Boiler type
CALORA TOWER
GAS 15S EX
CALORA TOWER
GAS 25S EX
CALORA
TOWER GAS
35S EX
General
Nominal output (Pn)
Heating System (80/60 °C)
minimum-
maximum
kW
3,0 - 14,9
5,0 - 24,8
6,3 - 34,8
Nominal output (Pn)
Heating System (50/30 °C)
minimum-
maximum
kW
3,4 - 15,8
5,6 - 25,5
7,0 - 35,9
Nominal output (Pn)
Heating System (40/30 °C)
minimum-
maximum
kW
3,4 - 16,0
5,6 - 25,9
7,0 - 36.4
Nominal input (Qn)
Heating System (Hi)
minimum-
maximum
kW
3,1 - 15,0
5,2 - 25,0
6,5 - 35,1
Nominal input (Qn)
Heating System (Hs)
minimum-
maximum
kW
3,4 - 16,7
5,8 - 27,8
7,2 - 39,0
Nominal input (Qnw)
DHW System (Hi)
minimum-
maximum
kW
3,1 - 15,0
5,2 - 29,3
6,5 - 35,1
Nominal input (Qnw)
DHW System (Hs)
minimum-
maximum
kW
3,4 - 16,7
5,8 - 32,6
7,2 - 39,0
Heating efficiency under full
load (Hi) (80/60 °C)
-
%
99,3
99,2
99,1
Heating efficiency under full
load (Hi) (50/30 °C)
-
%
105,3
102,0
102,2
Heating efficiency under partial
load (Hi) (Return temperature
60°C)
-
%
94,9
96,1
96,3
Heating efficiency under partial
load (EN 92/42) (Return
temperature 30°C)
-
%
110,2
110,1
110,6
Data on the gases and combustion gases
Gas consumption - Natural gas
H (G20)
minimum-
maximum
m
3
/h
0,33 - 1,59
0,55 - 3,10
0,69 - 3,71
Gas consumption - Natural gas
L (G25)
minimum-
maximum
m
3
/h
0,38 - 1,85
0,64 - 3,61
0,80 - 4,32
Gas consumption - Propane
G31
minimum-
maximum
m
3
/h
0,13 - 0,61
0,21 - 1,20
0,27 - 1,44
Mass flue gas flow rate
minimum-
maximum
kg/h
5,3 - 25,2
8,9 - 49,3
11,1 - 57,3
Flue gas temperature
minimum-
maximum
°C
30 - 65
30 - 80
30 - 75
Maximum counter pressure
Pa
80
130
140
Characteristics of the heating circuit
Water content (ex expansion
vessel)
l
1,9
1,9
2,5
Water operating pressure
minimum
kPa (bar
(MPa))
80 (0,8)
80 (0,8)
80 (0,8)
Water operating pressure
(PMS)
maximum
kPa (bar
(MPa))
300 (3,0)
300 (3,0)
300 (3,0)
Water temperature
maximum
°C
110
110
110
Operating temperature
maximum
°C
90
90
90
Electrical characteristics
Power supply voltage
VAC
230
230
230
Power consumption - Full load
maximum
W
101
116
132
Electrical protection index
IP21
IP21
IP21
Other characteristics
Weight (empty)
kg
56
59
59
3. Technical specifications
CALORA TOWER GAS 15S EX CALORA TOWER GAS 25S EX
CALORA TOWER GAS 35S EX
12
22/04/2016 - 300026141-001-07
