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Dantherm CDT 30 MK III, Service Manual

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CDT 30-40-60-90 MKIII  

Service manual 
Rev. 1.0 
 

Summary of Contents for CDT 30 MK III

Page 1: ...CDT 30 40 60 90 MKIII Service manual Rev 1 0 ...

Page 2: ...hold for trykfejl og ændringer Dantherm can accept no responsibility for possible errors and changes Irrtümer und Änderungen vorbehalten Dantherm n assume aucune responsabilité pour erreurs et modifications éventuelles ...

Page 3: ...General warnings 3 Setup and user guide 4 Product and function descriptions 4 Preparation and transport guide 7 User guide 12 Accessories 17 Service guide 18 Preventive maintenance 18 Troubleshooting 25 Disposal 26 Appendix 27 Technical data 27 Dimensions 28 Wiring diagram 29 Declaration of Conformity 30 Index 31 Continued on next page ...

Page 4: ...sers and technicians performing preventive maintenance and repairs The appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved Children shall not play with the ...

Page 5: ...ppliance The appliance shall be stored in a room without continuously operating ignition sources for example open flames an operating gas appliance or an operating electric heater Keep the ventilation openings clear of obstruction during operation Actions to avoid operation and handling Be especially careful when handling the unit not to cause any damage that may result in leakage of the cooling c...

Page 6: ... The air is cooled causing the moisture content to condense into drops of water which either are collected in the water container CDT 30 40 60 or are passed through the drain hose to a drain CDT 90 The air is reheated using heat from the dehu midifier operation temperature increase of approx 5 C As the air is repeatedly circulated through the dehumidifier its moisture content is re peatedly reduce...

Page 7: ...out automatically when the container is full See the user guide for emptying the water container The dehumidifier cannot operate when the container is removed Drain CDT 90 Condensation is collected in the integrated drip tray and then passed via the hose connector provided to a drain The hose connector should be fitted immediately after unpacking Continued on next page e Handle Air exhaust Control...

Page 8: ...ure relative air humidity hours and kWh consumption Hour counter and kWh consumed without 230V connection Adjustable service interval counter Operation described in the user guide in this manual Cooling circuit dia gram Pos Description Pos Description 1 Compressor 5 Evaporator 2 Condenser 6 Solenoid valve 3 Fan 7 Thermostatic expansion valve 4 Dry filter TC Main switch Function keys Status indicat...

Page 9: ... upright for at least 1 hour before use Unpacking CDT 30 40 60 Follow these steps for unpacking the CDT 30 40 60 Step Action Illustration 1 Open the top of the pack aging 2 Position the box vertically with the wheels at the bot tom 3 Extract the machine from the box 4 Loosen the knobs pull the handle up to the desired height and retighten the knobs 5 Remove the protective foil on the control panel...

Page 10: ...unpacking the CDT 90 Step Action Illustration 1 Pull the box free of the de humidifier 2 Lift the dehumidifier of the pallet It is now ready to be positioned as shown below 3 Connect the hose spigot provided 4 Remove the protective foil on the control panel Continued on next page ...

Page 11: ...lling or storing the appliance The appliance shall be stored in a well ventilated area where the room size corresponds to the room area of 4m2 The appliance shall be stored in a room without continuously operating ignition sources for example open flames an operating gas appliance or an operating electric heater Optimum operation Ensure the room to be dehumidified is sealed and that the machine is...

Page 12: ... two people or using a crane See the instructions below Be aware of any local safety regulations with regard to lifting 2 people Hoist crane Lifting using a cargo strap Stairs The wheels are positioned such that the machine can be pulled upstairs without damage to the cabinet or stairs Continued on next page ...

Page 13: ...t to store the CDT 30 40 60 dehumidifiers you can stack 2 units of the same size upon each other illustrated in the table below Note Do not stack more than 2 high Do not stack CDT 90 Step Illustration Push handle down Stack units Check that the upper set of wheels are placed correctly on the handle below ...

Page 14: ...ress and hold HYG SET RHxxx will flash for 5 seconds The dehumidi fier will then switch to internal hygrostat controlled opera tion with set point once the set point is reached the display will show INT HYG STOP Press when flashing Press briefly when flashing to set the RH value The new value will be saved after a further 5 second period after the last key is pressed HYG OFF will flash Setting is ...

Page 15: ...ctivate if not al ready activated When the set number of hours for service in tervals has expired the display will switch to SERVICE Press briefly to set a new service value The new value will be saved 5 seconds after the last key is pressed Press SET SERVICE OFF deactivates the service timer function Display texts The table below shows how to operate the operating information functions Key Feedba...

Page 16: ...ehumidifier Replacing the memory battery If the hour counters cannot be read when disconnected from mains it is probably due to flat memory battery Replacement procedure Action Warning Always disconnect from the mains before changing battery 1 Slacken the screws on both side of the control panel and carefully lift the panel up using the top edge 2 Cut the cable tie holding the battery Replace the ...

Page 17: ...t on right warning LED AMBI ENT TEMP on display Room temperature out of normal range Place the dehumidifier in the specified temperature range between 3 32 C Red light on right warning LED SEN SOR FAIL on display One of the internal sensors is defective Use the keys to toggle between 3 possible errors SENSOR FAIL 1 EVAP FAIL Evaporator thermometer defective Requires an authorised service technicia...

Page 18: ...ner is removed Water container emptying procedure Step Action Illustration 1 Pull the water container halfway out by pulling the handle on its front 2 Grip the water container side handles and lift free of the dehumidifier 3 Empty the water container by tipping the water out of the spout on the side 4 Reposition the water container Important Check that the water container is pushed in as far as it...

