Kohler APM 402 (Decision-Maker 3000)
This topic is the install guide for the after-market gateway (part# G0097460) with the universal harness (part# A0006648426) when utilizing the Kohler Decision-Maker® 3000 APM402 Controller.
Kohler Decision-Maker Display
Schematic of Decision-Maker Connectors
Modbus Communication Settings and Notes
Settings should match values provided in this table.
Address: 1 |
Baud Rate: 19200 |
If different settings are required, please contact Support.
Generac Gateway Side Terminations | Description | Harness Wire Color | Equipment Side Terminations |
|---|---|---|---|
+ | DC+ | Red | 42A (B+) |
- | DC- | Black | Terminal 2 (B-) |
A2 | Data + | Blue / White | P21-2 + |
B2 | Data - | White / Blue | P21-3 - |
Pin 16 | Not in Auto | Green | *P29-NO |
Pin 17 | Common Alarm | White | *TB2-NO |
GND | Data GND | White / Green | P21-1 GND |
Harness Relay #1 | COM | Blue | TB3-3 |
N/O | White / Blue | TB3-4 |
*Default configuration for alarms are for Common Alarm on White wire and Not in Auto on Green wire. If monitoring other statuses is required, please contact Support.
Gateway Connection Ports
Gateway Right Panel—GPS antenna and harness I/O connections
Gateway Left Panel—Cellular antenna, power, serial communication ports, and SIM card slot
Check out our knowledge base and support center for information on any technical questions.