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Mounting and wiring the instrument – Fairbanks NexWeigh User Manual

Page 16

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Section 3: Installation

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51216 -- Rev. 6

3.2. MOUNTING AND WIRING THE INSTRUMENT

3.2.1. Basic Installation Steps

The NexWeigh Instruments arrive fully assembled.

1. Ensure the AC power cord is disconnected from any power sources.

2. Remove the cover and place the unit face down on a bench.

3. On the main PC board, locate the jumpers at J4

4. Remove the jumpers from the 117V positions and replace one of them on the

220V position as shown.

5. Remove the 120 VAC plug from the end of the power cord and attach a proper

220-240 VAC plug. Connect the green wire and the shield to the ground lug.
Please note, original wiring connects brown to AC hot and blue to neutral.

6. Reattach all cables and replace the front cover assembly.

Caution: Improper connections at J4 can cause

catastrophic damage to the instrument

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The Factory Default Setting for the NexWeigh is

110 to 120 VAC operation.

For 220 to 240 VAC operations, change the setting as shown

below before powering up the unit.