Manual - Munters
Contents
1. 3 9 Errormessages An overwiev of possible errors which prevent normal operation 3 9 1 MK30D MK60D Errormessages lllustration Cause Remedy Yellow light on centre Water container is full See emptying guide LED with emptying or fault on water pump below or check pump symbol and FULL on accessory outlet display See emptying guide below or check pump outlet Red light on right Pressure or temperature Check filter and warning LED HIGH in high pressure element dehumidifier for dirt TEMP on display too high in airways Red light on right Room temperature out Place the dehumidifier in warning LED ofnormal range the specified temperature AMBIENT TEMP range between 3 32 C on display Red light on right SENSOR FAIL warning LED 1 EVAP FAIL Requires an authorised SENSOR FAIL on Evaporator service technician display One of the thermometer defective internal sensors is detective Use thew 2 COND FAIL Requires an authorised keys to toggle between 3 Condenser service technician possible errors thermometer defective 3 ROOM FAIL Requires an authorised The internal room service technician thermometer is defective Red light on right Leak in cooling circuit Requires an authorised warning LED LP service techn ician STOPon display 15 Operation 190TEN 1071 C1304 Dehumidifier MKD series Munters 3 9 2 MK90D Errormessages lllustration Ca2. External hygrostat socket Display of temperature 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 190TEN 1071 C1304 Operation 8 Munters Dehumidifier MKD series 3 2 Switching on off The table below shows operation ofthe on offfunction and display texts Key Display ON constant operation INT HYG ON operation controlled by internal hygrostat INT HYG STOP if internal hygrostat set point is reached EXT HYG ON operation controlled by external hygrostat EXT HYG STOP if external hygrostat set point is reached Switch off The green LED indicates active dehumidification 9 Operation 190TEN 1071 C1304 Dehumidifier MKD series Munters 3 3 Internal hygrostat operation Step Key Feedback Press and HYG SET RHxxx will flash for 5 seconds The dehumidifier will then hold switch to internal hygrostat controlled operation with set point once the set point is reached the display will show INT HYG STOP Press briefly to set the RH value in during the above 5 second period The new value will be saved after a further 5 second period after the last key is pressed Press HYG OFF will flash for 5 seconds The dehumidifier will then switch to constant operation 3 4 Externalhygrostat
3. Munters Spain SA AirTreatment Europa Epresarial Edificio Londres Q Playa de Liencres 2 Edi ficio Londres 28230 Las Matas Madrid Madrid Tel 3491 640 09 02 Fax 34 91 640 11 32 E mail marketing munters es Web http Avww munters es SWEDEN Munters Europe AB AirTreatment POBox 1150 S 164 26 Stockholm Kista Visiting address Isafjordsgatan 1 Kista Entr Sweden Tel 46 8 626 6300 Fax 46 8 754 85 94 E mail avfuktning munters se Web http Avww munters se SINGAPORE USA Tel 65 6744 6828 Tel 1 800 843 5360 singapore muntersasia com dhinfo munters com SOUTH AFRICA Tel 27 11997 2000 info munters co za TURKEY Tel 90 216 548 14 44 info muntersform com UAE Dubai Tel 971 4881 3026 middle east munters com www munters com ay Munters Zug
4. 190TEN 1071 C1304 Wiring diagrams 22 Munters Dehumidifier MKD series Pos Description Pos Description B1 Condensor surface temp sensor J6 Notin use B2 Condensor surface temp sensor J7 Factory settings B3 Ambienttemp sensor J12 Internalhygrostat B4 Fullwater tank sensor J13 Extraoutput B5 Externalhygrostat accessory M1 Cooler compressor B6 Thermostat 30S 40S only M2 Fanmotor B7 Over Temperature 30S 40S only R1 Heating element 30S 40OS 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 plug for external hygrostat J3 230V connections Y1 Solenoid valve pressure equalisation J5 Notinuse 23 Wiring diagrams 190TEN 1071 C1304 Dehumidifier MKD series Munters 7 2 MK90D Potential free outputs Apply max 24vDC 25mA Normally open ON 01 D wast mE a BATTERY E U2 Solenoid 230V out FAN Heater Power In 230V out 230V inpu BS External hygrastat NI NIN Ph Du U PE L N BI B2 B3 DS B4 X2 VI Supply Water pump Compressor solenoid HEAT FAN 230V input Cond Evap Amb Pump Water Jack socket plug valve 3 _7 7k0 stop sop open active 32
