Kohler — Configure the DEC 8000 controllers for the remote serial annunciator
Installation · Decision-Maker 8000 controller
From a Kohler service manual covering: APM402, APM603, APM802, Decision-Maker 550, GM32644-KP1, GM62466-KP1, GM91356, KPC 1000, MPAC 1000, MPAC 1200, MPAC 1500, MPAC 750. Check it applies to your exact model before use.
Applies to: Kohler APM402, Kohler APM603
Procedure
- Use the controller menus to change the setpoints: Contr. address 1, RS232(2) mode 0 - DIRECT, RS232(2) MBCSpd 1 - 19200, RS485(2) conv. ENABLED.
- For RS-485 port 2, enable the internal converter and set the Modbus communication speed to 19200 bps.
- Verify the RS-485 address on the controller matches the address on the RSA III master.
Specs & values
- Contr. address: 1 (default)
- RS232 Amazon eBay $145.00 FridayParts $92.25(2) mode: 0 - DIRECT (default)
- RS232 Amazon eBay $145.00 FridayParts $92.25(2) MBCSpd: 1 - 19200 Amazon eBay $30.84
- RS485 Amazon eBay $499.00 FridayParts $92.25(2) conv.: ENABLED (default)
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.