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30 

9. Maintenance list

To  maintain  operational  safety, 

MRC

 must  be  maintained  at  regular 

intervals. 

Below you will find a summary of the work to be carried out for each of 

maintenance stages take into consideration of annual number of operating hour 

as 1,000 hours.

 

Components 

Work to be done 

( 1time / year ) 

Approx. time for 

replacement (years) 

Pre-filter 

Cleaning of dirt 

3 

Oxidized titanium filter 

Wash lightly in water 

5 

UV lamp for air cleaning 

Wipe the lamp with a dry 

cloth   

10 

Lamp set for sterilization 

Wipe the lamp set with a 

dry cloth

 

10 

Drain pump 

---- 

3 

PTC immersion heater 

Cleaning of dirt 

3 

Each hose/pipe 

Cleaning of the dirt inside 

the hose/pipe 

3 

Steam hose 

----- 

5 

10. Warranty

Please see P.33 of this manual for the detail. 

Summary of Contents for HU-24

Page 1: ...am Humidifier for office or commercial space HU 24 INSTALLATION AND OPERATION MANUAL PLEASE READ THIS MANUAL CAREFULLY BEFORE OPERATION 3 Hagavish st Israel 58817 Tel 972 3 5595252 Fax 972 3 5594529 mrc mrclab com MRC 12 16 ...

Page 2: ...l current of AC plug having more than 5A must be used singly not combination use Do not touch any electric circuit during power on especially by wet hands It will get electric shock All of electric cable wire should not be damaged processed pulled or forcibly bended It will cause electric leakage and make fire or electric shock All of electric cables wires should not bind or tie not to cause elect...

Page 3: ... only specified electric power source and no other voltage required Connect Ground without fail otherwise earth leakage breaker will not work Before carrying out the cleaning works cut off the power source otherwise it may cause electric shock Before carrying out the cleaning works cut off the power source and wait till the temperature get down in the water reservoir otherwise it may cause getting...

Page 4: ...all or locate the unit where dusty place sun shine light exposing directly high temperature close to fire All are very risky for the fire of the unit CAUTION for Electrical Work 1 Use only dedicated line for the humidifier to supply power and install ground fault interrupter switch panel Power supply AC230V Rated power 2 1kW 2 Power source should be connected to white and black line of power cable...

Page 5: ...e of each air inlet ports on both sides of the unit to protect the suction of dust Please refer to P14 for cleaning 2 Titanium dioxide filter 3 sheets of the titanium dioxide filter are installed inside the air inlet port on the left side of the unit to give hygienical odorless air and sterilize the bacteria and the virus Please refer to P15 for cleaning ...

Page 6: ...let port Handle Clean air outlet port Operation buttons Air inlet port on either side Front panel Back view Adjuster Accessory Back side panel Installation and operation manual Power cable On the right side built in humidity sensor On the left side built in air cleaning unit ...

Page 7: ...over and remove it to the arrowed line showing in the below Unlock button 3 Supplying water Pure or R O water should be used 1 Open the water tank cover and pull out the water tank 2 Remove the cap for the water tank and fill up the pure or R O water in the tank 3 Fasten the cap tightly and set back the water tank to the unit and close the tank cover ...

Page 8: ...level up and down with pushing SET switch at same time Ventilation switch Switch the ventilation On and Off Heater output Change for high power 2kW or low power 1kW with pushing SET switch Sterilization switch Switch the sterilization function On or Off Air cleaning switch Switch the air cleaning function On or Off Lock switch Child lock for all function by pressing the button for 3 seconds LED fo...

Page 9: ...pply 2 1 After finishing electric work according to P 3 open the tank cover and pull the back side panel to the direction of arrow as shown below 2 2 Push the electrical leakage breaker On Close the back side panel 2 3 Switch on the power switch on the display panel Electrical leakage breaker Back side panel 2 4 An alarm will sound when the power is supplied then the display shows the standby oper...

Page 10: ...WN switch with pushing SET switch Factory setting 50 Setting range 0 99 If you disengage a finger from SET switch then the display shows current humidity 3 Start of steam generation When the current humidity is lower than the setting humidity the unit is activated and starts generating the steam after about 10 minutes 4 Shutdown the unit By pushing the On Off switch an alarm will sound and indicat...

Page 11: ...utlet port it may cause getting burned If you operate the unit with ventilation switch OFF the hot steam comes out from steam outlet 2 HIGH LOW switch for heating power Switch to change the humidifying heater to high or low Can change the humidifying heater high or low by pushing this switch with pushing SET switch at the same time LED display shows high in the left and low in the right sides High...

Page 12: ...r sanitization outlet port 4 Switch for sterilization To sterilize air Sterilized ozone is emitted inside the room from the air sanitization outlet port 5 Switch for Rock Child lock for all function by pressing the button for 3 seconds The lock is released by pressing another 3 seconds ...

Page 13: ...e Warning alarm can be switched off by pushing lock switch 2 Exchange the UV lamp for air cleaning 2 1 When UV lamps built in the air cleaning unit has exceeded the life time and no lighting up the UV lamp LED lights and showing the error message in the display with alarm 2 2 Replace the UV lamps error message is disappeared after replace the UV lamps and restart the air cleaning operation please ...

Page 14: ...carrying out the cleaning works cut off the power source It may cause electric shock Before carrying out the cleaning works cut off the power source and wait till the temperature get down in the water reservoir It may cause burn injury WARNING Do not splash any water on the unit It may cause short circuit or electric shock Do not maintain the unit while in use or shortly after operating It may cau...

