Viessmann Vitodens 100-W B1HA 26Vitodens 100-W B1HA 35Vitodens 100-W B1KA 35 Installation And Service Instructions Manual page 66

Additional Information
Technical Data
Standard heating boiler
CSA input Natural gas (NG)
CSA input Liquid propane Gas (LPG)
1
CSA output/DOE
heating capacity NG
1
CSA output/DOE
heating capacity LPG
2
Net AHRI rating
Heat exchanger surface area
Min. gas supply pressure
Natural gas
LPG
Max. gas supply pressure
Natural gas and LPG
A.F.U.E.
Weight
Shipping weight
Boiler water content
Boiler max. flow rate
Max. operating pressure
(max. allowable working pressure)
at 210ºF (99ºC)
Boiler water temperature
- Adjustable high limit (AHL) range
- space heating (steady state)
- DHW production (set-point)
- Fixed high limit (FHL)
Boiler connections
Boiler heating supply and return
Pressure relief valve
DHW tank heating supply/return
DHW heating
Drain valve
Dimensions
Overall depth
Overall width
Overall height
1 Output based on 140ºF (60ºC), 120ºF (49ºC) system supply / return temperature.
2
Net AHRI rating based on piping and pick-up allowance of 1.15.
3
If the gas supply pressure exceeds the maximum gas supply pressure value,
a separate gas pressure regulator must be installed upstream of the heating system.
4
See "System Flow Rates" on pages 25 and 26 in this manual.
66
(continued)
Boiler Model No.
3
4
NPTM (male)
NPTF (female)
NPTM (male)
NPTM (male)
(male thread)
Vitodens 100-W, B1HA series & B1KA Combi Installation/Service
B1HA 26
MBH 21-94
kW 6.2-27.5
MBH 31-94
kW 9.1-27.5
MBH 20-87
kW 5.7-25.6
MBH 29-87
kW 8.4-25.6
MBH 76
2
ft. 12.96
2
m 1.2
"w.c. 4
"w.c. 10
"w.c. 14
% 95.0
lbs 79.4
kg 36
lbs 88.2
kg 40
USG 1.02
L 3.88
GPM 6.2
L/h 1400
psig 45
bar 3
ºF (ºC)
ºF (ºC)
ºF (ºC)
c in.
c in.
c in.
--
c in.
inches 15c
(mm) (400)
inches 15c
(mm) (400)
inches 30a
(mm) (768)
B1HA 35
21-125
6.2-36.6
31-125
9.1-36.6
20-116
5.7-34.1
29-116
8.4-34.1
101
12.96
1.2
4
10
14
95.0
79.4
36
88.2
40
1.02
3.88
6.2
1400
45
3
86 to 176 (30 to 80)
176 (80)
210 (99)
c in.
c in.
c in.
--
c in.
15c
(400)
15c
(400)
30a
(768)
B1KA 35
21-125
6.2-36.6
31-125
9.1-36.6
20-116
5.7-34.1
29-116
8.4-34.1
101
12.96
1.2
4
10
14
95.0
90.0
41
99.2
45
1.02
3.88
6.2
1400
45
3
c in.
c in.
--
b in.
c in.
15c
(400)
15c
(400)
30a
(768)