157
Gas boiler, type B and C, category II
2N3P
Rated heating output range (data according to VDI
4650 Part 2)
T
F
/T
R
35/28 °C
kW
1.8 to 11.0
1.8 to 16.7
T
F
/T
R
55/45 °C
kW
1.8 to 10.3
1.8 to 15.0
Geothermal energy as natural heat source
Design cooling capacity for pipework
kW
2.0
2.0
Design cooling capacity for geothermal probe
kW
1.25
1.25
Design temperature
°C
4
4
Design spread
K
2
2
Primary circuit flow rate (operated with Tyfocor)
l/h
883
883
Primary circuit flow rate (operation with water)
l/h
866
866
Connections
(with connection accessories)
Boiler flow and return
R
¾
¾
Brine flow and return
G
¾
¾
Cylinder flow and return
R
¾
¾
Dimensions
Length
mm
596
596
Width
mm
600
600
Height
mm
1875
1875
Minimum installation room height
mm
2200
2200
Gas connection
(with connection accessories)
R
½
½
Supply values
relative to the max. load
■
Natural gas E
m
3
/h
1.60
1.60
■
Natural gas LL
m
3
/h
1.86
1.86
■
LPG P
kg/h
1.18
1.18
Flue gas parameters
Flue gas category to G 636
G
61
G
61
Temperature (at 30 °C return temperature)
■
At rated heating output
°C
30
30
■
At partial load
°C
30
30
Temperature (at 60 °C return temperature)
°C
60
60
Mass flow rate
Natural gas
■
At max. heat input
kg/h
27.1
27.1
■
At partial load
kg/h
5.4
5.4
LPG
■
At max. heat input
kg/h
25.7
25.7
■
At partial load
kg/h
5.1
5.1
Available draught
Pa
160
160
mbar
1.6
1.6
Max. condensate volume
according to DWA-A 251
l/h
2.1
2.1
Condensate connection (hose nozzle)
Ø mm
20 to 24
20 to 24
Flue gas connection
Ø mm
60
60
Ventilation air connection
Ø mm
100
100
Max. sound power level
dB(A)
45.7
45.7
Energy efficiency class
A
+
A
+
Specification
Specification
(cont.)
5678 044 GB
Appendix
Summary of Contents for D2RA
Page 113: ...113 Maintenance Checking the Vitotronic 200 H accessories cont 5678 044 GB Maintenance ...
Page 133: ...133 Parts lists Sorption module hydraulics cont 5678 044 GB Components ...
Page 136: ...136 0001 0002 0003 0004 0005 Fig 83 Parts lists Miscellaneous 5678 044 GB Components ...
Page 163: ...163 5678 044 GB ...
