Main Control Chart; Operating Principle, Parameters And Testing Method Of Sensors; Maker Testing) - Haier HRF520BW Manual

SERVICE MANUAL

6-2. Main control Chart

Main control Chart does not need to be processed .

6.3 Operating principle, parameters and testing method of sensors

(forced start, forced defrosting)
6-3-1 Refrigerator control overview
(1) Control of refrigerator compartment: when the temperature of refrigerator sensor is no less
than that at the startup point, the refrigerator starts up (the refrigerator damper opens); when it is
no greater than that at the refrigerator shutdown point, the refrigerator stops (the refrigerator
damper closes).
(2) Control of freezer compartment: when the temperature of freezer sensor is no less than that at
the startup point, the freezer starts up; when it is no greater than that at the freezer shutdown
point, the freezer stops.
(3) Control of my zone temperature compartment: when the temperature of my zone
temperature sensor is no less than that at the startup point, the my zone temperature starts up
(the my zone temperature damper opens); when it is no greater than that at the my zone
temperature shutdown point, my zone temperature stops (the my zone temperature damper
closes)
(4) Quick-freeze control: the fan runs when the refrigerator enters into the quick-freeze function of
the freezer compartment. the quick-freeze mode will switch off 56 hours after the freezer
compartment has been set at quick-freeze function.
(5) Quick-cooling control: In the quick-cooling status, PC is controlled according to the stop or
work at 3 degree /0 degree.。
(6) Function of my zone temperature compartment: my zone has "Beverage Cooling" — "Meat
Poultry" —"Seafood" three options。
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