MRC HU-24 Installation And Operation Manual

1

Mobile-type PTC Steam 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: [phone], Fax: [phone] [e-mail]

MRC.12.16

2

Safety Caution

Be sure to read before use. Keep this manual handy for the users to consult at
any time necessary.

The cautions shown here are to ensure the safety in use of the humidifier and to
preclude any danger and damage to the users and others. What could
conceivably result from wrong handling is identified in the form of either
“Warning" or “Caution". They should both be observed strictly as important
points that pertain to safety.

WARNING

CAUTION

Matter that could cause death or
serious injury to human

Matter that could cause injury to
human or damage to property

WARNING

●Do not insert and remove AC plug with wet hands, it may cause electrical shock.

● The nominal 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 electric leakage or firing.

● When you have noted smoking or abnormal smell, shut off electric power source

immediately and also off the power switch of the unit. If you keep running the unit it may
cause fire or electric shock. Then please report it to the supplier immediately.

● Do not disassemble the unit except cleaning purpose and also do not modify the unit. It

may cause fire or electric shock.

●Do not splash any water on the unit. It may cause short circuit or electric shock.

3

CAUTION

●Be sure not put hands, face close to the steam outlet port, it may cause getting burned.

●Do not move or shake the unit during the operation. It may cause electric shock or

leakage.

●Do not install or locate the unit where such as unstable or vibrating places. The units
may fall down and hurt the people around there.

●Do not install 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.

●Keep open through around the electric plug to shut down the power easily at any
emergency cases.

●Use 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 burned.

●Do not use extension cables, it may cause electric shock or fire.

●Drain off all water from the water tank and water reservoir if you stop the running for a

while. Otherwise, it cause the offensive odor created by some bacteria and it may affect
health.

●Use only clean water (R.O or Pure water) for the unit. Other liquid may cause trouble of
the unit and make fire or electric shock.

4

2

0

0

0

White line

Black line

Green line

Back

Power cable(VCTF-22 3core×2SQ)

CAUTION for Installation Location

1. Do not install or locate the unit where such as unstable or vibrating places and the unit
should be horizontally-supported.

2. Put the unit away to keep certain distance from surrounding area.

3.Steam comes out from the steam outlet port, it may invite errors in control mechanisms
installed near by the unit, and also may change the color of the furniture or wall.

4. Do not install 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 and green line

should be connected to earth.

Electrical working drawing

Dotted line parts should be arranged by customer.

Electrical leakage breaker(AC230V-20A induced current 30mA)

AC230V 50/60Hz

Earth

White

Black

Green

unit

Humidifier

Earth

Intermediary terminal or high capacity socket

5

Front

Air inlet port

Front

Titanium dioxide filter

Note on operation

Various kinds of the filters

1. Pre-Filter

The filters are installed at the back side 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.)

6

1. Product overview

Front view

Water tank cover (on either side) Steam outlet 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

7

8

6

4

2

2. How to remove the water tank cover

Push the unlock button situated on upper parts of both front and rear sides at the
hollow parts of the cover 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.

8

4. Function of the display and operating elements

①. ON/OFF key (Power Switch) : Switch the unit On or Off.
②. Operating display : Shows current humidity and functions.
③. Set switch for setting humidity level : Set humidity level with switch ④
④. Setting humidity level : Set the humidity level up and down with pushing SET

switch ③ at same time.

⑤. Ventilation switch : Switch the ventilation On and Off .
⑥. Heater output : Change for high power (2kW) or low power (1kW) with pushing

SET switch ③.
⑦. Sterilization switch : Switch the sterilization function On or Off .
⑧. Air cleaning switch : Switch the air cleaning function On or Off.
⑨. Lock switch : Child lock for all function by pressing the button for 3 seconds.

⑩. LED for water supply : When the water tank gets empty, LED lights with alarm.

9

5. Operation

Notes on operation :

1. Fill the pure or R.O water in the water tank.
Open the tank cover and remove the water tank then fill the pure or R.O water into
tank, and set back it to the unit to according to P.6.

2. Power Supply

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 operation status as shown below.

10

Operating the control unit.

1. Press the On/Off key.
An alarm will sound and show the current humidity on the display panel.

2. Set the required humidity level in %.

- Push the SET switch on the panel, it shows the humidity level setting by last time.

- If you require other humidity level, push UP or DOWN 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 indicate ‘’-----‘’ in the display
then the unit will shutdown in about 10 minutes after run of the ventilation.