TECHNICAL DATA
14
Model identifier(s):
Type
‐
Category
‐
Gastype:
Symbol
G25/
G25.3*
G20
G31
Unit
Indirect heating functionality
No
No
No
‐
Direct heat output
6,8
7,3
7,2
kW
Indirect heat output
‐
‐
‐
kW
Space heating emissions NO
x
113,3
114,9
99,0
mg/kWh
input
(GCV)
Heat output
Nominal heat output
P
nom
6,8
7,3
7,2
kW
Minimum heat output (indicative)
P
min
1,9
2,0
2,0
kW
Technical data
Nominal heat input (Hs)
8,6
9,1
8,7
kW
Nominal heat input (Hi)
7,7
8,2
8,0
kW
Consumption max
925
858
322
l/h
Consumption min
278
259
97
l/h
Burner pressure max
12,9
10,6
29,0
mbar
Burner pressure min
1,3
1,2
2,7
mbar
Main burner injector
ø2,6
ø2,6
ø1,6
mm
Low setting injector
1,30
1,30
0,90
mm
Efficiency class (EN613)
1
1
1
‐
Useful efficiency (NCV)
Useful efficiency at nominal heat output
η
th,nom
88,3
89,1
90,0
%
Useful efficiency at minimum heat output (indicative)
η
th,min
80,8
83,5
83,7
%
Auxiliary electricity consumption
At nominal heat output
el
max
‐
‐
‐
kW
At nominal heat output
el
min
‐
‐
‐
kW
In standby mode
el
SB
‐
‐
‐
kW
Permanent pilot flame power requirement
Pilot flame power requirement (if applicable)
P
pilot
‐
‐
‐
kW
Energy efficiency
Energy efficiency index
EEI
88
89
90
Energy efficiency class
A
A
A
No
No
Yes
Yes**
Yes**
Yes**
Yes**
Yes**
Yes**
DVS2‐01Opéra DVS 2‐01
With electronic room temperature control plus day timer
With electronic room temperature control plus week timer
* This appliance is suitable for G25.3 with the composition according NTA 8837.
**These functions only apply in combination with the separately available "Eco control pack".
Room temperature control, with presence detection
Room temperature control, with open window detection
With distance controle option
Type of heat output / room temperature control
Other control options (multiple selections possible)
Single stage heat output, no room temperature control
Two or more manual stages, no room temperature control
With mechanic thermostat room temperature control
With electronic room temperature control
C11
II
2EK3P
/II
2E+3P
/II
2H3P
/
II
2E3P
/I
2ELL
/I
3P
