Coil Dry And Clean Opeartion Control (For As Type); Air Clean Operation - Fujitsu ASU18RMLQ Service Instruction

19. COIL DRY AND CLEAN OPERATION CONTROL (For AS type)
The coil-dry and clean operation functions by pressing COIL DRY button on the remote controller.
The coil-dry operation is consisted of 3 cycles of [Fan operation 3 minutes / Heating operation
2 minutes], and Fan operates for 3 minutes at last before ending the air conditioner operation.
(It takes 18 minutes to complete the coil-dry operation.)
It continues from coil-dry operation, it turns on electricity to Air clean unit, sterilization is
performed for 15 minutes.
Indoor unit fan motor operation under coil-clean operation : The cycle of 480rpm Fixation
5 sec ON / 1 min OFF is repeated.
(It takes 33 minutes to complete the air cleaning operation.)
(Table 9: COIL-DRY AND CLEAN Operating Functions)
Indoor Fan Speed
coil-dry
ASU9RMLQ
900rpm
ASU12RMLQ
900rpm
ASU18RMLQ 900rpm
MW09/ 12/ 18Y3FM model (For Friedrich) is only COIL-DRY OPERATION.
20. AIR CLEAN OPERATION (Only for ASU9/ 12/18RMLQ)
The air clean operation switches ON and OFF as follows
every time it receives AIR CLEAN signal from remote controller.
Status before receiving Air Clean signal
Operation stops
In operation
(Air Clean operation is OFF.)
In operation
(Air Clean operation is ON.)
When Air Clean operation is ON, Indoor fan speed becomes at [S-Lo](480rpm),
and not at 0rpm even if the indoor fan is in stop condition.
Air Clean operation becomes OFF during the defrost operation.
Louver
Position
coil-clean
480rpm
Operating COIL DRY : ON
480rpm
Other indication : OFF
480rpm
Status upon receiving Air Clean signal
Operation keeps stopping
It continues to operate
(Air Clean operation becomes ON.)
It continues to operate
(Air Clean operation becomes OFF.)
01-18
Main Unit
Indication