INDUSTRIAL DEHUMIDIFIER OWNER`S
Contents
1. To carryout the following it is necessary to remove the top cover panel This machine should be serviced by qualified Ebac Industrial Products Ltd personnel or other persons having technical competence in servicing electrical equipment following the instructions in this Service Manual e The rotor is maintenance free However should it be necessary to clean the rotor compressed air should be used to carefully blow dirt from the rotor e The PTC heaters are maintenance free However should it be necessary to clean the heaters compressed air should be used to carefully blow dirt from the heaters e Check that the fan is firmly secured and that the fan rotates freely e Check all wiring connections e Check the belt tensioning at regular intervals Adjust when needed by loosening the four bolts holding the drive wheel and rotating the drive motor until correct tension is achieved e The overheat protector is located inside the unit towards the front near the rotor To reset this device press the red button e Should an electrical component fail consult the Factory Service Center to obtain the proper replacement part Page 8 of 11 2 Drawing TPC 356 Issue Date 19 05 10 IF ANY OF THE PRECEDING PROBLEMS OCCUR CONTACT THE EBAC INDUSTRIAL PRODUCTS LTD SERVICE CENTER PRIOR TO CONTINUED OPERATION OF THE UNIT TO PREVENT PERMANENT DAMAGE No rotation of Rotor Air leakage TROUBLESHOOTING2. Drawing TPC 356 Issue 2 Date 19 05 10 LTD DD200 INDUSTRIAL DEHUMIDIFIER OWNER S MANUAL www eipl co uk Page 1 of 11 Drawing TPC 356 Issue 2 Date 19 05 10 UNPACKING Carefully remove the DD200 dehumidifier unit from its transit box and visually check for signs of transit damage If there is evidence of damage DO NOT attempt to operate the unit call your supplier for advice Do not discard the packing it will be useful when transporting the dehumidifier unit in the future INTRODUCTION Dehumidifiers remove moisture from the air that is circulating through the unit The resulting reduction of relative humidity helps prevent rust rot mould mildew and condensation within the room or other enclosed spaces where the dehumidifier is used The DD200 is of the desiccant wheel type designed to dry air by passing a large volume of air the process air through a slowly rotating Silica gel rotor Silica gel is a hygroscopic material that absorbs moisture direct from the air As the air passes through the rotor the humidity of the air is reduced whilst the moisture content of the rotor is increased A smaller volume of air the reactivation air is heated by an internal heater and passes through a portion of the rotor in the opposite direction As this heated air passes through the rotor it will reactivate it by removing the moisture content from the silica gel material The re
3. 19 05 10 OPERATION The electrical controls are located on the front of the unit They are e ON OFF Switch 0 Dehumidifier OFF 1 Dehumidifier ON e Humidity Switch M Dehumidifier in continuous operation A Dehumidifier operation by means of an external humidistat e An ammeter is provided to display the current used by the unit e An hour counter is provided to display the total time the unit has been in operation e A socket is provided for connection of a external humidistat To start the dehumidifier turn the On Off switch to position 1 Turn the humidity switch to position M After a slight delay the fan will operate air can be felt blowing from the air outlets and the heater will come on The unit will operate continuously at this setting Note The DD200 is controlled by an electronic circuit board and uses PTC positive temperature coefficient heater technology to provide the heat necessary to reactivate the rotor At switch on the ammeter will initially show a higher current for a few seconds prior to settling to a steady value This is normal If an external humidistat control is fitted turn the humidity switch to position A Depending on the setting of the humidistat the dehumidifier may switch off as the relative humidity in the room decreases As the humidity increase the unit will automatically switch back on The Humidistat plug supplied should be wired using pins numbered 1 amp 2 Pin 3 is
