Technical Data, Dimensions and Water Connections
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We reserve the right to make any changes due to technical modifications!
Boiler Installation and Maintenance Manual SB735 • Issue 10/2003
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
3
Technical Data, Dimensions and Water Connections
Fig. 1
Technical Data, Dimensions and Water Connections
VK
= Boiler Supply Connection
RK1
= Low Temperature Return Connection
RK2
= High Temperature Return Connection
H*
= Boiler Height with Logamatic 2107/2109=H+6 inch
AKO
= Condensate Drain
EK
= Water Feed
EL
= Boiler Drain
M
= Sensing Port for Temperature Sensor
Ø
AA
= Vent Pipe Diameter
L
L
K
H
B
H
AA
Ø
AA
M
VK
RK
2
AKO
RK
1
EK/EL
Boiler Model
790
970
1200
Max. Input
[MBH]
2751
3378
4179
Max. Output
[MBH]
2605
3251
4079
IBR Net
[MBH]
2265
2827
3547
Thermal Efficiency
[%]
96.9
96.3
97.6
Combustion Efficiency
[%]
94.7
95.6
96.5
Length
L
Inch
91
½
108
¼
108
¼
Length
L
K
Inch
75
½
92
92
Hight
H
Inch
81 ¼
81 ¼
81 ¼
Width
B
Inch
54
54
54
Boiler Widthless Jacket
Inch
44 ¼
44 ¼
46 ¼
Vent Connection-Ø inside
Ø AA
Inch
14
14
14
Vent Height
H
AA
Inch
19
19
19
Weight
Lbs.
4330
5441
5534
Boiler supply
1. First Return Connection
VK
RK
1
Inch
Inch
4
4
5
5
5
5
2. Second Return Connection
RK
2
Inch
3
4
4
Boiler Drain/Water Feed
EK/EL
Inch
1½
1½
1½
Table. 2 Technical Data, Dimensions and Water Connections