Daikin Aurora Series, Service Manual

Page: 80 / 333

Outline of Control (Indoor Unit) SiUS341802E
67 Functions and Control
9. Outline of Control (Indoor Unit)
9.1 Operation Flowchart
Is
test run in
progress?
Is freeze-
up prevention operation in
progress?
Is
Restart prevention
operation in progress?
(5 min.)
Dew
prevention condition?
Is the
safety device
activated?
Start
Heating Operation Fan Operation Cooling Operation
Cooling Operation
Detect louver lock
( )
Run or Stop?
RUN indicating lamp: OFF
RUN indicating lamp: Blink
Error code: Displayed
RUN indicating lamp: OFF
Error mode display: Reset
Thermostat status
Swing flap
Swing flap Set wind direction
Program dry display: Reset
Program dry operation
A
A
A
Stop
Run
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
ON
OFF
No
No
No
∗
1
Fan
Temp. control
Heating
Cooling
∗
2 Fan : Stop
Louver : Stop
∗
3
∗
16
∗
6
∗
16
∗
5
∗
4
(Option)
(Option)
(Option)
(Option)
(Option)
(Option)
OFF
ON
MF
: OFF
MP
Drain pump kit
MP
Drain pump kit
MP
Drain pump kit
:ON MP
Drain pump kit
: ON MP
: Closed YE
Electronic expansion valve
: Capacity control
Electronic expansion valve
: Closed YE
MA
: OFF EH
: OFF
EH
Humidifier : OFF
Hu
Humidifier : OFF Hu
YE
OFF
ON
a b
Set temperature
The previous settings of airflow
rate, wind direction, and
temperature are displayed.
Is the RUN
indicating lamp
blinking?
Press the RESET
RUN/STOP push
button.
Electronic
expansion valve
Thermostat-ON-
operation signal to
outdoor unit: Output
Thermostat-ON-
operation signal to
outdoor unit: Output
∗
1. If any error occurs, the relevant error code will be displayed according to the error code display of the
remote controller.
∗
2. When the aux. electric heater turns ON, the fan will stop after it conducts residual operation.
∗
3. When the drain pump kit turns ON, the drain pump kit will stop after it conducts residual operation for a period of 5 min.
∗
4. If the evaporator inlet temperature is kept at not more than –5
°
C (23˚F) for a period of cumulative 10 min. or not more than –1
°
C (30.2˚F) for a cumulative
period of 40 min., freeze-up prevention operation will be conducted. If the evaporator inlet temperature is kept at not less than 7
°
C (44.6˚F) for a consecutive period of 10
min., the freeze-up prevention operation will be reset.
∗
5. Thermostat status
∗
6. The FXFQ series have the drain pump as standard equipment.
RUN indicating lamp: ON
Airflow rate display: Displayed
Wind direction display: Displayed
Temp. setting display: Displayed
Turn ON
power supply
Initialize electronic
expansion valve
LED in remote
controller turns ON
Cyclic operation with
RUN/STOP push button
Fan or Temp.
control?
Cooling or
Heating?
Drain
pump kit
Aux. electric
heater
Aux. electric
heater
Dew prevention position
Cassette type: P1
Ceiling suspended type: P0
Program dry
ON/OFF
Fan:
Operating with set airflow rate
: OFF after 5-min.
residual operation
: OFF after 5-min.
residual operation
a = b = 1˚C (1.8˚F) or 0.5˚C (0.9˚F)
The values a and b depend on the field setting 12(22)-2.
Yes
MF
YE