37
NO.
Control Control
Contents Remark
Function Objects
8 Defrost COMP.
mode F-fan
R-fan
Heater
2. Description
1) It enters into the defrost mode at 15 hours unconditionally.
2) It enters into the defrost mode at 6, 9, 12 hours
conditionally.
3) Flow chart of determination defrost mode.
1. Pre-cool step
1) Time : 50 min.
2) COMP. and F-fan are on.
3) R-fan controls normally with temperature 1˚C higher than
the off point which controlles R-fan in normal status.
Start 3 6 9 12 15
(COMP. on accumulation time)
Entering into
defrosting mode
YES
YES
YES
NO
YES
YES
YES
YES
Start
End
TOTAL
Does the time elapse for 3 hours?
NO
COMP
Does the operation time elapse for 15 hours?
NO
NO
COMP
Does the operation time elapse for 60 hours?
YES
COMP
Does the operation time elapse for 6 hours?
NO
Are various errors occurred?
NO
Is RT greater than 35˚C?
NO
Is the COMP operation rate greater than 80%?
NO
Does the DOOR OPEN accumulation
time elapse for 10 minutes?
