Hitachi RAS-8.0HNBRMQ1 - 8 Safety and Control Device Setting

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8. Safety and Control Device Setting
The compressor is protected by the following devices and their combinations:
(1) High Pressure Switch: This switch cuts out the operation of the compressor when the discharge pressure
exceeds the setting.
(2) Crankcase Heater: This band type heater protects against oil foaming during cold starting, as it is energized
while the compressor is stopped.
Model
RAS-3.0~
3.5HNBRKQ1
RAS-4.0~
6.5HNBRKQ1
RAS-7.0~
8.0HNBRMQ1
RAS-10~
12HNBRMQ1
High Pressure Switch
Automatic Reset, Non-Adjustable Automatic Reset, Non-Adjustable
Cut-Out MPa
4.15
-0.05
-0.2
4.15
-0.05
-0.2
4.15
-0.05
-0.2
4.15
-0.05
-0.2
Cut-In MPa
3.2
+0.15
-0.2
3.2
+0.15
-0.2
3.2
+0.15
-0.2
3.2
+0.15
-0.2
Breaker A
32 40 25 40
Crankcase Heater W
24 28 80 80
CCP Timer
Setting Time
Min
Non-Adjustable
3
Non-Adjustable
3
Non-Adjustable
3
Non-Adjustable
3