Reversing Valve Defrosting - Hitachi RAC-25WPB Service Manual

RAK/C-35P/WPB

Reversing valve defrosting

Over defrosting inhibit period
Fan speed
set to "Hi"
Start/Stop button
Defrost signal
Preheating released
Preheating judgment
Hi
Med
Indoor fan
Lo
Ultra-Lo
Hi or Lo
Outdoor fan
Operation lamp
Reversing valve(cooling
"on" mode)
(冷房通電）
Reverse cycle period
Deceleration
period
20' MAX.
15' or more
Auto fresh defrosting
Stop
Preheating released
Preheating
Hi or Lo
Reverse cycle period
3' MAX.
20' MAX.
RAK/C-18P/WPB
RAK/C-25P/WPB
RAK/C-50P/WPB
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）
Deceleration
period
66
15' or more
Auto fresh defrosting
Stop
Preheating released
Preheating
Hi or Lo
Reverse cycle period
20' MAX. 3' MAX.
Reverse cycle period
20' MAX.