Kohler — Digital Power Meter Kit Installation Procedure
Installation · Digital power meter, current transformers (CTs), ATS enclosure
From a Kohler service manual — check it applies to your exact model before use.
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Before you start
- Hazardous voltage. Disconnect all power sources before opening the enclosure.
- Deenergize all power sources before servicing; disconnect battery negative (-) leads first and reconnect last.
Procedure
- Disable the generator set(s) to prevent accidental starting; place master switch in OFF or press OFF/RESET.
- Disconnect power to the transfer switch.
- Open the ATS enclosure.
- Install the current transformers (CTs) on the load leads with the dot or mark pointing toward the power source.
- Connect the black and white CT leads to the power meter (PM) as shown in the wiring diagram.
- Optional: connect RS-485 serial communication; connect network devices in parallel; use terminating jumper across A- and T on the last device.
- Optional: connect digital/relay outputs as shown in the connection diagrams.
- Reconnect power to the transfer switch.
- Re-enable the generator set(s); reconnect battery negative (-) lead last and power to battery charger.
Specs & values
- Single-phase kits use two CTs; three-phase kits use three CTs.
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.