Hitachi RCUE40AG2 Service Manual page 76

Control System
pag. 74
SMGB0003 rev.0-01/2007
Confi rmation of defrost fi nish
conditions
Is fan running?
No
Fan 6Hz order output
High pressure ≥2.6MPa ?
No
No
10min since 6Hz order
output?
Yes
Start running with Max
frequency
High pressure ≤1.5MPa ?
No
No
10min since running with
Max frequency?
Yes
Changeover of 4 way
valve
30 sec count
(Staring unload continued)
Release of defrost control
Yes
Yes
Yes