7
Technical features and dimensions
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 35S R
with an output of 35 kW
ALKON 35S R
with an output of 28 kW
adjusted for 28 kW
CENTRAL H DOMESTIC HOT WATER PRODUCTION
ALKON 35S C
with an output of 35 kW
ALKON 35S C
with an output of 28 kW
adjusted for 28 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.
Moreover, the boilers of the
ALKON
range are classified as
“CONDENSING BOILERS” according to the Directive 92/42
CEE appendix 2 (4 stars) and appendix 6 (D.M 660).
2
TECHNICAL FEATURES AND DIMENSIONS
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;
-
Safety high limit thermostat;
-
Flow temperature sensor;
-
Return temperature sensor;
-
DHW temperature sensor (only on the ALKON 35S C
model);
-
Three speed circulating pump with air vent;
-
Expansion vessel;
-
Automatic air vent;
-
Low water pressure switch;
-
Control panel with electrical protection IP X4D;
-
Temperature water gauge;
-
Illuminating led indicator for: power On, CH demand, burner
ON, boiler lock-out, fault code display;
-
DHW temperature selector switch (only for the ALKON35S
C model);
-
CH temperature selector summer/winter position;
-
Reset/Chimneysweeper switch
-
Rapid DHW delivery switch RIRA (only for the ALKON 35S
C model);
-
Steel wall mounting template for system pipewor k
connections.
398
750
325,5
Sc
R
M
G
145
136
58
130
79
65 68
136
Position ALKON 35S R connections
Position ALKON 35S C connections
18
2
81
,5
1
41,
5
42 74
73,5
74 54
80,5
R
M
G
Sc
F
C
M C.H system flow
C DHW outlet
G Gas inlet
F
Cold water inlet
R C.H. system return
Sc Condensate drain
