OCTOBER 2005 INSTALLATION PROCEDURE 45
SIEMENS
MAINTENANCE MANUAL
Verify the MOV Surge Suppressor Board
1. Locate the MOV Surge Suppressor Board (see Figure 3-2: MOV Surge Suppressor
Board).
Figure 3-2: MOV Surge Suppressor Board
2. Find the part number on the board.
a. If your incoming voltage is over 380 VAC, then PCB-0146 should be installed.
3. Identify the jumper and AC input locations. Use Figure 3-3 through 3-7 for three
phase transformers.
a. Where are the jumpers located?
b. Where are the AC inputs (L1, L2, L3) located?
4. With the jumper and AC input locations, locate the voltage setting of the
transformer using the table.
Jumper (Step 6a) AC Input (Step 6b) = Voltage Setting
3-6 8 = 380VAC
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