Compressor Protection Function - Daikin FLKS25BAVMB Service Manual

SiBE05-722EE
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.
A (Hz)
B (seconds)
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.)
A (Hz)
B (Hz)
C (Hz)
D (seconds)
E (seconds)
F (seconds)
Functions and Control
Cooling Heating
68 66
45
(Hz)
Frequency
C
B
A
D
RK(X)S25/35E2V1B
RK(X)S25/35G2V1B
RK(X)S25/35G2V1B9
RXS25/35J2V1B
RXS25K3V1B
RXS35K2V1B
RXS25/35L2V1B
48
64
88
240
360
180
E F
RXS25/35L3V1B
40
54
72
180
420
180
Control Specification
(sec.)
Time
(R13528)
45