LG ARUB115BT2 Installation Manual - Page 71

Refrigerant Checking Function

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ENGLISH Test Run 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. Start Main PCB SW01S Main PCB SW01B SW02B Main PCB SW01V Main PCB SW01V Wait for 3 min. after power reset Set the Dip S/W. Refrigerant Checking : 1,2,7,14 ON Press the black button on main PCB. ( Press until '608' is displayed ) Press the black button on main PCB IDU runs with cooling mode in order. 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. Judging Refrigerant Amount Excess of Refrigerant Scarcity of Refrigerant IDU, ODU are turned off Impossible To Judge Note Main PCB Press the black button on main PCB SW01V Press the black button for 2 sec. after turning off all of dip S/W. Completed Note 1) Installation Manual 71

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Installation Manual
71
ENGLISH
Test Run
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.
Refrigerant Checking Function
Wait for 3 min. after power reset
Start
Main
PCB
SW01S
Set the Dip S/W.
Refrigerant Checking : 1,2,7,14 ON
Main
PCB
SW01B
SW02B
Press the black button on main PCB
Press the black button for 2 sec. after
turning off all of dip S/W.
Completed
Press the black button on main PCB.
( Press until
‘
608
’
is displayed )
Main
PCB
SW01V
IDU runs with cooling mode in order.
Main
PCB
SW01V
Press the black button on main PCB
Main
PCB
SW01V
Note 1)
IDU, ODU are turned off
Note
Judging
Refrigerant
Amount
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.
Excess of
Refrigerant
Scarcity of
Refrigerant
Impossible
To Judge