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13
How to Use
Stand by mode
Putting the boiler in stand by mode and anti freeze system. :
Press key 32
During the duration of the stand-by mode, an automatic anti-sticking system will switch on the pump for 1 minute
and activate the 3 way valve every 23 hours.
The stand-by mode will disable the anti-freeze function of the room thermostat (if fitted). To leave the room
thermostat anti-freeze system operative, please leave the Central Heating mode on.
The boiler is equipped with an automatic anti-freeze system which is permanently on.
If the Central Heating temperature falls below 7°C, the pump will start.
If the Central Heating temperature falls below 4°C, the pump and the burner will start.
Turn off the boiler
- Press on key 32
- Switch off the main electrical supply
- Shut off the gas service tap 42 (Fig. 21)
Note : In this condition, the anti-freeze system is inoperative.
14
Maintenance
As with your car, 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 on the Log Book.
15
Guarantee
The manufacturer`s guarantee is for 12 months 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.
16
Practical Information
Pump anti-sticking device
When the boiler is switched on, an automatic anti-sticking system will switch on the pump for 1 minute and make a movement
of the 3 way valve every 23 hours. This is a normal function.
Precaution to avoid freezing
We recommend you contact your installer or local service centre to take precautions adapted to your system.
• DHW system
Turn off the main cold water supply and drain the boiler :
- Open a hot water tap
- Unscrew the cold water inlet tail
- Drain the water out the boiler with the drain valve 48 (Fig. 21)
• C.H. system
Chose one of the following solutions :
- 1) Drain the Central Heating system completely
- 2) Protect the Central Heating system with anti-freeze chemical products and verify periodically the concentration
- 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.
20
(continued)
A fixed digit at the centre of the display and the green indicator 36 on
and 28
, to switch off both DHW and C.H. mode. The green indicators 39 and 29 will stop.
and 28
, to switch off both DHW and CH mode. The green indicators 33 and 29 will go out
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