Power Alteration - Nera Inmarsat-c Service Manual

4.4 PR-240 power alteration
PR-240 is shipped for 220 VAC power connection. The power alteration between 230 V
and 115 V is made as below without soldering.
Change tap connection.
See Fig. 4.4.1.
Step 1. Changing tap connection
Fig. 4.4.1 Changing tap connection
Fig. 4.4.1 Changing tap connection
Step 2. Changing jumper connection
Fig. 4.4.2 Changing jumper connection
Change jumper connection.
See Fig. 4.4.2.
The white wire is connected to #1 and
the black #2 in 220 VAC sets. Both
white and black wire are connected to
#1 in 115 VAC sets.
Change the connection of red
wire depending on ship's mains.
4-12
4.4 PR-240 power alteration
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