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5784 568 - 03
Vitodens 100-W, B1HA series & B1KA Combi Installation/Service
Additional Information
Technical Data
(continued)
*1
DCW and DHW temperature rise would be proportional. Maximum DHW supply temperature is 140ºF (60ºC).
B1KA on demand hot water operation
Boiler Model No.
B1KA 35
Max. Input NG and LPG
(DHW production only)
MBH
kW
149
43.7
Max. boiler temperature
(during DHW production)
ºF (ºC)
176 (80)
DHW supply temperature
ºF (ºC)
140 (60)
Continuous draw rate *
1
at
t= 77ºF (43K)
USG/min.
L/h
3.3
750
Max. flow through heat exchanger
USG/min.
L/h
3.7
840
Maximum allowable working pressure
(potable water)
psi
150
Test pressure
psi
300
Integrated pump flow rate
DHW production @ 23 ft. (9.8 m)
Head pressure
Heating system operation
with system side additional
drop in pressure of max. 6 ft. of water (1.8 m)
USG/min.
L/h
USG/min.
L/h
5.63
1278
6.2
1408
