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An elevated return temperature, allows efficiency
improvement,
reduces
condensation and prolongs the boiler life span.
Valves on the market have different calibrations.
NORDICA advises use of model 55°c with 1"
hydraulic connections. Once the valve calibration
temperature is reached, route 2 is opened and the
boiler water is goes to the system via the flow (M).
IMPORTANT lack of installation of the device
voids the heat exchanger warranty.
3.4.
HEAT DISCHARGE VALVE (OPTIONAL)
Solid fuel thermo products must be installed with safety devices determined by laws in vigour.
For this reason the thermo stove are equipped with a heat discharge coil.
The heat discharge coil must have one side connected to the water network (A Picture 3) and the other rot drainage
network (C). When the safety temperature is reached, the heat discharge valve, the bulb of which is to be connected
to attachment B, enables the intake of cold water in the boiler coil, discharging the excess heat out of pipe C towards
a conveniently installed drain.
Cooling circuit upstream pressure must be at least 1,5 bar.
A
4.
FIRE SAFETY
When installing the thermocooker, the following safety measures must be observed:
In order to ensure sufficient thermal insulation, respect the minimum safety distance from objects or furnishing
a)
components flammable and sensitive to heat (furniture, wood sheathings, fabrics. etc.) and from materials with
flammable structure (see Picture 4 A). All of the minimum safety distances are shown on the product data
plate and lower values must not be used.
in front of the furnace door, in the radiation area, there must be no flammable or heat-sensitive objects or
b)
material at a distance of less than 100 cm. This distance can be reduced to 40 cm where a rear-ventilated,
heat-resistant protection device is installed in front of the whole component to protect.
If the product is installed on a non totally refractory floor, one must foresee a fireproof background. The floors
c)
made of inflammable material, such as moquette, parquet or cork etc., must be replaced by a layer of no-
inflammable material, for instance ceramic, stone, glass or steel etc. (dimensions according to the local
regulations). The platform must project frontally by at least 50 cm at the front and at least 30 cm at the sides, in
addition to the opening of the loading door (see Picture 4 B).
no flammable components (e.g. wall units) must be present above the product.
d)
The thermocooker must always operate exclusively with the ash drawer inserted. The solid combustion residues (ash)
must be collected in a sealed, fire resistant container. The thermocooker must never be on in the presence of
gaseous emissions or vapours (for example glue for linoleum, petrol etc.). Never deposit flammable materials near the
thermocooker.
During combustion, thermal energy is released which leads to considerable heating of the surfaces, doors, handles,
controls, glass parts, the flue gas pipe and possibly the front part of the appliance. Avoid contact with these elements
unless using suitable protective clothing or accessories (heat resistant gloves, control devices).
Ensure children are aware of these dangers and keep them away from the furnace when it is on.
When using the wrong fuel or one which is too damp, due to deposits present in the flue, a flue fire is possible.
24
formation
of
smoke
B
CB
TERMOPRODOTTO
Picture 2
C
TermoSovrana DSA
3
55°
1
7094211 – EN
M
R
2
B
A
Picture 3
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