Maintenance; Guarantee; Practical Information - Ariston Type C Installation, Servicing And Operating Instructions

Stand-by mode
Turn the control knobs 29 and 30 to the OFF position to deactivate the DHW
and Heating. Leave the ON/OFF button On with the green light on.
During the stand-by mode the display indicates the time, anti-seizing and anti-
freezing will be active, see below.
Switch OFF
Press the ON/OFF button.
During this mode the boiler will not operate, but is still connected to the mains.
Anti-freezing mode
Turn the control knobs 29 and 30 to OFF to switch off the heating and hot water
functions. Leave the On/Off button on with the green light on.
When the anti-freeze comes on, the corresponding code is displayed with the
snowflake pictogram .
The two possible codes are 05 (anti-freeze - pump only) or 06 (anti-freeze -
burner).
05: When this mode is active, the circulating pump operates for one
minute and the diverter valve switches every 23 hours.
Caution: in this mode, the room thermostat anti-freeze function is
inoperative.
Boiler anti-freeze function:

3. Maintenance

Your boiler will work more reliably and efficiently if regularly serviced. We recommend an annual service check. The service
history of the appliance will be marked in the Service Interval Record (Section 25, page 61).

4. Guarantee

The manufacturer`s guarantee is for 2 years from the date of purchase. The guarantee is voidable if the appliance is not
installed in accordance with the recommendations made herein or in a manner not approved by the manufacturer. To assist us
in providing you with an efficient after sales service, please return the guarantee registration card enclosed with the boiler with-
out delay.

5. Practical Information

Cleaning the casing and control panel
Should it be necessary to clean the casing and control panel. do so only with a soft damp cloth, do not use any spray polishes
or cleaners.
Precaution to avoid freezing
We recommend you contact your installer or local service centre for further advice on the actions to be taken to avoid the
system freezing (Should the boiler be turned off at the mains electrical isolator).
• DHW system
Turn off the main cold water supply and drain the boiler :
- Open a hot water tap
- Unscrew the cold water inlet tail
• CH system
Choose one of the following solutions :
- 1) Drain completely the Central Heating system
- 2) Protect the Central Heating system with anti freeze chemical products and verify the concentration periodically
- 3) Leave the Heating mode switched on and set the room thermostat to anti-freeze mode (between 5 and 10°C)
- 4) Leave your boiler in stand by mode, the anti-freeze device will switch on the pump and the burner if necessary.
the pump starts at 8°C
the burner starts at 3°C
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