Furuno FAR-2807 Series - Thermal Relay of RTR-082

4.15 Checking of Thermal Relay Setting
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4.15.2 Thermal Relay of RTR-082
In the FAR-2837SW, power is supplied to the antenna AC motor of the gearbox via
RTR-082. The operating current of the thermal relay of RTR-082 is set according to the type
of the scanner unit.
Table 4.15.2 Setting of Thermal Relay in RTR-082
Gearbox AC motor power
Current
set value
Type of thermal
relay
RSB-104
200 (50 Hz)/220 V (60 Hz) 3
φ
2.3 A TR-ONH/3 1.7 A
RSB-105
380 (50 Hz)/440 V (60 Hz) 3
φ
1.0 A TR-ONH/3 0.8 A
Note: Figures at the end of the model name of the thermal relay represent the minimum
current.
Fig. 4.15.3 RTR-082
Note:
Set INITILAIZE -> 4 -> 6: MODEL to “30DOWN”.
In this setting, ANT ON signals are outputted from the RFC board of RTR-082 and control
the antenna motor power control relay in RTR-082.
Adjuster port of thermal relay current
RFC p.c.b
RPU-013
RL
ANT MOTOR
ANT Power (AC)
ANT ON
RSB-014
RSB-015
RTR-082
Fig. 4.15.4 RTR-082 Antenna Motor Power Control System Diagram