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Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 8 – WATER HEATER MANAGEMENT
Page
124
of
216
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0078_0M
09/11/2015
Phone: 800-526-0288
GF-128
WHM Hardware Installation –
Continued
5.
Tighten all pipe connections after the sequencing valve is properly positioned.
6.
Connect the 4-pin Molex connector on the sequencing valve to the mating connector on
the Innovation harness at the rear of the unit.
7.
This completes the sequencing valve installation.
Figure 8-2. Innovation Water Heater Equipped With Sequencing Valve
8.8.3 WHM Modbus Network Wiring
As previously mentioned, all units being controlled by the WHM will be connected to a RS485
Modbus Network. All Modbus networks are wired in a daisy-chain configuration using a
Master/Slave scenario as shown in Figure 8-3.
BALL VALVE
WITH ACTUATOR
2” (5.1 cm) NPT NIPPLE
2” (5.1 cm) NPT UNION
HEATER DRAIN
VALVE
COLD WATER INLET