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USER INSTRUCTIONS

 

 

1

BOILER OPERATING INSTRUCTIONS 

 

Make sure that the authorised technician who tested the boiler has stamped the guarantee booklet. 

 

 

The installation, first start-up, regulation and maintenance operations must be carried out exclusively by qualified 
personnel (e.g. RADIANT authorised Service Centres). Incorrect installation can cause damage to property and 
injury to persons or animals, for which the manufacturer will not be held responsible.

 

During the installation, the technician must carry out the following checks: 

 

The data on the data plate must correspond to that of the mains supply networks (gas, electricity, water). 

 

The boiler must be regulated according to its designed use and performance. 

 

The flue gas exhaust and combustion air intake system must be correctly installed and operational. 

 

The exhaust gas discharge and ventilation systems must comply with the requirements of national and local 
standards regardless of whether the boiler is installed indoors, outdoors or in its own cabinet (see 

section 

“Reference standards”. 

General warnings 

 

If there is any doubt as to whether the appliance has been tested by an authorised technician, do not attempt 
to start it. All maintenance and gas conversion operations MUST BE CARRIED OUT BY PROFESSIONALLY 
QUALIFIED PERSONNEL, registered in accordance with current legislation.

 

 

Make sure that the requirements relating to the air intake and ventilation of the room in which the 
boiler is to be installed have been complied with. 

 

The boilers can be installed outdoors in a partially protected location, in accordance with current 
standards and where the minimum external temperature does not fall below –10°C.  The manufacturer 
will not be held responsible for installation in locations where the temperature falls to below –10°C. 

 

The boiler is fitted with an antifreeze system. If the boiler is installed in a location where there is a risk of 
freezing, the anti-freeze system will only come into operation if the power is on and the gas supply valve is 
open (the frost protection is active even with the ON/OFF switch in OFF position). The manufacturer will not 
be held responsible for damage to the boiler caused by non-compliance with this instruction. 

 

Should any part of the boiler freeze-up, do not attempt to light it under any circumstances, but instead call the 
Service Centre immediately.  

 

The appliance’s combustion system must be checked every two years. This check includes testing the 
efficiency of the boiler and must be carried out by authorised personnel possessing the qualifications as 
required by current law. 

 

Do not obstruct the ventilation openings in rooms where there are gas-burning appliances installed (boiler, 
cooker, etc.). 

 
 
 
 
 

 

 

 

 

Summary of Contents for RK 25/B

Page 1: ...RK 25 B RAD ING MAN UT 0907B DIGITECH 2 Technical specification RADIANT BRUCIATORI S p A Montelabbate User Manual for model RK 25 B Premix condensing system boiler for remote D H W storage cylinder co...

Page 2: ......

Page 3: ...BY PROFESSIONALLY QUALIFIED PERSONNEL registered in accordance with current legislation Make sure that the requirements relating to the air intake and ventilation of the room in which the boiler is t...

Page 4: ...S CALL FOR PROFESSIONALLY QUALIFIED PERSONNEL Boiler controls Control panel LEGEND 1 ON OFF SWITCH 2 HEATING TEMPERATURE CONTROL KNOB 3 D H W TEMPERATURE CONTROL KNOB 4 D H W TEMPERATURE DISPLAY BUTTO...

Page 5: ...will only work for the central heating system The WINTER mode setting of the boiler is signalled by the symbol lit continuously on the control panel The automatic ignition system will light the burne...

Page 6: ...boiler In this respect the reading on the pressure gauge M fig 1 located on the lower part of the boiler must not be less than 1 bar If there is insufficient water in the boiler the code H2O will flas...

Page 7: ...usly on the display Call the Service Centre E12 D H W boiler sensor malfunction Code E12 lit continuously on the display Call the Service Centre E16 Electric Fan Malfunction Code E16 lit continuously...

Page 8: ...THE COMPANY RESERVES THE RIGHT TO APPLY VARIATIONS WITHOUT PRIOR NOTIFICATION NEITHER WILL THE COMPANY BE HELD RESPONSIBLE FOR ANY INACCURACIES IN THIS HANDBOOK DERIVING FROM PRINTING OR TRANSLATION...

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