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9-2 Checking and Testing operations
To complete the installation, perform the following checks and tests to ensure that the air conditioner is operating
correctly.
1. Review all the following elements in the installation:
• Installation site strength
• Piping connection tightness not to leak any gas
• Connection wiring
• Heat-resistant insulation of the piping
• Drainage
• Earthing wire connection
• Setting number of the indoor unit installed (Outdoor unit SW)
• Setting SW02 for addressing mode (AUTO or MANUAL)
• Address number on each indoor unit (Manual addressing mode)
• Correct operation for pipe checking connection (follow the step below)
• If the auto addressing, refer to next page.
• If the manual addressing, please do cool mode try-run or heat mode try-run.(refer to below)
■ Settings of PCB Display of the Outdoor unit
-K1 :pipe checking operation button -K2 :Function button
-K3 :Reset button -K4 :View mode change button
Push
Key
K1
K2 K3 K4
Pipe Checking
Heat Mode Try
1 Operation
run
(Display: )
(Display: )
Reset
View mode
change
2 -
Refrigerant
Charging
(Display: )
Cool Mode Try
3
-
run
(Display: )
4 -
Pump down
(Display: )
K 1
K 2 K 3
DIS01
SW02 SW01
K 4
DIS02
Indoor unit
address
View data display
Switch
Outdoor PCB Display
K4 View mode Display changes
Push Display Explanation Push Display Explanation
00
Present Compressor FrequencyPresent Compressor Frequency
88
Discharge temperatureDischarge temperature
11
TTarget Compressor Frequencyarget Compressor Frequency
99
OLPOLP temperaturetemperature
22
Order Compressor FrequencyOrder Compressor Frequency
1010
Condenser temperatureCondenser temperature
33
EEV0 current stepEEV0 current step
1111
Outdoor temperatureOutdoor temperature
44
EEV1 current stepEEV1 current step
1212
First currentFirst current
55
EEV2 current stepEEV2 current step
1313
TTarget Discharge temperaturearget Discharge temperature
66
EEV3 current stepEEV3 current step
1414
TTotal capacity of the indoor unitsotal capacity of the indoor units
77
Fan RPM (H:high,L:lowFan RPM (H:high,L:low,Blank:of,Blank:off )f )
1515
Safety controlSafety control
• The EEV 2 and EEV 3 of MH050FXCA2A model is always displayed as blank.
Samsung Electronics 9-2