Daikin FTXS09HVJU, Service Manual

Page: 43 / 274

SiUS04-904 Main Functions
Function and Control 33
Ex.) : POWERFUL operation in cooling mode.
1.11 Other Functions
1.11.1 Hot-start Function
In order to prevent the cold air blast that normally comes when heating is started, the temperature
of the heat exchanger in the indoor unit is detected, and either the airflow stops or lowers to ensure
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.
1.11.2 Signal Receiving Sign
When the indoor unit receives a signal from the remote controller, the unit emits a signal receiving
sound.
1.11.3 ON/OFF Button on Indoor Unit
An ON/OFF switch is provided on the front panel of the unit. Use this switch when the remote
controller is missing or if its battery is dead.
Every press of the switch changes from ON to OFF or from OFF to ON

Push this button once to start operation. Push once again to stop it.

This button is useful when the remote controller is missing.

The operation mode refers to the following table.
<Forced operation mode>
Forced operation mode is set by pressing the ON/OFF button for 5 to 9 seconds while the unit is
not operating.
See page 48 for the detail of
Forced Operation Mode
.
Note: When the ON/OFF button is pressed for 10 seconds or more, the operation is stopped.
(R5488)
Target temp.
Fan
90rpm
Set temp.
64˚F
POWERFUL ON
POWERFUL OFF
H tap
Set tap
It should be the lower limit of cooling temperature.
It counts 20 min. also in the remote controller.
Ending condition: "or" in 1 to 3
1. After the lapse of 20 minutes.
2. Stop
3. POWERFUL operation is OFF.
20 min.
ON / OFF button
(R2824)
Mode Temperature setting Airflow rate
Heat Pump AUTO 77ºF AUTO