A.O. Smith BFM - 100, Installation & Service Manual

Page: 55 / 74

Instruction manual BFM 55
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10 Shutting down
10.1 Introduction
Topics covered in this chapter:
•
Shutting down the appliance for a brief period
(OFF mode)
;
• Isolating the appliance from the mains ;
• Shutting the appliance down for a long period .
10.2 Shutting down the appliance for a brief
period (OFF mode)
To shut the appliance down for a brief period, you must
activate frost protection using the appliance's heating
cycle
(2.3 "The appliance's heating cycle") .
By using the frost protection, you can prevent water
freezing in the appliance. Frost protection is activated
by setting the ON/OFF switch on the control panel to
position 0.
10.3 Isolating the appliance from the mains
The appliance should only be isolated from mains
power in the correct way. The correct procedure is as
follows:
1. Shut down the appliance by setting the ON/OFF
switch to position 0.
2. Isolate the water heater from the power supply by
putting the isolator between the appliance and the
mains power supply to position 0.
10.4 Shutting the appliance down for a long
period
To shut the appliance down for a longer period, you
must drain the appliance
(6 "Draining") .