Other Functions - Daikin F-Series Service Manual

SiEN12-710A

1.12 Other Functions

1.12.1 Hot-Start Function
Heat Pump Only
In order to prevent the cold air blast that normally comes when heating is started, the
temperature of the heat exchanger of the indoor unit is detected, and either the air flow is
stopped or is made very weak thereby carrying out comfortable heating of the room.
*The cold air blast is also prevented using a similar control when the defrosting operation is
started or when the thermostat gets turned ON.
1.12.2 Signal Receiving Sign
When the indoor unit receives a signal from the remote control, the unit emits a signal receiving
sound.
1.12.3 ON/OFF Button on Indoor Unit
An ON/OFF button is provided on the front panel of the unit. Use this button when the remote
control is missing or if its battery has run out.
Every press of the button switches from ON to OFF or from OFF to ON.
For FTKS25/35D, FTXS25/35E
" Push this button once to start operation. Push once again to stop it.
" This button is useful when the remote control is missing.
" The operation mode refers to the following table.
" In the case of multi system operation, there are times when the unit does not activate with
<Forced operation mode>
Forced operation mode will be set by pressing the ON/OFF button for between 5 to 9 sec. while
the unit is not operating.
Note: When the ON/OFF button is pressed for 10 sec. or more, the operation will be stopped.
See page 57 for the detail of "Forced Operation Mode".
1.12.4 Titanium Apatite Photocatalytic Air-Purifying Filter
For FTKS25/35D, FTXS25/35E
This filter combines the Air Purifying Filter and Titanium Apatite Photocatalytic Deodorizing
Filter in a single highly effective unit. The filter traps microscopic particles, decompose odours
and even deactivates bacteria and viruses. It lasts for three years without replacement if
washed about once every six months.
1.12.5 Mold Proof Air Filter (Prefilter)
For all indoor units
The filter net is treated with mold resisting agent TBZ (harmless, colorless, and odorless). Due
to this treatment, the amount of mold growth is much smaller than that of normal filters.
Function and Control
Cooling Only
Heat Pump
this button.
ON/OFF
Mode Temperature setting
COOL
AUTO
ON/OFF button
(R4269)
22°C
25°C
Main Functions
Air flow rate
AUTO
AUTO
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