Technical data
Technical data R3401 - R3405
5
R3401
R3402
R3403
R3404
R3405
Nominal heat output at 80-60ºC max/min
kW
656/164
733/183
857/213
971/242
1084/270
Nominal heat output at 75-60ºC max/min
kW
657/164
734/183
858/213
972/242
1085/270
Nominal heat output at 40/30ºC max/min
kW
663/181
741/202
867/236
981/268
1095/298
Nominal heat input Hi max/min*
kW
702/176
784/196
917/229
1038/260
1159/290
Efficiency at 80/60ºC
%
93.5
Efficiency at 40/30ºC
%
94.5
Annual efficiency (NNG 75/60ºC)
%
100.0
Annual efficiency (NNG 40/30ºC)
%
-
Standstill losses (T
water
= 70ºC)
%
0.2
Max. condensate flow
l/h
-
Gas consumption H-gas max/min (10,9 kWh/m
3
)
m
3
/h
64.5/16.2
71.9/18.0
84.1/21.0
95.2/23.8
106.3/26.6
Gas consumption L-gas max/min (8,34 kWh/m
3
)
m
3
/h
84.3/21.1
94.0/23.5
109.9/27.4
124.4/31.2
139.0/34.8
Gas consumption LPG. max/min (12,8 kWh/kg)
kg/h
54.9/13.8
61.2/15.3
71.6/17.9
81.1/20.3
90.5/22.6
Gas pressure H-gas
mbar
20
35
Gas pressure L/LL-gas
mbar
25
35
Gas pressure LPG
mbar
30/50
Maximum gas pressure
mbar
100
Flue gas temperature at 80/60ºC max/min
ºC
165/70
Flue gas temperature at 40/30ºC max/min
ºC
135/60
Flue gas quantity max/min*
m
3
/h
1423/356
1580/395
1848/462
2091/523
2334/584
CO
2
level main burner natural gas H/E/L/LL max/min
%
10.0/9.3
CO
2
level main burner liguid gas P max/min
%
11.0/11.0
CO
2
level pilot burner natural gas H/E/L/LL max/min
%
10.0/10.2
CO
2
level pilot burner liguid gas P max/min
%
11.0/11.2
NOx level max/min
mg/kWh
61.4/22.0
CO level max/min
mg/kWh
9.8/3.3
Max. permissible flue resistance max/min
Pa
150
Water volume
l
50
53
70
75
80
Water pressure max/min
bar
6/1
Max. water temperature (High limit thermostat)
ºC
100
Maximum temperature setpoint
ºC
90
Nominal water flow at dT=20K
m
3
/h
28.5
31.6
37.0
41.8
46.8
Hydraulic resistance at nominal water flow
kPa
46
53
36
43
50
Electrical connection
V
400
Frequency
Hz
50
Mains connection fuse
A
16
20
IP class
-
IP20
Power consumption boiler (excl. pump)
W
900
900
1270
1270
1270
Power consumption 3-step pump (optional)
W
Weight (empty)
kg
675
740
840
950
1070
Noise level at 1 meter distance
dB(A)
64
Ionisation current minimum
µA
6
PH value condensate
-
3.2
CE certification code
-
CE-0063AR3514
Water connections
-
DN65 PN16
DN80 PN16
Gas connection
-
R 2”
DN65 PN16
Flue gas connection
mm
300
350
400
Air intake connection (for room sealed use)
mm
250
300
355
Condensate connection
mm
40
980
1010
1020
1450
1500