Samsung AC024JXADCHA, Installation Manual

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