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Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 8 – WATER HEATER MANAGEMENT
Page
126
of
216
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0078_0M
09/11/2015
Phone: 800-526-0288
GF-128
8.8.4 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