5. 190TEN 1071 C1304 AUSTRIA Munters GmbH AirTreatment Zweigniederlassung Wien Eduard Kittenberger Gasse 56 Obj 6 A 1235 Wien Austria Tel 43 1616 4298 92 51 Fax 43 1616 4298 92 98 E mail luftentfeuchtung munters at Web www munters at BELGIUM Munters Belgium S A Air Treatment Rue du Progr s 5 4821 Dison Belgium Tel 3287306911 Fax 3287314476 E mail info muntersbelgium be Web http www muntersbelgium be CZECH REPUBLIC MUNTERS organizacni slo ka Air Treatment Slevacsk 2368 68 61500 BRNO Czch Republic Tel 420 544 211 434 Fax 420 544 211436 E mail info munters odvihcovani cz Web http www munters odvlhcovani cz DENMARK Munters A S Air Treatment Ryttermarken 4 DK 3520 Farum Denmark Tel 4544 95 3355 Fax 4544 95 3955 E mail info munters dk Web http www munters dk AUSTRALIA Tel 61 288431588 dh info munters com au BRAZIL Tel 55 11 50540150 Web http www munters com br CANADA Tel 1 800 843 5360 dhinfo munters com CHINA Tel 86 10 804 18000 E mail marketing munters cn FINLAND Munters Finland Oy Kuivaajamyynti Hakam enkuja 3 F1 01510 VANTAA Finland Tel 358 207 768 230 E mail laitemyynti munters fi Web www munters fi FRANCE Munters France SAS Air Treatment 106 Boulevard H loise F 95815 Argenteuil dex France Tel 33 134 115757 Fax 33 134 115758 E mail dh munters fr Web http www munters fr GERMAN
6. 2 kQ EE Description on next page 190TEN 1071 C1304 Wiring diagrams 24 Munters Dehumidifier MKD series Pos Description Pos Description B1 Condensor surface temp sensor J6 Notinuse B2 Condensor surface temp sensor J7 Factory settings B3 Ambienttemp sensor J12 Internalhygrostat B4 na J13 Extraoutput B5 Externalhygrostat accessory M1 Cooler compressor B6 na M2 Fan motor B7 na R1 na B8 Externalpump alarm accessory S1 na 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 plug for external hygrostat J3 230V connections Y1 Solenoid valve pressure equalisation J5 Notinuse 25 Wiring diagrams 190TEN 1071 C1304 Dehumidifier MKD series Munters 8 Sparepartlists 8 1 MK30D MK60D 23 6 26 25 24 5 4 gt S 3 2 19 G 22 E AA 8 Z f S R 21 13 1 d lt 108 12 S SS re 11 9 28 27 29 15 16 17 18 Pos MK30D MK45D MK60D Description 1 9077036741 9077036986 9077037110 Front cover complete 2 9077036826 9077036826 9077037101 Fan blades 3 9077032857 9077032857 9077032873 Fan motor 4 9077032854 9077032854 9077032880 Fan mount 9077072410 9077072410 9077072398 Fan complete pos 2 3 4 5 9077036744 9077036960 9077037106 Exhaust
7. MK90D 5 Technical Specification 20 6 1 Dimensions MK30D MK60D 20 2 instalation e o 6 62 Dimensions MOOD 2 20 z SE ponngenon aa 9 6 3 Technicaldata 21 2 2 Connectionofhumidistat 7 SC Wiring diagrams 22 2 3 Remotesignals 7 71 MK30D MK60D 29 3 Operation sue ee EN 8 72 MK90D 24 1 ONOMEA aeiae 8 Spare partlistS 26 3 2 Switching on off 9 8 1 MK30D MK60D 26 3 3 Internalhygrostatoperation 0 8 2 MK9OD 28 190TEN 1071 C1304 Table of contents iii Munters Dehumidifier MKD seties 1 Introduction 1 1 General The Munters MKD series dehumidifiers are available in four 4 different sizes and they can easily be moved to locations where dehumidification of air is required A WARNING Itis the responsibility of the operator to read and understand this service manual and other information provided and to use the correct operating procedures Read the entire manual before the initial start up of the dehumidifier Awareness of the correct operating procedure for the machine and its safety devices is important to avoid damage or injury 1 2 Unpacking of the units MK30D MK60D A WARNING If the dehumidifier has been laid down during transport it is imperative that you place it in upright position for
8. at least 1 hourbefore putinto service Follow these steps to unwrap the unit and make it ready for use Open the cardboard box in the top Tilt the box with the handle and wheels towards the floor Pull the handle of the dehumidifier and wheel the dehumidifier out of the box still lying down Tilt the dehumidifier to an upright position Loosen the knobs pull the handle up to the desired height and retighten the knobs O O A WO N r Remove the protective foil on the control panel 1 3 Unpacking of the unit MK90D A WARNING If the dehumidifier has been laid down during transport itis imperative that you place it in upright position for at least 1 hour before put into service 1 Unwrap and lift the box from the dehumidifier 2 