AM Series Boiler & Water Heater User Manual
CHAPTER 9
– OPERATION
OMM-0100_E
•
GF-146
•
11/15/2019
Technical Support
•
(800) 526-0288
•
Mon-Fri, 8 am - 5 pm EST Page 122 of 170
WARNING!
If the high temperature fuse is blown before it is replaced, it is mandatory to inform the
manufacturer to prevent serious damage and a possible dangerous condition.
A blocked
vent could cause high levels of CO to enter the mechanical room. Ensure vent is intact and
free of any obstructions or restrictions.
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
•
Do not drain the system, unless exposure to freezing temperatures will occur.
•
Do not drain the system, if it is filled with an antifreeze solution.
