ENGLISH-27
03
O
THERS
Testing operations
1 .
Check the power supply between the outdoor unit and the auxiliary circuit breaker.
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1 phase power supply : L, N
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3 phases power supply : R,S,T,N
2 .
Check the indoor unit.
1) Check that you have connected the power and communication cables correctly . (If the power cable and
communication cables one mixed up or connected incorrectly, the PCB will be damaged .)
2) Check the thermistor sensor, drain pump/hose, and display are connected correctly .
3 .
Press K1 or K2 on the outdoor unit PCB to run the test mode and stop
.
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Press K1 button
Start Heating test mode
Press K1 button
Stop
Heating test mode 7-seg display :
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Press K2 button
Start Cooling test mode
Press K2 button
Stop
Cooling test mode 7-seg display :
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Press K1 button twice
Start Defrost test mode
Press K1 button
Stop
Defrost test mode 7-seg display :
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Press K2 button twice
Start Inverter Checker mode
Press K2 button
Stop
Inverter Checker mode 7-seg display :
Condition 1 : The outdoor temperature is under 10 °C
Condition 2 : All the temperature conditions should meet the defrost conditions
Outdoor unit
ON
1 2 3 4
ON
1 2 3 4
4. After 12 minutes of stationary condition check each indoor unit air treatment :
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Cooling mode(indoor unit check)
Inlet air temp . - Outlet air temp . : From 10 °C to 12 °C
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Heating mode(indoor unit check)
Outlet air temp . - Inlet air temp . : From 11 °C to 14 °C
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In heating mode, the indoor fan motor can remain off to avoid cold air blown into conditioned space .
5 .
How to reset the power supply of the outdoor unit and deactivate the eco mode (standby mode) :
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Outdoor unit type A, B, and C :
Press [K3] button over 1 sec to reset the power supply of the outdoor unit and deactivate the eco mode . (standby mode)
OTHERS
CAC_Global Duct Latin America_IM_EN_04680A-02.indd 27
2014-09-04 오전 9:17:32
