Vivax ACP-09CH25GEI, Service Manual

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Stop
Dehumidifying
Original operating status
Compressor
Outdoor fan
Indoor fan
Compressor
Outdoor fan
Indoor fan
T
preset
T
preset
T
amb
low spee
d
Run
Run
Stop
6.1.2.2.2 Protection
Protection is the sme as that under cooling mode.
6.1.2.3 Heating Mode
6.1.2.3.1 Working Conditions and Process of Heating
When T
amb.
” T
preset
+2 , the unit will run under heating mode, in which case the reversal valve, compressor and ć
outdoor fan will be simultaneously started, and the indoor fan will be started after
2
minutes the latest.
When T
preset
+2 <T
ć
amb.
< T
preset
+ 5 , the unit will maintain its original operating status.
ć
blow for 60sec at the original speed and then stop.
When T
amb
T
preset
+5 , the compressor will stop, the outdoor fan will delay 30 seconds to stop, and the indoor fan will
Under this mode, the temperature setting range is 16~30 .
The air conditioner will adjust the running frequency of the compressor automatically according to the change
of ambient temperature.
When the unit is turned off in HEAT mode, or switched to other mode from HEAT mode, the four-way valve
will be powered off 2min later after the compressor stops.
Reversal valve
Start heating
Stop heating
Original operating status
T
amb
T
preset
T
preset
Stop
3min.
2min.
2min.
6.1.2.3.2 The condition and process of defrosting
When frost is detected in the condenser, the system will enter into defrosting state. In which case the compressor
and indoor fan will stop, the outdoor fan will delay 30s to stop and then the four-way valve will stop 30s later. The
compressor will start again after 15s. After running for 7mins, the compressor will stop and then after 30s the four
fan will delay 2 minutes(max) to run and the temperature on the display panel shows H1.
-way valve will open and after another 60 seconds, the compressor and outdoor fan will resume running. The indoor
Under heating mode,when the compressor is stopped by malfunction, the indoor fan will blow at low fan speed for
60s and then stop.
6.1.2.3.3 Protection
‹ Over current Protection
If total current is high, the compressor will run in limited or dropped frequency. When total current goes on rising over the
specified value, the compressor will stop, the outdoor fan will delay 30 seconds to stop.
6.1.2.4 FAN mode
In this mode, the indoor fan will run the fan in High, Med, Low and Auto mode. The compressor, outdoor fan and four-way
valve will stop.
In this mode, the temperature setting range is 16~30 .
The unit will adjust the running frequency of the compressor automatically according to the change of ambient temperature.