Hitachi UTOPIA IVX STANDARD Series - Main Safety Device; Compressor Protection; Fan Motor Protection

12 MAIN SAFETY DEVICE
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Compressor Protection
High Pressure Switch:
This switch cuts out the operation of the compressor when the discharge pressure exceeds the setting.

Fan Motor Protection
When the thermistor temperature is reached to the setting, motor output is decreased.
The other way, when the temperature becomes lower, limitation is cancelled.
Model RAS-(4-6)HVNC1E RAS-(4-6)HNC1E
For Compressor
Pressure Switches - Automatic Reset, Non-Adjustable (each one for each compressor)
High Cur Out MPa 4.15
Cut-In MPa 3.20
Low Cut-Out MPa 0.30
for control Cut-In MPa 0.20
Fuse -
1~ 230V 50Hz
A
50
(RAS-4HVNC1E = 40)
--
3N~ 400V 50Hz
A -- 2 X 20
CCP Timer - Non-Adjustable
Setting Time min. 3
For Condenser Fan Motor
- Automatic Reset, Non-Adjustable (each one for each motor)
Internal Thermostat
For Control Circuit
A 5
Fuse on PCB
MAIN SAFETY DEVICE
PMML0395B rev.0 - 11/2015
20