Liftthe dehumidifier clear of the pallet 3 Connect the drain outlet stub which is supplied with the dehumidifier 1 Introduction 190TEN 1071 C1304 Dehumidifier MKD series Munters 1 4 Marking MK30D MK60D The identification plate is placed behind the bucket inside the dehumidifier MK90D The identification plate is placed at the side of the dehumidifier M Munters Model MK 60D Item No 351186 R Ecg Munters MK 60D Refrigerant output 27 Air Volume 725 Refrigerant Load R407C 0 65 036345 Max system pressure 24 Voltage 1N 230 PE 50 Max charging current 49 Max power input 1 12 Operating range 3 32 IP x4 Serano HINN 0502210712345 Hermetically sealed Contain
9. Original instructions User s Manual MK30D MK45D MK60D MK90D Dehumidifier Cooling unit V Munters 190TEN 1071 C1304 Munters Europe AB 2013 Munters Important user information Intended use of equipment Munters dehumidifiers are intended to be used for the dehumidification of air All other uses of the equipment ot use which is contrary to the instructions given in this manual can cause personal injury and or machine damage Warranty and obligations The warranty period is valid from the date the equipment left our factory unless otherwise advised in writing The warranty is limited to a free exchange including free freight of the faulty unit or components which have failed as a result of faulty quality or defects in manufacture Munters guarantees that the unit supplied has undergone thorough testing to ensure that it meets the specifications given here All warranty claims must include proof that the fault has occurred within the warranty period and that the unit has been used in accordance with the specifications All claims must specify the unit type and manufacturing number This information is stamped on the unit identification plate see the section Marking Itis a condition of the warranty that the unit for the full warranty period is serviced and maintained by a qualified Munters engineer or Munters approved engineer Access to specific and calibrated test equipmentis necessary The service an
10. Y Munters GmbH AirTreatment Zentrale Zentrale Hans Duncker Str 8 D 21035 Hamburg Germany Tel 49 0 40 879 690 0 Fax 49 0 40 879 690 131 E mail mgd munters de Web http www munters de ITALY Munters Italy S p A Air Treatment Strada Piani2 1 18027 Ghiusavecchia IM Italy Tel 39 0183521377 Fax 39 0183 521333 E mail marketing munters it Web http www munters it INDIA Tel 91 20 668 18900 info munters in JAPAN Tel 81 35970 0021 E mail mkk munters jp KOREA Tel 8227618701 munters munters kr MEXICO Tel 52722 270 40 29 munters munters com mx SWITZERLAND NETHERLANDS Munters GmbH Munters Vochtbeheersing AirTreatment Energieweg 69 Zweigniederlassung R mlang NL 2404 HE Alphen a d Rijn Glattalstr 501 Netherlands H 8153 R mlang Tel 31 17243 3231 Switzerland Fax 31 172442960 E mail vochtbeheersing munters nl Web http Avww munters nl Tel 41 52 343 88 86 Fax 41 52343 88 87 E mail info dh munters ch Web http www munters ch POLAND UNITED KINGDOM Munters Sp zo o Munters Ltd Oddzial w Polsce Air Treatment Air Treatment Pathfinder Place 10 Ramsay Cout ul Swietojanska 55 3A Hinchingbrooke Business Park 81 391 Gdynia Huntingdon PE296FY Poland Canbs Tel 48 58 305 3517 Fax 48 586211268 E mail dh munters pl Web http Awww munters com pl United Kingdom Tel 44 1480 432 243 Fax 44 1480413 147 info munters co uk http www munters co uk SPAIN
11. an the set point and switched off to save power Action Check dehumidifier is connected to the mains Check the mains socket if necessary by connecting another electrical appliance Reduce hygrostat set point or switch to manual operation See the section on Internal hygrostat operation chapter 3 3 Room temperature is below 3 C and the dehumidifier is automatically put out of Wait for the temperature to rise above 3 C operation Yellow light on display shows Container full or pump Empty water container or clear Full accessory blocked pump blockage Dehumidifier running Green light on SERVICE flashing on display Service interval set has expired Service the product as specified in the section on service counter expiry Dehumidifier running When RH activates the display shows SENSOR FAIL RH sensor defective Replace RH sensor e kWh and hours without power not displahyed Memory battery flat Replace battery See chapter 3 8 NOTE f the machine is not working properly switch off immediately e Before starting troubleshooting wait for one minute as the electronics could have cut off the machine for safety reasons y If the dehumidifier will not restart contact Munters This also applies if the machine runs without condensing any water There may be a fault on the cooling circuit which will require a service technician 19 Troubl
