AERCO Innovation (G-14-2265 and above) - Manual (Page 132)

Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 8 – WATER HEATER MANAGEMENT
Page 132 of
206 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
OMM-0078_0L
PRI: 11/25/2014
Phone: 800-526-0288
GF-128
8.11.2 Sequencing Valve Operating Characteristics
The Sequencing Valve is powered by 24 VAC which is supplied from a step-down transformer
located in the Power Box of the Innovation Water Heater. The 24 VAC power output and a 2 to
10Vdc control signal from the I/O Box of the Water Heater are routed to the Sequencing Valve
via a 4-pin Molex connector.
During normal Water Heater Management (WHM), a control signal of less than (<) - 2Vdc will
rotate the valve to the fully open (90°) position. Conversely, a control signal above 8Vdc will
rotate the valve to the fully closed (0°) position. The sequencing valve will send a status of the
Valve (open/close) as a feedback signal (2 – 10Vdc) to the C-More. The valve position can be
observed on the scale provided on the Actuator Linkage.
Figure 8-7. Sequencing Valve Wiring