Confi Rmation Of Activation Value Of Protection Device An Automatic Operation Device - Hitachi RCUE40AG2 Service Manual

Troubleshooting
5.1.3. Confi rmation of activation value of protection device an Automatic operation device
Protection device

Activation value of protection device is as follows:
Cooling
Heating
Excess current in relay
for compressor
Prevention control for freezing
Prevention control for suction gas decrease
Internal Thermostat for Compressor
Prevention control for overheating of discharge gas
Fusible plug
Safety valve
Fuse for operation circuit

NOTE:
Safety valve is installed in all models
pag. 96
Name
High pressure block device
Prevention control for low pressure decrease
Low pressure block device
High pressure block device
Prevention control for low pressure decrease
40 HP
50 HP
60 HP
70 HP
80 HP
SMGB0003 rev.0 - 01/2007
Activation value
2.74 MPa (re-start manually)
0.314 MPa (Electron control)
0.049 MPa (Electron control)
2.74 MPa (re-start manually)
0.049 MPa (Electron control)
55 A
60 A
70 A
85 A
90 A
2°C (Electron control)
-2°C
115°C
140°C
72°C
3.0 MPa
10, 5, 3A