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Siemens Gas Valve Actuator Replacement Kit # 27086-TAB Instructions
6. PREPARATONS
To prepare the boiler for the retrofit, perform the following:
•
Remove power from the unit by shutting off electrical power upstream from the boiler.
•
Turn off the supply gas upstream from the boiler.
HIGH VOLTAGES OF 120 VAC, 220 VAC OR 460 VAC
ARE USED IN AERCO BOILERS. IT IS REQUIRED THAT
ALL
REMOVED FIRST BEFORE PERFORMING ANY OF THE
PROCEDURES DESCRIBED IN THIS DOCUMENT. USE
EXTREME CARE WHEN ACCESSING CIRCUITS AND
ELECTRICAL CONNECTIONS WITHIN THE EQUIPMENT.
SERIOUS PERSONAL INJURY OR DEATH MAY OCCUR
IF THIS WARNING IS NOT OBSERVED.
Observe local requirements and lockout procedures when working
on the boiler.
Personal injury or loss of life may occur if procedures are not
followed as specified. All installations must be performed by
qualified personnel only.
VD2: 01/28/2014
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
Technical Instruction Document
WARNING
POWER
APPLIED
IMPORTANT!
WARNING
WARNING
Do NOT pull the actuator shaft of the actuator.
TO
THESE
BOILERS
TID-0092_0E
IS
Page 5 of 9
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