Maintenance (For A Qualified Service Person Only) - Daikin VAM-FA8VE Technical Data Manual

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8.4

Maintenance (for a Qualified Service Person only)

8.4.1 How to clean the Air Filter
220
• HRV • VKM-GA(M)V1
Note
•
When the fan motor fails, the remote controller does not display any error code.
Usage under that status will lead to insufficient ventilation.
The air supply and exhaust fans should be checked once every one or two months.
You can make a simple check such as below way.
To check the wind flow, hold a bar of which the end has a string or other similar lightweight item over the
supply grille and exhaust grille.
•
When the solenoid valve fails, the remote controller does not display any error code.
Usage under that status will lead to insufficient humidification and increased tap water consumption.
The solenoid valve should be checked at the beginning of the heating season.
<VKM-GAMV1 series only>
ONLY A QUALIFIED SERVICE PERSON IS ALLOWED TO PERFORM MAINTENANCE
DO NOT CHECK OPENING INSIDE THE UNIT BY YOURSELF.
WARNING
•
BEFORE OBTAINING ACCESS TO TERMINAL DEVICES, ALL POWER SUPPLY CIRCUITS MUST
BE INTERRUPTED.
•
To clean the HRV, or maintenance be sure to stop operation, and turn the power switch off.
It may cause electrical shock and it is very dangerous to touch the rotating part.
•
Do not wash the HRV with water.
Doing so may result in an electric shock.
CAUTION
•
Use gloves when cleaning.
Cleaning without gloves may cause injury.
•
Watch your step.
Use caution, as this requires working in high places.
•
Do not use benzene or thinner to clean the outside surfaces of the air conditioner.
This may cause cracks, discoloration, or machine trouble.
Clean the air filter when the display shows "
It will display that it will operate for a set amount of time.
AT LEAST ONCE EVERY YEARS (FOR GENERAL OFFICE USE)
(CLEAN THE MORE FREQUENTLY IF NECESSARY.)
•
Increase the frequency of cleaning if the unit is installed in a room where the air is etermely contaminated.
•
If the dirt becomes impossible to clean, change the air filter (Air filter for exchange is optional).
(1) Detach the maintenance cover.
Go into ceiling through the inspection hatch, remove binding metal of maintenance cover and take it off.
(Refer to figure 8-1)
(2) Detach the air filter.
Take out from the heat exchange elements.
(Refer to figure 8-2)
(3) Clean the air filter. (Refer to figure 9)
Use vacuum cleaner A) or wash the air filter with water B).
A) Using a vacuum cleaner
B) Washing with water
When the air filter is very dirty, use soft brush and neutral detergent.
After cleaning, remove water and dry in the shade.
Note
•
Do not wash the air filter with hot water of more than 50°C, as doing so may result in discoloration and/or
deformation.
•
Do not expose the air filter to fire, as doing so may result in burning.
•
Do not use gasoline, thinner, or other organic solvents.
This may cause discoloration or deformation.
(4) Fix the air filter.
If the air filter is washed, remove water completely and allow to dry for 20 to 30 minutes in the shade.
When dried completely, install the air filter back in place. (Refer to figure 10)
Note
•
Be sure to install the air filter after servicing.
(Missing air filter causes clogged heat exchange element.)
The air filter is an optional item and the replacement is available.
• HRV • Heat Reclaim Ventilation
" (TIME TO CLEAN AIR FILTER).