Furuno FAR-2157-D, FAR-2157-BB Changing AC Power Specification, Processor unit, inside view

2.6 Changing AC Power Specification

To change AC power specification from 100 VAC to 220 VAC and vice versa, change fuse and jumper wire settings and adjust the overvoltage detection circuit, following the instructions in this section.

Processor unit

Add or remove jumper connector P108 from the PWR board 03P9339 and change the fuse in the processor unit according to ship's mains. Then, adjust the overvoltage detection circuit, the pro- cedure for which is shown on the next page.

Note: When switching from 220 VAC to 100 VAC, construct a jumper connector locally, referring to the illustration on the next page. (VH8 connector housing is to be plugged into J108.)

Power supply	Fuse	Jumper connector P108
100 VAC	10A	Necessary
220 VAC	5A	Unnecessary

Cover of PWR board

Fuse

TB1

PWR board

Upper part of processor unit (SPU assembly omitted)

Processor unit, inside view

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