Page 15: ...nd close the cap firmly and wash by shaking 2 Cleaning the pre filter 2 1 Pull out the handle under the air inlet ports as shown below sketch and take out air inlet ports Air inlet port 2 2 The pre filter is inserted at the back side of the air inlet port Pull out the pre heater and take up dust by vacuum ...

Page 16: ...16 Air inlet port Pre filter ...

Page 17: ...e installed inside the air inlet port at the left side of the unit Take out the air inlet port and pull out the filters 3 2 Wash oxidized titanium filters lightly in water and dry in the sun then back them to the unit Note There is no opposite sides to the same oxidized titanium filter Wash in the water Dry in the sun ...

Page 18: ...ers 4 2 UV lamps are plugged in the sockets so pull out the lamps as shown the below and replace them with new lamps Note There is no polarization setting for the UV lamps Be sure to plug the lamps firmly into the sockets 4 3 After replace the UV lamps set the oxidized titanium filters on the position and fix the air inlet port Note There is no opposite sides to the same oxidized titanium filter U...

Page 19: ...amp for sterilization 5 1 Open the water tank cover on the left side of the unit and pull out the tank as shown the below 5 2 Loosen 2 screws on the side cover and remove the side cover as shown the below sketch Side cover ...

Page 20: ...tion from ventilation duct inside the unit and disconnect the lead from connector Connector Ventilation duct Lamp unit 5 4 Replace the lamp unit for sterilization with new one as set 5 5 Installation of the unit follows the reverse sequence ...

Page 21: ...Before carrying out the cleaning works cut off the power source It may cause electric shock Before carrying out the cleaning works cut off the power source and wait till the temperature get down in the water reservoir It may cause burn injury 6 1 Open the tank cover then open the front panel to the direction A as showing the below sketch Remove the panel by pulling out to the direction B as showin...

Page 22: ... Remove 2 water tanks 6 3 Supply the main power to the unit and setting Stand by operation Display showing when stand by operation Part Names Drainage switch Drain port Drain hose Bucket arranged by customer ...

Page 23: ...ose Bucket arranged by customer 6 5 Drain starts when setting On the drainage switch When the water is completely drained setting Off the drainage switch ELB Drainage switch 6 6 Setting Off the power supply switch after drainage 6 7 Put back the front panel to the original position ...

Page 24: ...on by following procedure 7 1 Finishing drainage of the water in the unit Clean the water reservoir 7 2 Remove the back panel of the unit Water reservoir 7 3 After confirming switching off the switch panel and earth leakage breaker on the unit remove the heating cables from terminal block Heating cable 黒 赤 白 ...

Page 25: ...n the hose band and pull out the steam hose from the top cover of the water reservoir Steam hose Hose band 7 5 Unfasten 2 screws fixing the water reservoir Fixed bracket Fixing screw Top cover of the water reservoir ...

Page 26: ...ply tube Note There is some water left in the water reservoir so tilt the reservoir direction to the water supply hose when detaching the reservoir from the unit 7 7 Remove the top cover of the reservoir and remove any limescale by a brush do not use a wire brush inside the water reservoir and top cover then wash them up with clean water ...

Page 27: ... Note O ring is installed in the water supply tube Degradation and deformation of O ring cause the leakage of the water so need to check O ring when mounting the water reservoir and replace with new O ring if needed O ring 7 9 Installation of the water reservoir follows the reverse sequence Note In order to avoid mishandling the unit please set Off for both switch panel and earth leakage breaker ...

Page 28: ... of water boiling coming from the unit during on operation is the sign that the water in the reservoir get dirty Please drain water from reservoir or cleaning the reservoir 3 Wiping the body of the unit The places like steam output port and air inlet ports get dirty easily so wiping by wet clothes when they get dirty To use HU 24 long term We recommend the customer to drain the water from the rese...

Page 29: ...g humidity level LED lights for water supply Supply water Less output the steam Mossy surface in the water reservoir Clean the water reservoir Empty in the water tank Supply water in the tank Dirty at the steam outlet port Clean the steam outlet port Have an abnormal noise Mossy surface in the water reservoir Clean the water reservoir Have an unusual odor Not carried out the drainage in the water ...

Page 30: ...rs Components Work to be done 1time year Approx time for replacement years Pre filter Cleaning of dirt 3 Oxidized titanium filter Wash lightly in water 5 UV lamp for air cleaning Wipe the lamp with a dry cloth 10 Lamp set for sterilization Wipe the lamp set with a dry cloth 10 Drain pump 3 PTC immersion heater Cleaning of dirt 3 Each hose pipe Cleaning of the dirt inside the hose pipe 3 Steam hose...

Page 31: ... sterilization Max 30m3 h Water tank capacity 10 L x 2 Humidity display range 10_ _ _99 RH Water quality Pure or R O water Auxiliary function Output switch L H Display for current relative humidity RH Function for air cleaning Function for air sterilization Fault indications on display Ambient condition 0 40 C No freezing Max 70 RH Weight Dry 24 5kg Full 44 5kg External dimensions mm ...

Page 32: ...32 Wiring diagram ...

Page 33: ...on manuals 3 If the products have been modified or altered without written agreement with MRC 4 Under circumstances of any direct indirect incidental consequential damages or damages for injury occurrence to person or property loss of business or information loss of profit or production interruption in relation to the manufacture or use of the products 5 Any damage or malfunction due to act of pro...

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