7
Technical features and dimensions
2.1 -
TECHNICAL FEATURES
The
ALKON
boiler is a thermal gas fired unit with an
atmospheric fully pre-mixed burner.
These boilers are designed for use on the 2
nd
family gas
category II
2H3P
.
Range of models available:
ONLY CENTRAL HEATING PRODUCITON
ALKON 09 R 18
with an output of 18 kW
;
ALKON 09 R 24
with an output of 24 kW
;
CENTRAL H DOMESTIC HOT WATER PRODUCTION
ALKON 09 C 18
with an output of 18 kW
;
ALKON 09 C 24
with an output of 24 kW
;
The ALKON boilers are supplied complete with all the safety
and control devices in accordance with all the current
regulations. Their technical and functional features comply
with the regulations prescribed by the law No. 1083 dated 06/
12/1971, concerning safety and use of combustible gas and
with the requirements prescribed in the law No. 10 dated 09/
01/1991 and any subsequent amendments – Gas Directive
90/396 CEE – Efficiency Directive 92/42 CEE –
Electromagnetic Compatibility Directive 89/336 CEE – Low
Voltage Directive 73/23 CEE.
2
2.2 - DIMENSIONS
DESCRIPTION OF COMPONENTS AND FEATURES
•
Aluminium heat exchanger/condenser;
•
Electronic ignition;
•
Flame modulation in function of the absorbed power;
•
Minimum heat output adjustment in CH mode;
•
Electronic adjustment of the ignition ramp;
•
Electronic frost protection mode;
•
Pump overrun function;
•
Pump overrun function
•
Safety thermostat;
•
Flow temperature sensor;
•
Return temperature sensor;
•
DHW temperature sensor (only on the ALKON 09 C mo-
del);
•
Three speed circulating pump with air vent;
•
Expansion vessel;
•
Automatic air vent;
•
Low water pressure switch;
•
Control panel with electrical protection IP X4D;
•
Hydrometer
•
D.H.W. temperature adjusting knob (only for model ALKON
09 “C”); position ECO(nomiser) or position FAST TEMPE-
RATURE INCREASING SYSTEM
•
CH temperature selector summer/winter position;
•
Push button for Reset/Calibration/Diagnostics;
•
Paper wall mounting template for system pipework con-
nections.
M
C.H system flow (3/4“)
C
DHW outlet (1/2“)
G
Gas inlet (3/4“)
F
Cold water inlet (1/2“)
R
C.H. system return (3/4“)
Rc
Filling valve
Vs
Safety valve discharge
Sc
Condensate evacuation
Si
C.H. system drain valve
Moreover, the boilers of the
ALKON 09
range are classified as
“CONDENSING BOILERS” according to the Directive 92/42
CEE appendix 2 (4 stars) and appendix 6 (D.M 660).
237
70
108,5
311,5
237
70
108,5
311,5
237
70
108,5
311,5
237
70
108,5
311,5
237
70
108,5
311,5
237
70
108,5
311,5
237
70
108,5
311,5
10
7
43 56 60
130
70 61
420
C
F
G
Rc
R
M
Vs
Sc
Si
TECHNICAL FEATURES AND DIMENSIONS
VIEW FROM ABOVE
VIEW FROM BELOW
Summary of Contents for ALKON R 18
Page 1: ...ALKON 09 R 18 C 18 R 24 C 24 00333176 2nd edition 10 2011 INSTALLATION AND SERVICING MANUAL...
Page 46: ......
Page 47: ......
