Safety Protection And Control - Hitachi RCI-1.0FSN3 Service Manual

5 Control system

5.2 Safety protection and control

Compressor protection
The compressor is protected by the following devices:
• High pressure switch: this stops the compressor when the discharge pressure exceeds the set value.
• Oil heater: this prevents oil from being lost during cold starts, as it is enabled while the compressor is at a standstill.
Fan motor protection: internal thermostat located in the fan motor winding. This stops the fan motor when the winding
•
temperature exceeds the set value.
Setting control and safety devices for indoor units
Model
Switch
For the evaporator
off
fan motor: internal
Switch
thermostat
on
For the control circuit:
-
fuse capacity
For the evaporator
fan motor: internal
thermostat
For the control
circuit: fuse capacity
201
SMGB0077 rev.0 - 01/2013
RCI-(1.0-3.0)FSN3
ºC 100±4
ºC 90±4
A 5
Model RPC
Switch
ºC 135±5
off
Switch
ºC 90±15
on
- A 5
RCI-(4.0-6.0)FSN3 RCI-FSN3Ei
100 / 145±5
+15
-10
100 / 90±15
+15
-10
5 5
RPI(M) RPK
- 130±5
- 83±15
6,3 5
RCIM-FSN2 RCD
145±5 130±5
90±15 83±15
5 5
RPF(I)
130±5
93±15
5
5