Thermo Intermittence; Sleep Timer; Reversing Valve Defrost - Hitachi RAF-25NH4 Service Manual

● Thermo intermittence
ain Power
Remote control l e r operati o n
Operating condition Stop
Operation lamp
Upper fan 10sec.
Lower fan
Compressor
Limit SW
Close
(Limit SW is ON)
Open
(Bottom i m pi n gi n g end)
● Sleep Timer
ain Power
Remote control l e r operati o n
Operating condition Stop
Operation lamp
Upper fan 10sec.
Lower fan
Compressor
Limit SW
Close
(Limit SW is ON)
Open
(Bottom i m pi n gi n g end)
● Reversing valve defrost
ain Power
Remote control l e r operati o n
Operation
Operating condition
Normal operation
Operation lamp
Upper fan
Lower fan
Setting fan speed
Compressor
Limit SW
Close
(Limit SW is ON)
Open
(Bottom i m pi n gi n g end)
Operation starts
Normal operation
Setting fan speed
Setting fan speed
ON
Tightening angle
Overall angle width
Period 1 Period 2 Period 3
Open sequence
Operation starts
Normal operation
Setting fan speed
ON
Tightening angle
Overall angle width
Period 1 Period 2 Period 3
Open sequence
Defrost
Setting fan speed
Reduced speed period
Overall angle width
+
Tightening angle
Thermo OFF
Lo Ul t ra-Lo
Overall angle width
+
Tightening angle

Sleep timer

Sleep timer opereation
Setting fan speed
Overall angle width
+
Tightening angle
Reverse circuit Balance
ON
Ð 178 Ð
Thermo ON
Normal operation
Setting fan speed
10sec.
Setting fan speed
ON
Period 1 Period 2 Period 3
Open sequence
Operation stop (Time up)
ON
Preheating
Normal operation
Setting fan speed
Setting fan speed
Period 1 Period 2 Period 3
Open sequence
Stop
Overall angle
width