Viessmann B1KA Installation And Service Instructions Manual page 71

Vitodens 100-W, B1HA/B1KA 26 to 125 Combi Installation/Service
Technical Data
Standard heating boiler
Boiler Model No.
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 4
Max. operating pressure
(max. allowable working pressure)
at 210ºF (99ºC)
Boiler water temperature
- Adjustable high limit (AHL) range
- space heating (steady state)
- 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.
(continued)
3
ºF (ºC)
ºF (ºC)
NPTM (male)
NPTF (female)
NPTM (male)
NPTM (male)
(male thread)
inches
inches
inches
B1HA 26, 94
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
c in.
c in.
c in.
--
c in.
15c
(mm) (400)
15c
(mm) (400)
30a
(mm) (768)
Additional Information
B1HA 35, 125 B1KA 35, 125
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)
210 (99)
c in.
c in.
c in.
--
c in.
15c
(400)
15c
(400)
30a
(768)
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)
71