12. d maintenance must be documented for the warranty to be valid Always contact Munters for service or repair Operating faults can occur ifthe unit is maintained insufficiently or incorrectly Note The contents of this publication can be changed without prior notice This publication contains information which is protected by copyright laws No part of this publication may be reproduced stored in a system for information retrieval or be transmitted in any form in any manner without Munters written consent Please send any comments regarding the contents of this publication to Munters Europe AB Technical Documentation PO Box 1150 SE 164 26 KISTA Sweden e mail t doc munters se Safety In this publication hazardous activities are indicated and preceded by the common hazard symbol A WARNING is used in this publication to indicate a possible danger that could lead to personal injury An instruction is normally given followed by a short explanation plus the possible effects if the instruction is not followed CAUTION is used in this publication to indicate a possible danger that could lead to damage to the machine or other equipment and or cause environmental damage An instruction is normally given followed by a short explanation plus the possible environmental effect if the instruction is not followed NOTE Used to accentuate supplementary information thatis required for problem free use or opt
13. e shooting 190TEN 1071 C1304 Dehumidifier MKD series Munters 6 TechnicalSpecification 6 1 Dimensions MK30D MK60D mm MK30D MK45D MK60D L 414 539 539 B 506 530 530 736 822 903 TH 1023 1190 1270 6 2 Dimensions MK90D 190TEN 1071 C1304 Technical Specification 20 Dehumidifier MKD series Munters 6 3 Technical data MK30D MK45D MK60D MK90D Operating range RH 40 100 humidity Operating range C 3 32 temperature Power supply V Hz 230 50 Max amperage A 2 7 3 6 4 9 7 2 Max input kW 0 59 0 81 1 12 1 65 Air output m3 h 250 350 725 1000 Refrigerant R134a R407C R407C R407C Refrigerant charge kg 0 410 0 450 0 650 1 6 Water tank capacity l 7 1 13 8 13 8 Sound level 1 m dB 56 59 62 62 distance Weight kg 32 42 46 62 Safety class IP x4 Filter PP1 15 kWh 5 190TEN 1071 C1304 21 Technical Specification Dehumidifier MKD series Munters 7 Wiring diagrams 7 1 MK30D MK60D PES ast Potential free outputs EU LUEZ EZ Wi Apply max 24vDC 25mA HS Normally open BATTERY E J13 Solenoid 230V out External hygrastat PE PE ces TA PEL N YI M2 Supply BI Water pump Compressor solenoid HEAT FAN 230V input Cond Cond cvap Amb SCH SN Water Jack date plug valve 7 GE stop 2 open active 327 2 kQ H Description on next page
14. eby achieving rapid but gentle drying The dehumidifier will operate continuously if not a humidity sensor is connected 1 8 Maincomponents Handle Supply air inlet with PPI filter behind the grill Water tank MK30D MK60D Control panel Power cable Dry air outlet Wheels NH wo A N e 1 9 Water tank MK30D MK60D Water is collected in the water tank Alternatively you can also setup the dehumidifier for permanent drainage with the adapter for hose connection When the water tank is full the dehumidifier shuts off automatically Operation of the unit is not possible while the water tank is removed 190TEN 1071 C1304 Introduction 4 Munters Dehumidifier MKD series 1 10 Drip tray MK90D The drip tray catches condensation and is fitted with an outlet branch that has a 1 2 tapping enclosed 5 Introduction 190TEN 1071 C1304 Dehumidifier MKD series Munters 2 Installation Place the dehumidifier inthe middle ofa room if possible to ensure good air circulation where ait can be sucked in freely through the filter and blown out on the opposite side a with aminimum distance on the supply air side from a wall of about 600 mm The minimum distance on the dry air side should be 3 m away from any source of heat e g a radiator In addition ensure that windows and doors are closed in the room to be dehumidified Ww p C H Ad gt 2 1 Electrical connection The dehu
