Mitsubishi Electric Fresh Master GUF-50RDH4 Operating Instructions Manual page 13

How to clean the strainer (filter)
O-ring (P20)
1. Rotate the strainer cap counterclockwise and remove it.
2. Use water to wash off any dirt adhering to the filter.
3. Replace the strainer cap.
How to remove the humidifying elements
The heat exchanger is located on the left side, and the hanging bolt
is located on the right side. Swing the rear side of each of the hu-
midifying elements to the right, and take out the humidifying element
while making sure not to touch the heat exchanger or the hanging
bolt.
1. Remove the inner lid.
Inner lid
1. Place your fingers on the grip part and pull the inner lid
forward.
2. Holding both ends with your hands, pull the inner lid for-
ward.
2. Remove the water supply tube from the
humidifying element.
Water supply tube
Solenoid valve unit with
pressure regulator
[3]
[2]
[1]
Hose band
Holding the hose bands indicated by [1] to [6] with your fingers,
remove the water supply tubes. Referring to the procedure en-
titled "removing the humidifying elements" below, remove the
water supply tube at the rear while taking out the front humidi-
fying element.
Strainer
Filter
Strainer cap
O-ring (P22A)
Grip part
[6]
[5]
[4]
Humidifying element
Water supply tube
Caution:
- To remove the water supply tube, hold and slide the hose
bands and remove the water supply tube.
- Do not remove the water supply tube from the solenoid valve
unit with a pressure regulator.
- When removing the water supply tube, be sure that water is
collected on the drain tray inside the main unit.
3. Removing the humidifying elements
1. Pull the first humidifying element forward, swing the rear
side of the humidifying element to the right, lift it upward,
and then pull it out diagonally.
Model name Quantity
GUF-50RDH4 2
GUF-100RDH4 4
Humidifying element
2. For the third and subsequent humidifying elements, pull the
rod for removal of the humidifying elements forward until
you can reach an element with your hands, and then pull it
out (GUF-100RDH4).
Caution:
- Do not separate the rod for removal of the humidifying ele-
ments from the product.
- Take out the water supply tube together with the humidifying
element. (Collect the residual water in the humidifying ele-
ment using the drain tray.)
- Do not bend or stretch the water supply tubes.
How to wash the humidifying elements
with water
Scrub brush
Fill a bucket or other container with water, then shake each
humidifying element four to five times up and down in the water
to wash out any dust and particles.
Caution:
- Do not use a scrub brush to clean the humidifying elements.
- Do not hose off the humidifying elements. Doing do so will
damage them.
- Do not use hot water of 40°C or hotter, nor use detergents, to
clean the humidifying elements.
Humidifying element
Rod for removal of the
humidifying elements
Hose
12