Refrigerant Checking Function - LG ARUB076BT2 Installation Manual

Refrigerant Checking Function

1. This function charges appropriate amount of refrigerant automatically through cycle operation.
2. This function judges refrigerant leakage and overcharging.
3. It can be used with refrigerant auto charging function.
Main
PCB
Wait for 3 min. after power reset
SW01S
Main
PCB
Set the Dip S/W.
SW01B
Refrigerant Checking : 1,2,7,14 ON
SW02B
Main
Press the black button on main PCB.
PCB
( Press until '608' is displayed )
SW01V
Main
Press the black button on main PCB
PCB
SW01V
IDU runs with cooling mode in order.
Refrigerant
Excess of
Refrigerant
IDU, ODU are turned off
Main
Press the black button on main PCB
PCB
SW01V
Press the black button for 2 sec. after
turning off all of dip S/W.
Start
Judging
Amount
Scarcity of Impossible
Refrigerant To Judge
Completed
Note
1. In case air temperature is out of guaranteed
temperature, refrigerant checking function may end
without performing refrigerant checking. Use
guaranteed temperature range only.
2. During the process of judging refrigerant amount, if
the cycle isn't stable, refrigerant checking function
may end without performing refrigerant checking.
Note 1)
Note
Test Run
Installation Manual 71