Viessmann VITOGAS 100 Technical Data Manual page 7

Boiler/Tank Compatibility
Support bars may be required when
mounting a Vitogas 100, GS1 boiler on a
Viessmann Vitocell-H Series tank.
Refer to the following chart to determine
whether support bars are required for your
application.
Boiler/Tank Compatibility
Vitogas 100
GS1-22/-29
GS1-35
GS1-42
GS1-48
GS1-60
Order No. = Support bars are required.
z =
Support bars are not required. Boiler/tank are directly compatible.
n.a. = Boiler/tank are incompatible. Neither mounting with support bars, nor direct-mounting possible.
Waterside Flow (primary circuit)
20 50
16 40
12 30
8 20
4 10
3.2 8
2.4 6
2.0 5
1.6 4
1.2 3
0.8 2
0.4 1
Water flow
GS1-22
GS1-29
GS1-35 and -42
GS1-48 and -60
Order numbers are listed for boiler/tank
combinations requiring support bars.
Certain boilers (listed with a "z" in the
chart) are directly compatible with the
Vitocell-H tank and thus do not require
additional hardware.
Vitocell-H 100
DHW storage tank
CHA-160 CHA-200
z z
z z
n.a. z
n.a. n.a.
n.a. n.a.
ltr/h
GPM
Combinations listed with "n.a." are
incompatible. Do not attempt to install these
combinations.
For more information see Viessmann Price
List.
EHA-160 EHA-200
z
z
n.a.
n.a.
n.a.
Typical Flow Rates
GS1
Boiler Model
20°F rise GPM
3
m /h
30°F rise GPM
3
m /h
Use standard friction loss method for pipe sizing.
Technical Data
Vitocell-H 300
DHW storage tank
EHA-350
n.a.
z
z z
z z
n.a.
z
n.a. n.a.
-22 -29 -35 -42
7.5 9.8 12.3 14.0 16.1
1.7 2.2 2.8 3.2
5.0 6.5 8.2 9.3 10.7
1.1 1.5 1.9 2.1
EHA-450
n.a.
n.a.
n.a.
Z001 060
n.a.
-48 -60
24
3.6 5.4
16.0
2.4 3.6
7