- PRODUCT
• General Specifications
Colora 24
kW
open
flued gas combination boilers
and
24 I 28
kW
room sealed fan assisted
gas combination boilers are for providing central heating
and
domestic hot water.
The
boilers
are supplied for
use
with either natural gas or
LPG.
Boiler has
space
saving design which provides easy servicing
and
maintenance.
It
has also
a elegant
appearance
with
compact
dimensions (750x454x340 mm)
and
round edges.
Control panel has
been
designed ergonomically.
Whilst
push-buttons,
CH
&
DHW
temperature
control potentiometers, thermomanometer
and
timer (optional) are under
its
plastic cover,
boiler functions
and
fault/error conditions
can
be
seen via
LEDs
signal without opening the
cover.
Microcontroller
board
(main board) provides all the functionality
and
safety
of
the boiler.
The
controller drives gas valve, fan,
pump
and
(in
monothermic types) 3-way valve.
The
board
is
cased
by
a plastic casing, which
is
mounted on the gas valve. Flame
in
the burner
is
checked
regularly. Flame modulation
can
be
seen through the observation glass on the front panel.
A CAUTION: Do
not
directly contact
the
observation glass
~
while observing the flame modulation to avoid burning injury.
Burner,
is
made
of
stainless steel, withstands thermal
stress.
Burner
performs silently
and
provides
efficient
and
clean
combustion as a result of the homogeneous dispersion
of
gas. Combustion
chamber has ideal dimensions for burner
and
perfect insulation of heat
and
has been designed
to
provide
loss
of
low heat, high efficiency
and
low emission
of
gas.
These
specifications
of
burner
and
combustion
chamber
provide
energy
saving
and
minimum
noise level.
Pump has an automatic air vent
and
3 operation mode.
The
boiler
has
'pump over-run' behaviour
so
that
pump
continues to run for a certain time after ending
of
CH
or
DHW
heat
demand
to
prevent from thermal accumulation
in
water circuit.
Heat exchanger
is
made
of
copper
and
designed for thermal shock absorbing.
It
has long life,
high productivity
and
is
non-calcerous
as
well.
Plate
heat
exchanger
makes
hot
water
more
efficient
in
monothermic
types.
The
safety systems
in
your
appliance
provide entire safety for you
and
your
appliance.
The
safety
systems
are:
~
Flue Gas Safety
System
~
Flame Failure Safety
System
~Over-heat
Safety
System
(1
05°C)
~
DHW
(Domestic Hot Water) Over-heat Safety
System
(75°C)
~
CH
(Central Heating) Over-heat Safety
System
(95°C)
~
High Water
Pressure
Protection
System
(3
bar)
~
Low
Water
Pressure
Protection
System
(0,8 bar)
~
Low
Voltage Protection
System
(185
VAC)
~
Thermal Accumalation Protection
System
(with by-pass circuit
and
"pump over-run")
~
Frost
Protection
System
(The
appliance
must
be
on
stand-by
mode
to
activate frost
protection system)
~
Pump Anti-sieze Function
~
3 Way Anti-sieze Function
(in
monothermic types)
~
Automatic
Air
Vent
~
Expansion
Vessel
5
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