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.
Generac Link-Site Deployment Controller Selection:
Kohler APM402 (DEC 3000)-RS485-EC312
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
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