Testing Operations - Samsung AC024JXADCHA Installation Manual

Testing operations

1 . Check the power supply between the outdoor unit and the auxiliary circuit breaker .
f 1 phase power supply : L1, L2 f
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 : f
f Press K2 button  Start Cooling test mode  Press K2 button  Stop  Cooling test mode 7-seg display : f
f Press K1 button twice  Start Defrost test mode  Press K1 button  Stop  Defrost test mode 7-seg display : f
Condition 1 : The outdoor temperature is under 50 °F
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 50 °F to 53 . 6 °F f
f Heating mode(indoor unit check)  Outlet air temp . - Inlet air temp . : From 51 . 8 °F to 57 . 2 °F f
f In heating mode, the indoor fan motor can remain off to avoid cold air blown into conditioned space . f
5 . How to reset the power supply of the outdoor unit and deactivate the eco mode (standby mode) :
f Press [K3] button over 1 sec to reset the power supply of the outdoor unit and deactivate the eco mode (standby mode) . f
6 . View Mode : When the K4 switch is pressed, you can see information about our system state as below .
Short
Display contents
push
1 Order frequency
2 Current frequency
3 The number of current indoor units
4 The sensor for outdoor air intake
5 Discharge sensor
6 Eva-Mid sensor
7 Cond sensor
8 Current
9 Fan RPM
10 Target discharge temperature
11 EEV
12 The capacity sum of indoor units
4way Outdoor_북미향_IM_EN_05138A-00.indd 27
ON
1 2 3 4
SEG1 SEG2
1 Hundreds' digit Tens' digit
2 Hundreds' digit Tens' digit
3 Hundreds' digit Tens' digit
4 + / -
5 Hundreds' digit Tens' digit
6 + / -
7 + / -
8 Tens' digit
Thousands'
9
digit
A Hundreds' digit Tens' digit
B Hundreds' digit Tens' digit
C Tens' digit
SEG3 SEG4
Unit digit
Unit digit
Unit digit
Tens' digit Unit digit
Unit digit
Tens' digit Unit digit
Tens' digit Unit digit
The first place of
Unit digit
decimals
Hundreds' digit Tens' digit
Unit digit
Unit digit
The first place of
Unit digit
decimals
Unit
Hz
Hz
EA
°C
°C
°C
°C
A
rpm
°C
step
kW
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2014-12-08 오후 3:12:48