Coopra Advanced Heating Technologies User instructions 15B, 15C, 37K, 37B, 37C, 40C
2
General
The appliance is not intended for use by persons with
reduced physical, sensory or mental capabilities, or lack
of experience and knowledge, unless they have been
given supervision or instruction concerning use of the
appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not
play with the appliance.
Boiler
The type plate, which specifies the type of gas for which
the boiler is factory set, is on the left hand side of the
frame.
Open the door in the cover for reading the display.
Display
LED indication
- LED is on = burner is on
- LED is off = standby (no heat demand)
- LED is flashing = unit is in lock-out
Lock-out
With malfunctions, lock-out, user may reset the boiler
using the set/reset button. However, with repeating
failures in short period of time always let your installer or
maintenance man check and repair unconditionally.
How the boiler works
The boiler is equipped with gas and combustion air
regulation controls. The purpose is to keep the gas/air
mixture in the burner as optimal as possible. This ensures
clean and reliable combustion and high efficiencies
across the entire load range of the boiler at all times, e.g.
when modulating.
A fan sucks the air
required for the
combustion through the air
feed canal (A). Because
the combustion air in the
venturi sucks an under
pressure, the correct
amount of gas (G) is
automatically added to the
combustion air.
The flammable gas/air
mixture thus obtained is
fed to the burner, via a
mixing chamber, to be
ignited at the surface of
the burner by a ceramic
glow plug. The hot
combustion gases are efficiently fed through the heat
exchanger, where they give their heat to the water. The
flue gases are fed outside, through the flue tube (F), into
a flue tube exhaust canal.
The condensation water (H2O) thus obtained is
discharged into the sewer.
Periodical maintenance
After the first year, have a recognised installer or
maintenance man inspect the unit. He can ascertain the
maintenance deadline on the basis of the inspection and
circumstances.
Cleaning the unit
Regularly clean the outside of the unit with a soft, damp
cloth. It is not necessary to shut the gas tap or switch off
the mains for this.
Never use aggressive or flammable cleaning agents.
Take note that water pipes and the flue gas exhaust can
be hot at high temperature.
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