4. SYMPTOM CAUSE REMEDY Filter clogged Clean or replace filters Littieorne No regeneration heat Check PTC OHP dehumidification Reduced airflow Check fan duct capacity Check belt tension drive motor Check sealing Dehumidifier does not start No power Correct switch setting Loose electrical wiring Check fuse Check Auto Manual switch Check wiring diagram fault find amp repair Rotor does not rotate Drive belt slipping Drive belt broken Rotor jammed Drive motor faulty Check belt tension Replace drive belt Check centre shaft rim of rotor Check supply Replace motor No Dry or Wet Air Airflow Filter clogged Fan faulty Ducts blocked Clean or replace filters Check supply fan Check duct for obstruction Low current Low reactivation airflow Check air path for restriction displayed on ammeter PTC faulty Check PTC OHP Fan loose Check fan is secured firmly Noisy Loose fastenings Tighten all fastenings Page 9 of 11 2 Drawing TPC 356 Issue a j Date 19 05 10 SPARE PARTS LIST DESCRIPTION PART NUMBER Process Air Fan Motor 3040261 Capacitor for Process Air Fan Motor 3030891 Process Inlet Filter 2050114 Drive Motor 3040260 Capacitor for Drive Motor 3030875 Pulley 3050556 Pulley Belt 3050555 PTC Heater 3031626 Overheat Protector 3477026 Desiccant Wheel 3020708 PCB Controlle
5. not required See diagram 5010307 at back of manual Page 5 of 11 Drawing TPC 356 Issue 2 Date 19 05 10 AIR MOVING SYSTEM The DD200 is a single fan balanced system providing both the Process air and Regeneration air flow As the air passes over the rotor it will be heated as a result of the regeneration cycle The air leaving the unit will be hotter than the air entering During normal operation some parts of the dehumidifier may become hot This is normal HIGH TEMPERATURE CUT OUT The DD200 dehumidifier has been designed to work in ambient conditions of 20 C to 40 C Should the temperature in the room become excessive an overheat protector will operate switching off the PTC heaters The fan and drive motor will continue to operate This is a manual reset device Prior to resetting the protector check that the dehumidifier is installed correctly and the ambient temperature does not exceed 40 C See repairs section for details on resetting device DEHUMIDIFICATION CAPACITY Approximate capacity in Kg h at different inlet process air temperature and relative humidity Dehumidification Capacity Kg h 1 2 80 RH 60 RH 0 8 40 RH 0 4 0 0 10 0 10 20 30 Process Air Temperature C Page 6 of 11 Drawing d 356 Issue Date E 9 05 10 SAFETY WARNING DO NOT ALLOW CHILDREN TO PLAY WITH OR AROUND THE UNIT ENSURE THE UNIT IS INACCESIBLE TO CHILDREN
6. ITIONING The DD200 is designed for indoor use Position the dehumidifier unit in the center of the room to be conditioned if at all possible NOTE Both the air inlets and outlets of the dehumidifier unit must have clear space around them and not be obstructed in anyway DUCT CONNECTION The wet air outlet from the dehumidifier must be exhausted to outside of the room being dried by means of a suitable duct All duct connections to the dehumidifier have been designed for connections to standard size ducts The duct should be as short as possible to reduce the risk of condensation of the wet air The duct should slope downwards away from the unit to stop any condensed water from flowing back into the unit The dry air outlet is also provided with a means of attaching a duct This can be used to direct the air towards more severe damp patches WIRING WARNING THIS APPLIANCE MUST BE EARTHED The DD200 is provided with a standard plug and is designed to operate from a 13 Amp supply IMPORTANT The wires in the mains lead are coloured in accordance with the following code GREEN asini bei asssssa EARTH WHITE iiie eria Ro ien NEUTRAL BLACK LIVE If the supply cord is damaged it must be replaced by qualified Ebac Industrial Products Ltd personnel or other similar qualified persons in order to avoid hazard Page 4 of 11 Drawing TPC 356 Issue 2 Date
