AERCO RECON 1000 User Manual
Page 127
RECON Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 8 – WATER HEATER MANAGEMENT
OMM-0103_0A
AERCO International, Inc.
100 Oritani Dr. Blauvelt, NY 10913
Page 127 of 178
GF-147
Phone: 800-526-0288 PRI:
10/28/2014
8.8.3 Control and Power Wiring
Control and power wiring connections to the sequencing valves associated with each C-More
WHM unit is accomplished by simply ensuring that the 4-pin Molex connectors on the units are
connected to the corresponding connectors on the valves.
Figure 8-4 WHMS Network Wiring Diagram
NOTES:
Wiring to be shielded twisted-
pair cable (Belden 9841 or
equivalent).
Complete the following
instructions:
1. Activate DIP 1 (Modbus
TERM) on the first and last
units in the daisy chain.
2. Tie incoming/outgoing
shields together and
terminate at the shield
terminal of the LAST WHMS
slave in the chain.
3. On the CPU board inside the
C-More Control Panel of the
last unit on the chain, turn
the DIP switches labeled
BIAS1 and BIAS2 to the
“ON” position.