15. f the unit is necessary in order to achieve trouble free operation This section contains description of the recommended monthly and annual maintenance A CAUTION Always disconnect the power cable from the unit before doing any preventive maintenance 4 1 Monthly preventive maintenance MK30D MK60D Follow this procedure to carry out the monthly preventive maintenance 1 Open the front grill by tilting it outwards 2 Remove the filter Either rinse it with lukewarm soapy water or vacuumclean it if the filter is only alittle dirty Change the filter if itis very dirty Clean the water tank Remove the two screws in each side and tilt the jacket outwards about 302 Lift the jacket up and clear of the dehumidifier OQ 01 A W Clean the evaporator coil by brushing with a soft brush and vacuum clean compressed air Mount the jacket and put the water tank back in place Note Check that the water tank is fitted correctly 4 2 Monthly preventive maintenance MK90D Follow this procedure to carry out the monthly preventive maintenance 1 Open the front grill by tilting it outwards 2 Remove the filter Either rinse it with lukewarm soapy water or vacuum clean it if the filter is only a little dirty Change the filter ifit is very dirty 3 Clean the drip tray Note When you refit the drip tray make sure that the back edge of the drip tray rests on the edge inside the dehumidifier 4 Remove the two screws in each side and tilt the jacket out
16. grille 6 9077036762 9077036959 9077036959 Handle 7 9077036847 9077036847 9077036847 Finger screw M6 15 2 pcs 8 9077072418 9077072418 9077072418 Mounting jacket RJ plug 9 9077036730 9077036983 9077036983 Foot 2 pcs 10 9077036844 9077037094 9077037094 Wheel axle 11 9077036731 9077036731 9077036731 Wheels 2 pcs 12 9077036896 9077036971 9077036971 Vibration dampers 3 pcs for compressor 190TEN 1071 C1304 Spare part lists 26 Munters Dehumidifier MKD series Pos MK30D MK45D MK60D Description 13 9077036895 9077036961 9077037107 Compressor 14 9077036743 9077064863 9077037102 Condenser Evaporator surfaces 15 9077072258 9077072260 9077072262 Front grille including filter 16 9077036755 9077036957 9077037104 Filter air 17 9077036737 9077036988 9077036988 Container complete 18 9077036845 9077036845 9077036845 Threaded plug complete 19 9077036740 9077036740 9077036740 Solenoid coil 20 9077036733 9077036733 9077036733 Water stop sensor 21 9077072416 9077072416 9077072416 Sensor set AMB RH 22 9077071053 9077071057 9077071057 Cable set complete incl sensors 23 9077072414 9077072414 9077072414 Power cord 3 5 m with plug 24 9077037173 9077037173 9077037173 Junction box gasket 25 9077071049 9077071049 9077071049 Control panel complete incl display 26 9077072412 9077072412 9077072412 Main PCB 27 na 9077046167 9077038570 Thermo valve with c
17. imal use of the unit ii Important user information 190TEN 1071 C1304 Munters Table of contents Importantuserinformation ii 3 4 Externalhygrostatoperation 10 Intended use of equipment i 3 5 HOUr COUNter 11 Warranty and obligations ii 3 6 Displaytexts 12 Kl CU ii 8 7 Textdisplays when not connected to DAILY E T ji mains 13 Table of contents iii 3 8 Replacingthe memory battery 14 1 Introduction 1 3 9 Errormessages 15 1 1 General marne 1 3 9 1 MK30D MK6OD 15 1 2 Unpacking of the units MK30D 3 9 2 MK90D 16 MK60D 1 Maintenance and Service 17 1 3 Unpacking ofthe unit MK9OD 1 4 1 Monthly preventive maintenance 1 4 Marking 2 MK30D MK60D 17 1 5 Transportofthe dehumidifier 3 4 2 Monthly preventive maintenance 1 6 Stacking 3 MK90D Hassan 17 1 7 Operation principle 3 4 3 Annual preventive maintenance 1 8 Maincomponents 4 MK30D MK90D 18 1 9 Watertank MK30D MK60D 4 Trouble shooting 19 1 10 Driptray
