Testing Operations - Samsung AC HCADKH Series Installation Manual

Testing operations
1 . Check the power supply between the outdoor unit and the auxiliary circuit breaker.
f 1 phase power supply : L, N X
f 3 phases power supply : R,S,T,N X
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 .
f Press K1 button  Start Heating test mode  Press K1 button  Stop  Heating test mode 7-seg display : X
f Press K2 button  Start Cooling test mode  Press K2 button  Stop  Cooling test mode 7-seg display : X
f Press K1 button twice  Start Defrost test mode  Press K1 button  Stop  Defrost test mode 7-seg display :
X
f Press K2 button twice  Start Inverter Checker mode  Press K2 button  Stop 
X
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
4. After 12 minutes of stationary condition check each indoor unit air treatment :
f Cooling mode(indoor unit check)  Inlet air temp . - Outlet air temp . : From 10 °C to 12 °C X
f Heating mode(indoor unit check)  Outlet air temp . - Inlet air temp . : From 11 °C to 14 °C X
f In heating mode, the indoor fan motor can remain off to avoid cold air blown into conditioned space . X
5 . How to reset the power supply of the outdoor unit and deactivate the eco mode (standby mode) :
f Outdoor unit type A, B, and C : X
Press [K3] button over 1 sec to reset the power supply of the outdoor unit and deactivate the eco mode . (standby mode)
CAC_Global Duct Latin America_IM_EN_04680A-02.indd 27
Outdoor unit
ON ON
1 2 3 4 1 2 3 4
ENGLISH-27
2014-09-04 오전 9:17:32