User Manual
Wall hung storage boiler Low Nox – Cod. 99960NA – November 2002
II
Turning off boilers with electronic ignition :
turn selector switch 1 to the OFF position (see fig. 1 pag. I).;
if the boiler will not be used for long periods it is recommended that the gas cock under the boiler grill be shut off.
THE BOILER IN USE
Summer-winter use (see fig. 1 pag. I).
turn the selector switch 1 to the program to operate the boiler in the WINTER position for both heating and hot water;
turn the selector switch 1 to the program to operate the boiler in the SUMMER position for just hot water;
if the system has a room thermostat, set this to the temperature required.
REGULATING THE HEATING TEMPERATURE
The heating temperature is regulated by turning knob 3 (see fig. 1 pag. I).
turn it counter-clockwise to lower the temperature.
turn it clockwise to raise the temperature.
the temperature range can be adjusted from a minimum of 30°C to a maximum of 80°C.
REGULATING THE HOT WATER TEMPERATURE
The hot water temperature is regulated by turning knob 4 (see fig. 1 pag. I).
turn it counter-clockwise to lower the temperature
turn it clockwise to raise the temperature
the temperature range can be adjusted from a minimum of 35°C to a maximum of 60°C.
RESETTING THE BOILER
If boiler locks-out (fig. 1 page I, indicator no. 2 ON) proceed as follows:
wait approximately 3 minutes from the last shut down
press red reset button (2) (fig.1 page I)
The boiler comes into operation.
If lock-outing persists, turn the boiler OFF and call
RADIANT HELP LINE - 01329.828555.
WARNINGS FOR THE USER
To keep the boiler in efficient and safe operating condition, carefully follow the instructions listed below:
Have normal maintenance performed at least once a year by one of our authorised service centres (a fee will be charged),
combustion tests are necessary every two years and should again be carried out by a qualified technician authorized by
the manufacturer (in accordance with D.P.R. 412 regulations, 26-08-93).
Periodically check system pressure on the pressure gauge and check that pressure is between 0.5 - 1.5 bar with the
system cold.
Do not clean the casing or internal parts of the boiler with reducing agents or solvents. Clean only with soap and water.
Never leave flammable materials in the immediate vicinity of the boiler.
For greater comfort and more rational use of heat, it is advisable to install a room thermostat connected to a clock timer to
turn the boiler on and off during the course of the day or week (in accordance with D.P.R. 412 regulations, 26-08-93).
The boiler is equipped with an anti-freeze system, which is operative with switch 1 in either SUMMER or WINTER
position, even if the room thermostat is set at zero, as long as there is electrical power and gas feed.
Please ensure you have a fully completed BENCHMARK BOOKLET and this is kept with your installation instructions.
