and material damage.

•  Measures to avert danger or immediate measures if the risk occurs are described in this 

way

In connection with this symbol you will find further tips and information concerning the use 

of the device.

Target group

Safety precautions

Copyright

Reservations

Recycling

Warning

Caution

DANGER

Warning

Caution

WARNING

Warning

Caution

CAUTION

!

NOTICE

Summary of Contents for CDP 40

Page 1: ...CDP 40 50 70 CDP T 40 50 70 SERVICE MANUAL EN Rev 1 5 2022 W38 3...

Page 2: ......

Page 3: ...rall description 6 Enclosure dimensions 10 Technical data 11 Installation 12 Installation environment 12 Wall mounting 13 Electrical connection 18 Operation 21 Control panel 21 Maintenance and care 24...

Page 4: ...o last for many years When the time comes for the unit to be recycled it should be recycled according to national rules and procedures to protect the environment The CDP dehumidifiers contain R407C re...

Page 5: ...d standards DS EN ISO 12100 2010 Safety of machinery General principles for design EN 60 335 1 2012 Household and similar electrical appliances Safety Part 1 EN 60 335 2 40 2003 Household and similar...

Page 6: ...it by one or two fans When passing through the evaporator the air is cooled down to below dew point and water vapour is condensed into water which is drained The dry air is then passed through the con...

Page 7: ...ch to active defrosting the fans will stop and the magnetic valve will open The hot gas can now pass through the evaporator When the evaporator has the right temperature again the magnet valve will cl...

Page 8: ...5 Control panel behind the cover 6 Cable groove for accessory only 7 Humidity sensor 8 Wall mounting spacers incl in delivery 9 Mains electricity connection behind the lid 10 Wall bracket 11 Water dr...

Page 9: ...behind a cover 3 Drip tray 4 Cable groove for accessory only 5 Wall bracket 6 Mains electricity connection behind the lid 7 Air outlet 8 Humidity sensor 9 Air inlet 10 Water drain CDP T Presentation...

Page 10: ...10 Product description Enclosure dimensions Enclosure dimensions Fig 4 Fig 5 CDP 40 50 70 CDP 40T 50T 70T...

Page 11: ...900 Capacity at 28 C RH 60 l day 34 34 52 52 69 69 SEC 28 C RH 60 kWh l 0 47 0 47 0 48 0 48 0 43 0 43 Power supply V Hz 1 230 50 1 230 50 1 230 50 1 230 50 1 230 50 1 230 50 Max power consumption kW...

Page 12: ...applicable to swimming pools with the addition of chemi cals Chemicals ppm Free chlorine content 1 0 2 0 Combined chlorine content Max 1 3 of free chlorine content pH 7 2 7 6 Total alkalinity 80 150 C...

Page 13: ...ation 1 Find the right spot for the CDP dehumidifier and measure where the wall suspension bar has to be mounted Recommended distance from dehumidifier to Ceiling min 225 mm Floor min 225 mm Min 225 M...

Page 14: ...rain hose and make a condensate outlet through the wall Connect a 3 4 flexible or fixed water hose to the spigot at the base of the dehumidifier Make sure the drainage has a drop of at least 2 Alterna...

Page 15: ...idifier and meas ure where the wall suspension bar has to be mounted Fix then the wall suspension bar sup plied with the unit to the wall NB It is important to fix it horizontally to ensure correct co...

Page 16: ...back of the unit 2x 5 Drain outlet Connect a drain hose and make a condensate outlet through the wall Connect a 3 4 flex ible or fixed water hose to the spigot at the bottom of the dehumidifier Make s...

Page 17: ...17 Installation Wall mounting 6 Hang the dehu midifier on the wall suspension bar Warning Caution en...

Page 18: ...to other organs or result in death Switch off the power on the main switch while you open the dehumidifier Remember also to switch off the power while you close the dehumidifier Step Description Illu...

Page 19: ...T sensor Terminals for connecting an external humidity temperature sensor See wiring example in Fig 7 4 Alarm An external alarm can reveal if the dehumidifier is operating normally or has an error Se...

