8
Technical features and dimensions
2.1 - TECHNICAL FEATURES
The
ALKON 50 and ALKON 70
boilers are a thermals gas fired
units with an atmospheric fully pre-mixed burner.
They are supplied only in heating version.
These boilers have an input head power of:
176,000 Btu or 227,500 Btu (51,58 or 66,67 kW),
These boi-
lers are designed for use on gas category IV.
T
he ALKON boiler is supplied complete with all the safety
and control devices in accordance with all the current
regulations and its technical and functional features comply
with the regulations prescribed by:
ANSI Z21.13 / CSA 4.9 - Gas-fired low pressure
steam and hot water boilers
DESCRIPTION OF COMPONENTS AND FEATURES
:
•
Aluminium heat exchanger/condenser;
•
Fully premixed burner working at constant CO2;
•
Electronic ignition;
•
Safety high limit thermostat;
• Flow temperature sensor;
• Return temperature sensor;
•
Automatic air vent;
•
Drain condensate siphon
•
Control panel with electrical protection;
2
R
CH system return 1 ¼’’
M
CH flow system 1 ¼’’
G
Gas Inlet Ø ¾’’
Sc
Outlet condensate drain siphon (from aluminium body)
Scf Outlet condensate drain siphon (from the flue pipe)
SV
Safety valve outlet
A
Air intake
S
Flue Outlet
TECHNICAL FEATURES
AND DIMENSIONS
2.2 - DIMENSIONS
•
eBUS device;
•
CH temperature selector switch: 86 ÷176 °F (30 ÷ 80°C);
•
Flame modulation in function of the absorbed power;
•
Pump overrun function;
•
Additional functions : diagnostics of operation parameters
and troubles, antifreeze, technical functions and digital in-
dication of failures.
•
Constant combustion ratio
•
Self adapting output depending on the length of flue ducts
•
Pump (only ALKON 70)
•
Smoke pressure switch
OPTIONAL KITS:
•
Kit of manifold for additional safety devices
•
Krömschröder controller E8/Expansion modules and
modulating thermostats
(case for wall mounting)
•
Mixing bottle Kit
•
Chimney for single, battery or cascade mounting
•
Supporting frames
•
Kit of blind flanges and hydraulic manifolds
•
On
-Off pump for ALKON 50.
VIEW FROM ABOVE
VIEW FROM BELOW
24.2’’
(615 mm)
R
M
G
Sc
Scf
SV
A
S
10.5’’
(266 mm)
36.6’’
(930 mm)
16.9’’
(430mm)
4.2’’
(107 mm)
3.1’’
(78 mm)
7,1’’
(180mm)
3,1’’
(78 mm)
3,9’’
(100 mm)
5,2’’
(132 mm)
4,3’’
(110 mm)
4,3’’
(110 mm)
3,3’’
(85 mm)
3,1’’
(78mm)
5,3’’
(135mm)
4.9’’
(125 mm)
10.5’’
(266 mm)
7.0’’
(179 mm)