7. WHEN NOT ATTENDED DO NOT USE THIS UNIT IN AN ENVIRONMENT CONTAINING FLAMMABLE FUMES DO NOT USE THIS UNIT IF THE CABINET OR POWER CORD IS DAMAGED DO NOT INSERT OBJECTS INTO ANY OF THE GRILLES ON THE MACHINE DO NOT COVER OR OBSTRUCT AIRFLOW FROM THE GRILLES DO NOT OPERATE THE UNIT WITH THE COVERS REMOVED DO NOT ATTEMPT ANY REPAIRS SHOULD THE UNIT FAIL TO OPERATE DO NOT STAND ON THE UNIT DO NOT LIFT THE UNIT WHEN SWITCHED ON DO CHECK THE PLUG ON THE EQUIPMENT MATCHES THE SUPPLY DO USE THE UNIT FOR THE PURPOSE FOR WHICH IT WAS DESIGNED DO ENSURE THE POWER CORD AND SUPPLY IS EARTHED CORRECTLY DO USE A RESIDUAL CURRENT DEVICE RCD WHERE POSSIBLE DO KEEP THE UNIT DRY NEVER USE A HOSE OR PRESSURE WASHER TO CLEAN THE UNIT Page 7 of 11 Drawing TPC 356 Issue 2 Date 19 05 10 ROUTINE MAINTENANCE amp REPAIR WARNING ENSURE THAT THE POWER CORD TO THE MACHINE HAS BEEN DISCONNECTED BEFORE CARRYING OUT ROUTINE MAINTENACE SWITCH OFF THE DEHUMIDIFIER APPROXIMATELY 15 MINUTES PRIOR TO REMOVING ANY PANELS ALLOWING THE HEATER TO COOL DOWN To ensure continued full efficiency of the dehumidifier maintenance procedures should be performed as follows e We recommend that the filter is checked at least once a month Intervals for cleaning or replacement of filters will depend on the installation e Never operate the dehumidifier without the filters as the rotor can be damaged by dust
8. activation air will leave the humidifier as warm moist air and must be vented to outside of the building Continuous circulation of the room air through the dehumidifier unit gradually reduces the relative humidity in the room The DD200 dehumidifier is a robust compact unit designed to control the humidity in the enclosed space in which it is placed The casing is fabricated from Stainless Steel 304 and has been designed for the exacting conditions which can prevail in offices shops houses restaurants public houses etc It combines lightness and compactness with high reliability and strength Carry handles are provide to contribute to its portability The unit is thermally protected and will switch off if the maximum operating temperature of 40 C is exceeded The dehumidifier has a single filter positioned at the air inlet and is used to clean the air entering the dehumidifier Page 2 of 11 2 Drawing Issue Date TPC 356 2 19 05 10 SPECIFICATIONS MODEL DD200 HEIGHT 340mm WIDTH 330mm DEPTH 380mm WEIGHT 17 Kg DRY AIRFLOW 180 M3 HR WET AIRFLOW 50 M3 HR POWER SUPPLY 115V 1 ph 60Hz POWER 0 8 kW max FINISH Stainless steel 304 DEHUMIDIFICATION CAPACITY AT 27 C AND 6096 RH 0 9kg h NoISE 67dB A Page 3 of 11 Drawing s 356 Issue Date EU 0 INSTALLATION POS
9. r 1619600 Mains Cable 3035148 On Off Switch 3030557 Auto Manual Switch 3030522 Ammeter 3180100 Hour Counter 3030779 Humidistat Socket 3033807 Humidistat Plug 3033806 Spare parts available online www EIPLDIRECT com Page 10 of 11 p C m j 3 C C a C C T S T 9 1 w oa CP er aa et s i SENEC H STAT 1 PLAIN PLUG 2 SOLDER H STAT 4 PLAIN PLUG 1 SOLDER TITLE BISHOP AUCKLAND DESICCANT REMOTE H STAT WIRING ENGLAND DIMENSIONS IN m m MATERIAL DRAWN W DAGUSH DRAWN W DAGLISH DAGLISH TOLERANCES UNLESS OTHERWISE STATED CAD SCALE WA SCALE 0 O 2 FINISH EIE s NO DO NOT SCALE TM coe 5010307 ELET IF IN DOUBT ASK ANGULAR 0 5 1 OF 1 3RD ANGLE PROJECTION 2 UK Head Office Ebac Industrial Products Ltd St Helens Trading Estate Bishop Auckland County Durham DL14 9AD Tel 44 0 1388 664400 Fax 44 0 1388 662590 www eipl co uk sales eipl co uk American Sales Office Ebac Industrial Products Inc 700 Thimble Shoals Blvd Suite 109 Newport News Virginia 23606 2575 USA Tel 01 757 873 6800 Fax 01 757 873 3632 www ebacusa com sales ebacusa com Page 11 of 11 Drawing TPC 356 Issue 1 2 Date 19 05 10 German Sales Otfice Ebac Industrial Products Ltd Miraustra 64 66 13509 Berlin Germany Tel 49 3043 557241 Fax 49 3043 557240 www eip Itd de sales eip ltd de
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