Hitachi R-Z570ERU9, Service Manual

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3
● Comp.
● Power
supply
● R-Room
Temp.
● F-Room
Temp.
● R-Fan
● Damper
● Evaporator
Temp.
● Defrost
heater
● R-Lamp
-8 ℃
High temp.(-16 ℃ )
Low temp.(-22 ℃ )
On
F-sensor
High temp.(4 ℃ )
Low temp.(2 ℃ )
R-sensor
On
Open
Open
On
● R-Door
(R-Door sw)
8.5 ℃
D-sensor
On
On
～
～
～
～
～
～
～
～
～
Off-time
10min
～
～
t1 t2 t3 t4
Pre-Cool
Off-time
10min
Pre-Cool time ≦ 30min
B asic o pe rat io n (t im e c h ar t) o f 5 0 8 L- 5 5 0 L R EF.
Comp. On-time ：
t1+t2+t3+t4+… ≧ 12h
High
Priority
High
Priority
Condition Comp.
Off-time Off
Defrosting Off
F-sensor ≧ High temp. On
F-sensor ≦ Low temp. Off
Condition Damper
Comp. off Close
R-sensor ≧ High temp. Open
R-sensor ≦ Low temp. Close
Condition R-Fan
R-Door open Off
Comp. on On
Comp. off Off
Off-time
10min
High
Priority
Defrosting
30s 30s
25s
26 ° C
Basic operation (time chart) of 435L ~ 550L REF.