18. lip 28 9077036758 9077037105 9077037105 Dry filter 29 9077036893 9077036893 9077036893 Solenoid valve 1 4 27 Spare part lists 190TEN 1071 C1304 Dehumidifier MKD series Munters 8 2 MK90D 2 19 18 7 Pos Number Description 1 9077037135 Front cover complete 2 9077037125 Fan blades 3 9077032880 Fan mount 4 9077037124 Fan motor Fan complete pos 2 3 4 5 9077037130 Exhaust grille 6 9077037129 Handle 8 9077072418 Mounting jacket RJ plug 9 9077037134 Foot 2 pcs 10 9077037133 Wheel axle 11 9077036731 Wheels 3 pcs for compressor 12 9077036971 Vibration dampers 190TEN 1071 C1304 Spare part lists 28 Munters Dehumidifier MKD series Pos Number Description 13 9077037131 Compressor 14 9077072420 Drip tray 15 9077037126 Condensor Evaporator surfaces 16 9077072263 Frontgrille including filter 17 9077037128 Filter air 18 9077071062 Lower front plate 19 9077046627 Hose spigot 1 2 20 9077036740 Solenoid coil 21 9077071063 Cable set complete incl sensors 22 9077072414 Power cord 3 5 m with plug 23 9077037173 Junction box gasket 24 9077071049 Control panel complete incl display 25 9077072412 Main PCB 26 9077072416 Sensor set AMB RH 27 9077011662 Dry filter 28 9077037136 Solenoid valve 1 4 29 9077038571 Thermal expansion valve with clip 29 Spare part lists
19. midifier is complete with cable and plug and ready for connection to a 230V 50Hz socket with a 10A fuse ora 16A circuit breaker 190TEN 1071 C1304 Installation 6 Munters Dehumidifier MKD series 2 2 Connectionofhumidistat The connection socket for the humidistat is located at the power cable entry The humidistat shall be mounted 1 1 5 m above the floor and positioned so that it is not exposed directly to dry air from the unit or incoming moist air from opening and closing doors It may not be placed close toa heat source or so that it is exposed to direct sunlight The humidistat shall be a single stage humidistat and connected so that the controlling circuit closes as relative humidity increases The connecting cable shall be screened and have copper conductors with a minimum cross section area of 2 x 0 75 mm2 2 3 Remote signals If an external alarm or run signal is required use terminal 24 and 25 which are connected by an electronic relay The run signal to be connected at terminal 22 and 23 If an error occurs there is no longer connection and the alarm will start Max 24V DC and 1 5mA 7 Installation 190TEN 1071 C1304 Dehumidifier MKD series Gi Munters 3 Operation 3 1 Controlpanel All functions are controlled from the integrated control panel 1 Display L T 2 Function keys 3 Status indicators 4 Main switch Main functions Manualor auto operation built in adjustable hygrostat
20. operation If an external hygrostat is connected the machine will automatically switch over to using it Any adjustment of the set point must now be made on the external hygrostat once the set point is reached the display will show EXT HYG STOP 190TEN 1071 C1304 Operation 10 Munters Dehumidifier MKD series 3 5 Hourcounter The built in hour counter logs the total number of operating hours cannot be reset and the number of hours left until the next service which can be adjusted The service hour counter is disabled upon delivery Step Key Feed back Press and SERVICE xxxxh shows the number of hours to the next authorised hold service This value is saved automatically after 5 seconds of flashing and the function will activate if not already activated When the set number of hours for service intervals 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 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 11 Operation 190TEN 1071 C1304 Dehumidifier MKD series Munters 3 6 Display texts The table below shows how to operate the operating information functions Key Feedback XX Cshows the current room temperature Actual RH sh
21. ows the actual relative air humidity value measured XX kWh shows total energy consumption Cannot be reset xxxxh shows the total number of operating hours for the machine Cannot be reset 190TEN 1071 C1304 Operation 12 Munters Dehumidifier MKD series 3 7 Textdisplays whennotconnectedto mains The machine has a built in battery to allow reading text displays when not connected to the mains The following texts can be read when not connected to the mains Key Feedback Displays total energy consumption in kWh hold down and press once Shows total number of operating hours for the dehumidifier hold down press once 13 Operation 190TEN 1071 C1304 Dehumidifier MKD series Gi Munters 3 8 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 A WARNING Always disconnect from the mains before changing battery Action 1 Slacken the screws on both side of the control panel and carefully lift the panel up using the top edge H 2 Cut the cable tie holding the battery Replace the battery using a new cable tie max 2 5 mm wide Use Alkaline AAA batteries only Illustration of PCB with battery included in the wiring diagram on page 22 190TEN 1071 C1304 Operation 14 Munters Dehumidifier MKD series
