Specifications

MODBUS COMMUNICATION MANUAL
4-8
CAUTION
The C-More Boiler Controller Printed Circuit Boards contain electronic
components that are sensitive to electrostatic discharge (ESD). Prior to
performing the following steps, put on an anti-static wrist strap and connect the
clip lead to earth ground. Failure to observe this precaution may result in
permanent damage to on-board ESD-sensitive components.
4. Put on an anti-static wrist strap and attach the clip lead to earth ground.
5. From the back of the Panel Assembly (Figure 4-7), locate the RS485 DIP switches on the
PMC Board.
6. Refer to Figure 4-8 and set the “TERM” switch to the ON (Up) position.
7. Set the BIAS2 and BIAS1 switches to the ON (Up) position.
8. After the DIP switches have been set, reposition the Front Panel Assembly on the chassis
and secure it in place with the four screws.
FRONT PANEL
SCREWS (4 PL)
THE C-MORE CONTROLLER MODEL SHOWN WITH A
HORIZONTAL PANEL CONTROL LAYOUT IS USED ON KC1000
BOILERS.
BENCHMARK BOILERS UTILIZE C-MORE CONTROLLERS WITH
A VERTICAL PANEL CONTROL LAYOUT.
NOTE:
Figure 4-6. C-More Control Panel - Front View