AERCO Electronic Controls System (ECS) - Manual (Page 65)

Electronic Control System (ECS) and Type CXT-E Valve
8. CORRECTIVE MAINTENANCE
VD2: 02/28/14 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288 Page 65 of 82
AC-105 OMM-0003_0D
8.3.6 DC Voltage Regulator Replacement
The DC Voltage Regulator is mounted on the bottom interior surface of the Control Box chassis.
Replacement is accomplished as follows:
1) Open the Control Box door and loosen the captive screw on the recessed panel behind the
door.
2) Open the swing-down panel and locate the DC Voltage Regulator on the bottom of the
chassis interior (Figure 8-9, View D – D).
3) Disconnect the wiring connector plug shown in Figure 8-9, View D – D.
4) Remove the four hex nuts and lock washers securing the Regulator to the studs on the
bottom of the chassis. Completely remove the DC Voltage Regulator from the Control Box.
5) DC Voltage Regulator replacement is accomplished by reversing the previous steps.