Heating - Daikin Skyair FHC35K Service Manual

Si-71A
2.2

Heating

Explanation of Function Operation
Power Switch ON
Initializing of
Electronic Expasion Valve
(See Section 5. 2. 4.)
Start Operation Using
Remote Controller.
Operation Mode Judgment
Cooling/Dry

Heating

Four-Way Valve Control
(See Section 5. 2. 1.)
Is safety device
in normal condition?
YES
Thermostat
ON Judgment
Startup Control
(See Section 5. 2. 16.)
Is discharge
thermistor disconnected?
(See Section
5. 2. 7.)
NO
Is thermistor
in normal condition?
YES
Is discharge pipe
temperature high?
NO
To ∗1
Emergency Operation
(See Section 5. 2. 9.)
NO
Error Indication
Thermostat OFF
Thermostat ON
YES
NO
Simulated Operation
(See Section 5. 2. 10.)
YES
Discharge Pipe High
Temperature Thermostat
OFF Control
(See Section 5. 2. 4.)
To ∗2
Operation Flowchart (RY71 - 140K)
D
A
B
C
Is cumulative
NO
retry total 6?
(See Section
5. 2. 5.)
YES
Thermostat OFF
Shutdown
(See Section
Due to Error
5. 2. 2.)
A
B
(SF029)
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