AM Series Boilers and Water Heaters
CHAPTER 9 – OPERATION
OMM-0100_0D
AERCO International, Inc.
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100 Oritani Dr.
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Blauvelt, NY 10913
Page
111
of
154
GF-146
Ph.: 800-526-0288
03/28/16
9.22 Unit Shut-Down
To shut the unit down, perform the following:
Shutting Down the Unit
1. Turn the unit power switch to the OFF position.
2. Turn off all electrical power to the unit.
3. Close the manual shut-off valve (Figure 9-3) by turning the valve handle clock-wise. Do not
force.
Figure 9-3: Gas Safety Shut-Off Valve
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Do not drain the system, unless exposure to freezing temperatures will occur.
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Do not drain the system, i
f it is filled with an antifreeze solution.