Kohler MPAC 1500 — Control Circuit Isolation Procedure
Maintenance · ATS controller assembly
For the Kohler MPAC 1500, from the Kohler service manual.
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Before you start
- Hazardous voltage. Only authorized personnel should open the enclosure.
- There is still power to the controller assembly after the service disconnect is completed. The line side lugs are active at all times.
Procedure
- Perform the service disconnect procedure in Section 1.6.1.
- Open the enclosure door and move the control circuit isolation switch to the OFF position.
- Use a voltmeter to verify that there is no power to the ATS controller assembly before removing the controller.
Tools required
- Voltmeter Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.