Page 19: ...ir hu midity Hygrostats come in two versions Hygrostat with 0 4 m power cord jack plug and bracket Hygrostat with 3 m power cord and jack plug All All 396242 396241 Valve and hose thread Ball valve brass hose thread and jubilee clip All 396243 Condensed water pump If a condensation pump is used emptying the water container is not necessary CDT 30 30S 075616 CDT 40 40S 60 075617 Wall bracket The de...

Page 20: ...te fire extinguishing equipment must be available at hand Dry powder CO2 Water mist Alcohol resistant foam User inspection checklist The inspection checklist is designed for users to perform the preventive maintenance No special skills are required for this service check The check list contains information about which components must be inspected frequency of inspection Yearly Monthly Weekly Daily...

Page 21: ...termi nals Acceptance No damages or fractures on plugs and cables How to Visually Visually Check that all markings are readable and in original form without any damages or alterations Visually Check that plug and cables are without any damages or fractures Visually Check that the connector on the cable fits to the supply plug Visually Check that all connections are fixed and mounted correctly onto...

Page 22: ...damages on handle The handle slides up and down easily The handle cannot slide up and down when thumbscrews are tightened Acceptance Gaskets are complete and without any cracks Acceptance Wheels run freely without hindrance No obvious damages on the track of the wheels How to Visually Visually Visually Visually Visually Visually Measuring tape Manual check Visually Visually Frequency Y Y Y M M Y Y...

Page 23: ...ting The dehumidifier starts up after 2 sec Acceptance for switching off The dehu midifier switches off after 2 sec How to Visually Fill up with water and check that water is not escaping the container Water container is removed during oper ation The dehumidifier has to stop oper ation Fill up with water and check that water flows out of the drain outlet Fill up with water start the dehumidifier a...

Page 24: ...Acceptance Clean free of oil and dirt How to Visually Are the pipes undamaged and without any corrosion Is oil gathered at the bot tom of the compressor Are there other signs of leakages at the compressor or within the cooling circuit Start dehumidifier and control that the surfaces are getting cold Remove air filter and inspect heating cooling surfaces visually Remove air filter and inspect visua...

Page 25: ...er is very dirty it should be replaced See the section on spare parts 3 CDT 30 40 60 only Clean the water container 4 Remove the 2 screws on both sides and follow below procedure depend ing on unit CDT 30 40 60 1 raise the cover about 30 2 Lift cover up CDT 90 1 Open the cover about 5 2 Raise the cover 1 2 cm until it releases at the top of the cabi net Pull the cover carefully over the hose conne...

Page 26: ...e front of the drip tray remove and clean the tray NB When replacing the drip tray en sure that the back edge of the tray rests on the lip inside the dehumidi fier 7 CDT 30 40 60 Replace the cover and water container CDT 90 Replace the cabinet cover by passing the hose connection through first then lifting the cover over the top edge of the cabinet DO NOT reset the units service interval counter w...

Page 27: ...d Empty water container or clear pump blockage Red light on Error stopping the machine See user guide table on page 15 on error messages Dehumidifier running Green light on SERVICE flashing on display Service interval set has ex pired Service the product as specified in the section on service counter expiry Dehumidifier running When RH activates the display shows SEN SOR FAIL RH sensor defective R...

Page 28: ...en the cylinders have been filled correctly and the process has been com pleted put on a label stating that the system is Decommissioned Emptied of refrigerant Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant The label must be dated and signed by the responsible technician 5 Make sure that the cylinders and the equipment are removed from site promp...

Page 29: ... V Hz 1N 230 PE 50 Max ampere rating A 3 6 4 1 5 6 8 3 Max input power kW 0 8 0 9 1 3 1 9 Air volume m3 h 250 350 725 1000 Refrigerant output kW 1 5 2 3 0 4 2 Refrigerant R454C Refrigerant filling kg 0 41 0 45 0 65 1 6 Max system pressure bar 26 GWP Global Warming Potential 146 Water container capacity l 7 0 14 0 14 0 Noise level at 1 m distance dB 56 59 62 62 Weight kg 34 43 47 62 Protection clas...

Page 30: ...ons Illustration CDT 30 40 60 CDT 90 CDT 30 MKIII CDT 40 MKIII CDT 60 MKIII CDT 90 MKIII L 426 mm 542 mm 542 mm 650 mm B 506 mm 539 mm 539 mm 593 mm H 650 mm 736 mm 816 mm 894 mm TH 1016 mm 1190 mm 1270 mm 977 mm ...

Page 31: ...put B5 External hygrostat accessory M1 Cooler compressor B6 Thermostat 30S 40S only M2 Fan motor B7 Over Temperature 30S 40Sonly R1 Heating element 30S 40S only B8 External pump alarm accessory S1 Heating element on off 30S 40S only D12 LED 5V DC supply control T1 Transformer D19 LED Ice on evaporator surface U2 CPU D20 LED Defrosting active X1 Water pump plug J2 Low voltage connections X2 Jack pl...

Page 32: ...tion and is manufactured in compliance with the following harmonized standards DS EN ISO 12100 2010 Safety of machinery General principles for design EN 60335 1 2012 Household and similar electrical appliances Safety Part 1 EN 60335 2 40 2003 Household and similar electrical appliances Safety Part 2 40 EN 60335 2 40 A1 2006 Household and similar electrical appliances Safety Part 2 40 EN 378 1 2016...

Page 33: ...he water container 16 error messages 15 external hygrostat 12 function 6 function description 4 hour counter 13 internal hygrostat 12 25 light 25 maintenance 18 on off 12 optimum operation 9 plug 25 position 9 socket 9 stacking 11 storage 11 target group 2 technical data 27 Text displays when not connected to mains 14 transport 7 transporting 10 troubleshooting 25 wiring diagram 29 ...

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