22. s fluorinated greenhouse gases covered by the Kyoto Protocol Munters GmbH Munters Europe AB Hans Duncker Strasse 8 Isarfjordsgatan 1 D 21035 Hamburg S 16426 Kista Telefon 040 7 3416 01 Telefon 046 8626 6363 Telefax 040 7 3416 131 Telefax 046 8626 6365 190TEN 1071 C1304 Introduction 2 Munters Dehumidifier MKD series 1 5 Transport ofthe dehumidifier NOTE Observe local working environment rules as regards heavy lifting Two people or a crane can move the dehumidifier See the instructions below 2 people Hoist crane Lift as shown below Lifting using a cargo strap The wheels are positioned such that the machine can be pulled upstairs without damage to the cabinet or stairs 1 6 Stacking Max two dehumidifiers should be stacked on top of each other Press the handle of the lower dehumidifier to the bottom before stacking The handle then fits a notch on the upper dehumidifier 1 7 Operation principle The following describes the air flow through the dehumidifier 1 A fan draws in humid air through a filter to the dehumidifier 2 The air is cooled down and humidity water drops are led down to the water tank 3 The air is reheated by the operation of the dehumidifier approx increase in temperature is 5 C 3 Introduction 190TEN 1071 C1304 Dehumidifier MKD series Munters Due to the repeated air circulation through the dehumidifier the air humidity is continuously reduced wher
23. use Remedy Red light on right Water container is full See emptying guide warning LED HIGH or fault on water pump below or check pump TEMP on display accessory outlet Red light on right Pressure or temperature Check filter and warning LED HIGH in high pressure element dehumidifier for dirt TEMP on display too high in airways Red light on right Room temperature out Place the dehumidifier warning LED of normal range in the specified AMBIENT TEMP temperature range on display between 3 32 Red light on right warning LED SENSOR FAIL on display One of the internal sensors is defective Use the keys to toggle between 3 possible errors SENSOR FAIL 1 EVAP FAIL Requires an authorised Evaporator service technician thermometer defective 2 COND FAIL Requires an authorised Condenser setvice technician thermometer defective 3 ROOM FAIL Requires an authorised The internal room setvice technician thermometer is defective Red light on right Leak in cooling circuit Requires an authorised warning LED LP setvice technician STOPon display 190TEN 1071 C1304 Operation 16 Munters Dehumidifier MKD series 4 Maintenance and Service The unit includes mechanical and electrical parts and the unit is often placed in a rough environment where the components are exposed to different climate conditions Therefore the unit will need preventive maintenance on a regular basis Proper maintenance o
24. wards about 30 5 Lift the jacket up and clear of the dehumidifier 6 Clean the evaporator coil by brushing with a soft brush and vacuum clean compressed air 7 Mount the jacket 17 Maintenance and Service 190TEN 1071 C1304 Dehumidifier MKD series Gi Munters 4 3 Annual preventive maintenance MK30D MK90D Follow this procedure to carry out the annual preventive maintenance 1 2 co NW YI Carry out the monthly maintenance as described above Vacuum clean the unit be very thorough with the condenser and the evaporator If the unit is very dirty move on to step 3 and 5 otherwise move on to step 5 Spray water based soap on the Evaporator condenser coil Fan blades using a household spray or the like Carefully clean the unit be extra careful around the fins with water however not directly on electrical components Check the fan Mount front and rear jacket and water tank Only MK30D MKD60 Check and tighten all cover plate screws as necessary Check that the hour meter is running 190TEN 1071 C1304 Maintenance and Service 18 Munters Dehumidifier MKD series 5 Troubleshooting Use the table below to localise and correct problems or errors Problem Dehumidifier will not start Display not switched on Dehumidifier will not start Greenlight noton HYG STOP shownon display Possible Cause Plug notin mains socket The hygrostat has measured air humidity lower th
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