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Airwell GC 9 DCI User Manual

Airwell GC 9 DCI
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11-5
CONTROL SYSTEM
SM PNXADCI 1-A.1 GB
11.4.2 Indoor Fan Control in Heat Mode
Indoor fan speed depends on the indoor coil temperature:
11.5 Auto Cool/Heat Mode
When in auto cool heat mode unit will automatically select between cool and heat mode according
to the difference between actual room temperature and user set point temperature )¨T(.
Unit will switch from cool to heat when compressor is off for 3 minutes, and ¨T < -3.
Unit will switch from heat to cool when compressor is off for 5 minutes, and ¨T < -3.
11.6 Dry Mode
As long as room temperature is higher then the set point, indoor fan will work in low speed and
compressor will work between 0 and MaxNLOADIF1C Hz.
When the room temperature is lower than the set point, compressor will be switched OFF and
indoor fan will cycle 3 minutes OFF, 1 minute ON.
11.7 Protections
There are 5 protection codes.
Normal (Norm) unit operate normally.
Stop Rise (SR) compressor frequency can not be raised but does not have to be decreased.
HzDown1 (D1) Compressor frequency is reduced by 2 to 5 Hz per minute.
HzDown2 (D2) Compressor frequency is reduced by 5 to 10 Hz per minute.
Stop Compressor (SC) Compressor is stopped.
11.7.1 Indoor Coil Defrost Protection
ICT TrendICT
ICT<-2SCSCSCSCSC
Fast
Increasing
Increasing No change Decreasing Fast
Decreasing
-2 ICT < 0 D1 D1 D2 D2 D2
0 ICT < 2 SR SR D1 D2 D2
2 ICT < 4 SR SR SR D1 D2
4 ICT < 6 Norm Norm SR SR D1
6 ICT < 8 Norm Norm Norm SR SR
8 ICT Normal
ICTST
TTCILVTCI ICTHICTL

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Airwell GC 9 DCI Specifications

General IconGeneral
BrandAirwell
ModelGC 9 DCI
CategoryAir Conditioner
LanguageEnglish

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