36
The auto fan acts as below rules:
a
b
c
d
T 1 - T S
e
10.4.2.4 Condenser temperature protection
For 9k,12k models,
T 3
R e s u m e
O f f
D e c r e a s e
H o ld
I n c r e a s e
For 18k, 24k models,
T 3
R e s u m e
O f f
D e c r e a s e
H o ld
When condenser temperature is more than
setting value, the compressor will stop.
10.4.2.5 Evaporator temperature protection
When Evaporator temperature is less than
setting value, the compressor will stop.
10.4.3 Heating Mode
10.4.3.1 Compressor running rules
When T1-Ts>
ΔT, the compressor will stop,
when T1-T
S
<ΔT-1
，
the compressor will be on.
ΔT is the programmed parameter of
temperature compensation.
When the AC run in mute mode, the
compressor will run with low frequency.
When the current is more than setting value,
the current protection function will be activated
and the compressor will stop.
10.4.3.2 Outdoor fan running rules
The outdoor unit will be run at different fan
speed according to T4.
For different outdoor units, the fan speeds are
different.
For 9k,12k models,
The fan speed is controlled by T4 and
compressor frequency.
D
C
B
T 4 & f r e q u e n c y
& f
A +
A
For 18k,24k models,
,
T 4
E
D
C
B
A
A +
10.4.3.3 Indoor fan running rules
Summary of Contents for P9VI32-09WF
Page 12: ...10...
Page 13: ...11...
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Page 31: ...29 8 Wiring Diagram 8 1 Indoor Unit P9VI32 09WF P9VI32 12WF P9VI32 18WF P9VI32 24WF...
Page 32: ...30 8 2 Outdoor Unit P9VO32 09 P9VO32 12...
Page 33: ...31 P9VO32 18 P9VO32 24...
Page 44: ...42 Reserve 5 25...
