Kohler — Three-Source System Setup
Installation · Three-source system transfer switches and generators
From a Kohler service manual — check it applies to your exact model before use.
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Before you start
- If the battery connections are reversed, red LED1 or LED2 will light and the battery module can be damaged.
Procedure
- Connect the utility power source to the normal side of ATS1.
- Connect the load to the load side of ATS1.
- Connect the emergency side of ATS1 to the load side of ATS2.
- Connect generator set 1 to the normal side of ATS2.
- Connect generator set 2 to the emergency side of ATS2.
- Connect the ATS2 engine start contacts to the engine start circuit on generator set 2.
- Connect one ATS1 programmable output to one ATS2 programmable input; set to Three-Source System Disable.
- Connect one ATS2 programmable output to generator set 1 engine start; set to Source N Start Signal.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- EBSM battery input 9-36 VDC, 12 VDC output.
- Set voltage selector switch SW11-1 on the battery module to 12 or 24 VDC.
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.