Furuno FAR-2107 Series Service Manual page 336

4.15 Checking of Thermal Relay Setting
4.15.1 PSU-007
In the FAR-2137S and 2837S, power is supplied to the antenna AC motor of the gearbox via
PSU-007. The threshold current of the thermal relay of PSU-007 is set according to the type
of the scanner unit.
RPU-013
TB1
J604
+12V
Motor ON
3 IN
Ship's Main
Back of PSU-007:
Check-marked on relevant unit
Model name of PSU-007
PSU-007-70-23-S
PSU-007-80-10-S
PSU-007-72-28-50/60-S
PSU-007-72-28-50/60-S
PSU-007-82-12-60-S
Note: Figures at the end of the model name of the thermal realy represent the minimum
current.
SCANNER UNIT
PSU-007
Relay
Thermar
K2
relay
K1
Fig. 4.15.2 PSU-007
Table 4.15.1 Setting of Thermal Relay of PSU-007
Applicable
AC motor power
gearbox
200 (50 Hz)/220 V (60 Hz) 3
RSB-098
380 (50 Hz)/440 V (60 Hz) 3
RSB-099
220 V (50 Hz) 3
RSB-100
220 V (60 Hz) 3
RSB-101
440 V (60 Hz) 3
RSB-102
4-72
4.15 Checking of Thermal Relay Setting
RU-xxxx See page 1-14.
3 OUT
Fig. 4.15.1 AC Motor Power System Diagram
Thermal relay: Current adjustment position
Crurent
value
φ
φ
φ
φ
φ
Type of thermal
set
relay
2.3 TR-ONH/3 1.7 A
1.0 TR-ONH/3 0.8 A
2.8 TR-ONH/3 2.2 A
2.8 TR-ONH/3 2.2 A
1.2 TR-ONH/3 0.8 A