Samsung AVMKH020EA0 Service Manual page 57

4
Installation
4-2-2. The function of key on the outdoor unit PCB
I A, C, D type outdoor unit
◗ Display part
◗ Key function
Function
Enter times
1 time
• Refrigerant collection operation
• Refrigerant supplement operation
• Cooling test operation
I B, E type outdoor unit
◗ Display part
b c e d
G2 G2
g a f G1 g
SEG1 SEG2 SEG3
◗ Key function
Function
Enter times
1 time
2 time
3 time
4 time
K1
Refrigerant collection
Refrigerant supplement
( )
Pump down
( ) : Collects refrigerant into the outdoor unit when outdoor unit is moved or repaired.
: Injects refrigerant into the outdoor unit when outdoor unit is installed.
( )
: Is for test operation after products installation.
( )
b c e d
a f G1
SEG4
K1
(SEG 3, 4 display) (SEG 3, 4 display)
Heating refrigerant Cooling refrigerant
supplement( ) supplement(
Heating test
operation( ) operation(
Refrigerant collection
Completion
-
◗ Key
K1
K2
K3
K4
K2 K3
Reset
( )
◗ Key
K1 K2
Check Mode
K2 K3
(SEG 3, 4 display)
Reset
)
Cooling test
-
)
( ) -
Pump down
Completion -
- 56 -
K4
Cooling test operation
( )
K3 K4
Reset View Mode
K4
(SEG 3, 4 display)
Data display
-
-
-