Furuno FAR-2137S - Checking of Thermal Relay Setting

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