A.O. Smith SGE User Manual

Page of 110
Instruction manual SGE
63
gis
10
Shutting down
10.1 Introduction
This chapter describes:
;
.
10.2 Shut the appliance down for a brief 
period ("OFF mode")
To shut the appliance down for a brief period, you must 
activate the frost protection.
You can use the frost protection to prevent water 
freezing in the appliance.
Activate the frost protection as follows:
1. Press the  
 button to select the main menu.
2. Use   and   to position the cursor in front of OFF.
Confirm with 
.
The frost protection cuts in if the water temperature 
drops below 5°C. The text FROST will then appear on 
line one of the display. The appliance heats the water 
to 20°C (T
set
) and drops back to the OFF mode.
Note
These values of 5°C and 20°C cannot be adjusted.
10.3 Electrically isolating the appliance
The appliance should only be isolated from mains 
power in the correct way. The correct procedure is as 
follows:
1. Activate the MENU with 
.
2. Position the cursor in front of OFF.
3. Confirm OFF with 
.
Caution
Failure to wait until the fan stops purging can 
cause damage to the appliance.
4. Wait until the fan has stopped. The   symbol is 
then dimmed.
5. Switch the appliance OFF (position 0) using the 
ON/OFF switch on the control panel.
6. Isolate the appliance from the power supply by 
setting the isolator between the appliance and the 
mains power supply to position 0.
10.4 Shutting the appliance down for a long 
period
Drain the appliance if you are shutting it down for a 
long period. Proceed as follows:
1. Isolate the appliance from the power 
supply
.
2. Shut off the gas supply.
3. Close the stop valve in the hot water pipe.
4. Open the drain valve
5. Bleed the appliance (or installation) so that it 
drains completely. 
OFF
13:45 Thursday
6ÉC
FROST PROTECTION
ACTIVATED
MENU
 »OFF
^ ON
È WEEK PROGRAM