Eev Control - LG AH-W096A0 Service Manual

Control logic

8. EEV Control

8.1 Control of EEV opening
1. EEV openings have a controllable ranges 70 (option) to 460 (option) pulse in both condition of cooling and heating.
2. Products do not be operated before initializing of EEV when starting.
3. Time constant control period of EEV is every 2 minutes except below conditions.
- Control EEV every 1 minutes for 10 minutes after starting.
- Control EEV every 1 minutes for 10 minutes after starting in case of the special situation such as defrost completion,
oil supplying, current transformer limitation, limitation of discharge temperature, low ambient operation control.
Power input
(Reset)
460
Close
0
-200
Initializin
90sec
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Only for training and service purposes
Comp
On
Open
Starting
control
- 39 -
Comp
Off
Heating:
240
Cooling:
Time constant
control
Comp
On
160
Off
LGE Internal Use Only