Shutting Down; Introduction; Shut The Appliance Down For A Brief Period ("Off Mode"); Electrically Isolating The Appliance - A.O. Smith ADMR-40 Installation, User And Service Manual

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10.1 Introduction

This chapter describes:
• Shut the appliance down for a brief period ("OFF
mode");
• Electrically isolating the
• Shutting the appliance down for a long
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 .
OFF
13:45 Thursday 6ÉC
FROST PROTECTION
ACTIVATED
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 ) and drops back to the OFF mode.
set
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
MENU
»OFF
^ ON
È WEEK PROGRAM
Caution
Failure to wait until the fan stops purging can
cause damage to the appliance.
Instruction manual ADMR

Shutting down

appliance;
period.
.
.
4. Wait until the fan has stopped. The
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 (10.3 "Electrically isolating the
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.
symbol is
appliance").
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