Daikin FHC45B7V1, Operation Manual

Page: 7 / 10

FH(Y)B+C(P) + FDY(P) + FBQ + FCQ + FDQ
Split system air conditioners
4PW10622-1C Operation manual
4
M
AINTENANCE
How to clean the air filter
Clean the air filter when the display shows " " (TIME TO CLEAN
AIR FILTER).
Increase the frequency of cleaning if the unit is installed in a room
where the air is extremely contaminated.
(As a yardstick for yourself, consider cleaning the filter once half a
year.)
If the dirt becomes impossible to clean, change the air filter. (Air filter
for exchange is optional.)
For FHYC and FCQ-units (See figure 6)
1 Open the suction grille.
Push both knobs simultaneously and carefully lower the grille.
(Identical procedure for closing.)
2 Remove the air filters.
Pull the air filter clips toward you, and detach the filter.
3 Clean the air filter. (Refer to figure 3 air flow direction over
filter.)
Use vacuum cleaner or wash the air filter with water.
When the air filter is very dirty, use soft brush and neutral
detergent.
4 Remove water and dry in the shade.
5 Fix the air filter.
Attach the air filter to the suction grille by hanging it to the
projected portion above the suction grille.
Press the bottom of the air filter against the projections on the
bottom of the grille to snap the air filter into its place.
6 Shut the air inlet grille.
Refer to item 1 "Open the suction grille." on page 4 .
7 After turning on the power, press the FILTER SIGN RESET
button.
The "TIME TO CLEAN AIR FILTER" display vanishes.
For FHYB and FBQ-units (See figure 7)
1 Open the suction grille. (Only for bottom suction.)
Slide both knobs simultaneously as shown and then pull them
downward.
If chains are present, unhook the chains.
2 Remove the air filters.
Remove the air filters by pulling its cloth upward (rear suction) or
backward (bottom suction).
3 Clean the air filter. (Refer to figure 3 air flow direction over
filter.)
Use vacuum cleaner or wash the air filter with water.
When the air filter is very dirty, use soft brush and neutral
detergent.
Remove water and dry in the shade.
4 Fix the air filter.
Align the two hanger brackets and push the two clips in their
place (pull the cloth if necessary, rear, bottom suction).
Confirm that the four hangers are fixed.
5 Shut the air inlet grille. (Only for bottom suction.)
6 After turning on the power, press FILTER SIGN RESET button.
The "TIME TO CLEAN AIR FILTER" display is turned off.
For FDY and FDQ-units (See figure 5)
1 Remove the screws from the bottom of the filter frame and
remove the filter frame downwards.
2 Clean the air filter. (Refer to figure 3 air flow direction over
filter.)
Use compressed air for blowing dust particles of the filter. When
the air filter is very dirty, use soft brush and neutral detergent or
wash with hot (30-40°C) water if needed. Do not rub or wring.
3 Remove water and dry in the shade.
4 Fix the air filter. Put the air filter frame back in its position and fix
firmly with the screws.
Caution
■
Only a qualified service person is allowed to perform
maintenance.
■
Before obtaining access to terminal devices, all power
supply circuits must be interrupted.
■
Do not use water or air of 50°C or higher for cleaning
air filters and outside panels.
■
When cleaning the heat exchanger, be sure to remove
the switchbox, fan motor, auxiliary electric heater and
drain pump. Water or detergent may deteriorate the
insulation of electronic components and result in burn-
out of these components.
Caution for drain socket
Do not remove the drain pipe plug. Water might leak out.
The drain outlet is only used to discharge water if the drain
pump is not used or before maintenance. Gently put in and
out the drain plug. Excessive force may deform the drain
socket of the drain pan.
■
Pulling out the plug
Do not wiggle the plug up and down
■
Pushing in the plug
Set the plug and push it by using a Philips screwdriver
1
1 Drain plug
1
2
1 Drain plug
2 Philips screwdriver