Daikin BA-Series, Руководство по обслуживанию, Страница: 54 / 137

Control Specification SiBE05-722ED
43 Function and Control
3.3.3 Four Way Valve Operation Compensation
Outline At the beginning of operation as the four way valve is switched, the pressure difference to
activate the four way valve is acquired when the output frequency is higher than a certain fixed
frequency, for a certain fixed time.
Detail Starting Conditions
1. When the compressor starts and the four way valve switches from OFF to ON
2. When the four way valve switches from ON to OFF during operation
3. When the compressor starts after resetting
4. When the compressor starts after the fault of four way valve switching
The lower limit of frequency keeps
A Hz for B seconds with any conditions 1 through 4 above.
3.3.4 3-minute Standby
Turning on the compressor is prohibited for 3 minutes after turning it off.
(The function is not activated when defrosting.)
3.3.5 Compressor Protection Function
When turning the compressor from OFF to ON, the upper limit of frequency is set as follows.
(The function is not activated when defrosting.)
Cooling Heating
A (Hz) 68 66
B (seconds) 45
A (Hz) 48
B (Hz) 64
C (Hz) 88
D (seconds) 240
E (seconds) 360
F (seconds) 180
(sec.)
Time
(R13528)
(Hz)
Frequency
C
B
D E F
A