APPENDIX “B”
THOMSON POWER SYSTEMS
©
TS 870 SYSTEM VOLTAGE CHANGE
PROCEDURE
9087A - 198th Street, Langley, BC, Canada V1M 3B1 · Telephone (604) 888-0110
Email: info@thomsonps.com · www.thomsonps.com
4. Carefully remove the potential transformer high voltage side covers by prying up on
the edge of the cover with a ¼” Flat Head Blade screwdriver and lifting off.
NOTE: You can also use your finger to pry up on the edge of the PT cover.
5. Remove the screw on the PT Tap which is the correct voltage selected for the application
(i.e. H2-208V, H3-240V, H4-480V or H5-600V)
H6-Not Used H5-600V H4-480V H3-240V H2-208V H1 (Never Changes)
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