Hitachi RAK-25PEB Service Manual page 35

Reversing valve defrosting
Over defrosting inhibit period
Fan speed
Start/Stop button set to "Hi"
Defrost signal
Preheating released
Preheating judgment
Hi
Med
Indoor fan
Lo
Ultra-Lo
Hi or Lo
Outdoor fan
Operation lamp
Reversing valve(heating
"on" mode)
(暖房通電）
Reverse cycle period
Deceleration
period 20' MAX.
15' or more Auto fresh defrosting
Stop
Preheating released
Preheating
Hi or Lo
Reverse cycle period
20' MAX.
3' MAX.
Setting Defrosting Inhibit Period
DFTIM_OT P5
DFTIM_OTP 10
– 1 0
Notes:
(1) The first inhibit time after operation start is set to DFTIM_FST.
(2) From the second time onwards, the inhibit time is set according to the time required for
defrosting.
Reverse cycle operation time
Reverse cycle operation time < [DEFCOL] : The time corresponding to outdoor tempera-
ture is set.
35
DFTIM_OT P0
Outdoor temperature
– 5˚C 0 ˚C
[DEFCOL] : DEFTIM_COL is set.