Maintenance; Removing The Parts; Cleaning The Parts - Mitsubishi Electric LGH-50RVS-E Operating Instructions Manual

4. Maintenance

Remove all dust and dirt on air filters and Lossnay cores at regular
intervals in order to prevent a deterioration in the Lossnay functions.
Guideline:
Clean the air filters once a year. (or when
remote controller)
Clean the Lossnay cores if they are dirty.
Clean the drain pan and Backflow stoppers once a year. (Frequency
should be increased depending on their dirtiness.)
WARNING
• Make sure the power supply isolator is turned off before
starting maintenance.
It could cause electric shock or injury if it is turned on.
• Do not touch the product for at least 5 minutes after the power
is shut off.
Electrical shock can result.
CAUTION
• Put on gloves during maintenance.
It could cause injury.
• Securely install parts after maintenance.
It could cause injury if parts fall.

4.1 Removing the parts

1) Maintenance cover for filters
Loosen four screws on the maintenance cover for filters.
Upper two screws are fastened
with keyhole fitting, loosen them
enough to remove the cover.
Maintenance cover
for filters
Lower two screws have fall
protection washer, so they would
not come off from the cover.
Maintenance cover
for filters
2) Air filters
Draw the filters out from the unit.
Air filter
3) Maintenance cover for the other parts
Remove it in the same way as maintenance cover for filters.
Maintenance cover for the other parts have also structure of
are indicated on the
keyhole and fall protection screws.
4) Inner cover and motor cable
1. Pull out the upper part of the inner cover frontward and remove it
2. Open the snap-in cable clamp and take out the motor cable from
• In case of pulling out inner cover forcibly not following the
directions above, the styrol could be broken.
5) Lossnay cores
Hold the handle and draw the Lossnay cores out from the unit.
When pulling out the Lossnay cores, be sure the motor cable not
to be hooked. Otherwise, it might damage the motor, PCB and
Lossnay cores.
• Do not forcibly pull out the Lossnay cores while the motor
lead is hooked. The lead may be disconnected.

4.2 Cleaning the parts

1) Air filters
Use a vacuum cleaner to remove light dust. To remove stubborn
dirt, wash in a mild solution of detergent and lukewarm water.
(under 40˚C)
• Never wash the filters in very hot water and never wash them
by rubbing them.
• Do not dry the filters by exposing them to a flame.
Eng-5
Maintenance cover
for the other parts
in the direction of the arrow in below picture.
it.
Inner cover
CAUTION
Lossnay core
CAUTION
Vacuum cleaner
Air filter
CAUTION
Motor cable
Cable clamp