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Vitodens 100-W, B1HE/B1KE Combi Installation/Service
System Layout 5
Installation
Maximum Flow Rates
Vitodens 100-W, B1KE 120, 199 with...
- low-loss header
- one heating circuit
Model B1KE 120 199
Output MBH 113 187
t
30ºF (17ºC) rise GPM (L/h) 7.5 (1703)* 12.5 (2839)*
35ºF (19.5ºC) rise GPM (L/h) 6.5 (1476)* 10.7 (2430)*
40ºF (22ºC) rise GPM (L/h) 5.7 (1295) 9.4 (2135)
* Requires low loss header or closely spaced tees.
Note: Refer to the residual head curves on page 32.
The use of a low-loss header is recommended if
the water flow rate is above or below the operating
range.
The low-loss header is available as accessory part.
Legend
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 gas-fired condensing boiler
B External boiler controller with room
thermostat connection (field supplied)
C Heating circuit
D Heating circuit pump
P2
E Low-loss header (there is no LLH temperature
sensor available for the B1KE)
F Outdoor temperature sensor
G DHW tempering valve (field supplied)
H Domestic water sediment filter (field supplied)
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