Safety And Control Device Setting - Hitachi RAS-8FSNM Installation & Maintenance Manual

8.

Safety and Control Device Setting

• Compressor Protection
High Pressure Switch: This switch cuts out the
operation of the compressor when the
discharge pressure exceeds the setting.
Model
For Compressor
Pressure Switch
High Cut-Out
Cut-In
Fuse
3q, 380/415V, 50Hz
3q, 380V, 60Hz
3q, 220V, 60Hz
CCP Timer
Setting Time
For Condenser Fan Motor
Internal Thermostat
DC Cut-Out
AC Cut-Out
Cut-In
For Control Circuit
Fuse Capacity on PCB1, 5
Fuse Capacity on PCB3
RAS-8FSNM(Q)
MPa -0.05
4.15
-0.15
MPa 3.2+0.15
A 40
A 40
A 60
min. 3
120+5
C
o
135+5
C
o
110 60
C
o
~
A 5
A 10
28
• 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.
RAS-10FSNM(Q)
Automatic Reset, Non-Adjustable
-0.05
4.15
-0.15
3.2+0.15
40
40
60
Non-Adjustable
3
Automatic Reset, Non-Adjustable
(each one for each motor)
120+5
135+5
110 60
~
5
10
RAS-12FSNM(Q)
-0.05
4.15
-0.15
3.2+0.15
40
40
60
3
120+5
135+5
110 60
~
5
10