LG Electronics GR-P227/L227 Load/dispenser operation, door opening circuit, Load Driving Circuit

Models: GR-P257/L257 GR-P227/L227

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1-4. Load/dispenser operation, door opening circuit

EXPLATION FOR MICOM CIRCUIT

1-4. Load/dispenser operation, door opening circuit

1. LOAD DRIVING CIRCUIT

The fan operates at the regular speed even if the door of the refrigerator or freezer is opened. When the doors are closed, the fan reverts to its original speed.

(A), (B), (C), and (D) of door switch for the freezer or refrigerator are connected to the door open sensing circuit in parallel toward both ends of switch to determine door open at MICOM.

In the TEST mode, the fan will stop if any door is opened. It will resume operation when the door is closed.

Type of Load

Compressor

Defrost

AC Converting

Refrigerator

Dispenser

Heater

Relay

LAMP

Heater

 

 

 

 

 

 

 

 

 

Measuring part (IC6)

IC6-16

IC6-13

IC6-12

IC6-15

IC6-14

 

 

 

 

 

 

 

Status

ON

 

 

Within 1 V

 

 

 

 

 

 

 

 

OFF

 

 

12 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)GR-P227/L227/P257/L257

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LG Electronics GR-P227/L227, GR-P257/L257 Load/dispenser operation, door opening circuit, Explation For Micom Circuit