Page 20: ...create your own external electrical circuit and connect it to the run fail terminal on the main PCB see page 34 This illustration is an example of how the run fail circuit could be used RUN FAIL 1 2 3...

Page 21: ...on 1 Open the dehumidifier a Loosen the two screws at the bottom of the unit Check that the locks release the front cover b Pull upwards and remove the front cover 2 Loosen the two screws and re move...

Page 22: ...ample 48 rH60 OK OK 40 99 OK COF o 5 34 OK OK EFOF 40 99 OK OK SIOF 1 99 OK OK d001 1 255 OK OK UaIt rUn dIs EnA OK OK OK FAnF OK OK Auto OK OK rSt rSt At24 Ct38 u147 Et12 FAn On AUto 60 7200 15 600 O...

Page 23: ...temperature reading from RH probe Not adjustable Et temperature Evaporator temperature sensor current value Not adjustable Ct temperature Condenser temperature sensor current value Not adjustable U14...

Page 24: ...er can run off freely Please follow this procedure to perform the monthly service Step Action 1 Unlock the two locks underneath the dehumidifier 2 Dismount the front cap by lifting it up and take out...

Page 25: ...ensor 40 Not conn T_amb_ext 40 100 Temperature from external RH T sensor 40 Not conn T_aux 40 100 Auxiliary temperature input 40 Not conn T_cond 40 100 Temperature from condenser 40 Not conn T_evap1 4...

Page 26: ...has NOT been updated succesfully The reason may be a wrong format of the USB memory stick Try to for mat the USB memory stick to FAT32 see description below and repeat the software update procedure a...

Page 27: ...eturn to standard view after some seconds LPCo Low Pressure preliminary warning The unit will reset and returns to standard view if the problem is solved after restart If the error persists the displa...

Page 28: ...ce activated LED will blink until self test has completed Constant Single short beep every 1 min LPCO error See fault finding guide page 30 Green Constant Ext Heating coil activated accessory only Gre...

Page 29: ...See fault finding guide page 31 4x flash HP alarm See fault finding guide page 31 6x flash Sensor alarm See fault finding guide page 31 If you cannot find the reason for the fault switch off the unit...

Page 30: ...will persist until LP fault is triggered after 3 separate attempts to clear the fault condition Condition is similar to Expansion falve failure LPCo will persist until LP fault is triggered after 3 s...

Page 31: ...B Resistance should be in the range 190kOhm 0 14kOhm corresponding to 50 98 C If resistance is not within this range the sensor is defective or sensor cable is broken short circuited Confirm if the se...

Page 32: ...32 Maintenance and care Spare parts Spare parts If the need for spare parts occurs please visit shop dantherm com Find spare parts...

Page 33: ...CDP T range 2 3 4 5 6 7 1 Fig 9 This table lists the different parts of the cooling circuit according to Fig 9 Pos Description 1 Compressor 2 Evaporator 3 Air cooled condenser 4 Thermostatic expansion...

Page 34: ...25 J29 J29 J34 J34 U29 U29 J28 J28 J4 J4 J22 J22 J19 J19 J10 J10 1 1 2 2 3 3 4 4 1 1 2 2 3 3 4 4 1 1 2 2 3 3 4 4 1 1 2 2 3 3 4 4 5 5 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 BT1 BT1 BACK UP BATT BACK UP BATT 1...

Page 35: ...J38 FAN 3 1 GND 2 ANT J29 ANT 1 GND J34 GND 1 VCC 5V 2 D 3 D 4 GND J28 USB 1 RS485_A 2 N C 3 N C 4 RS485_B 5 N C 6 N C 7 N C 8 GND J4 RS485 1 V 2 TH GND 3 TH 4 GND 5 RH J22 RH T 1 RUN 2 RUN 3 FAIL 4...

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Page 40: ...support dantherm com Dantherm can accept no responsibility for possible errors and changes en Der tages forbehold for trykfejl og ndringer da Irrt mer und nderungen vorbehalten de Dantherm n assume a...

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