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Vitodens 100-W, B1HA series & B1KA Combi Technical Data
Installation
Maximum Flow Rates
Vitodens 100-W, B1KA 35, 125 with one heating circuit
Note:
The use of a low-loss header is recommended if the
water flow rate is less than 1.7 GPM (400 L/h) or
more than 6.2 GPM (1400 L/h).
The low-loss header is available as accessory part.
Built-in pump residual head for the heating system
side is 4.3 ft. of water column at the boiler
maximum flow rate of 6.2 GPM.
System Layout 4
Model B1KA
35, 125
Output MBH
117
t
30ºF (17ºC) rise GPM (L/h)
7.8 (1772)*
35ºF (19.5ºC) rise GPM (L/h)
6.7 (1522)*
40ºF (22ºC) rise GPM (L/h)
5.9 (1328)
* Requires low loss header or closely spaced tees.
Legend
AV Air
vent
PRV Pressure relief valve (boiler)
DPRV Pressure relief valve (DHW 150 psi)
WSE Water softener equipment
DHW Domestic hot water
DCW Domestic cold water
A
Vitodens
100-W
B
Room
thermostat
C
Heating
circuit
D
Outdoor temperature sensor (OTS)
