B1Ka With One Heating Circuit - Viessmann B1KA Installation And Service Instructions Manual

Connections
Installation Examples
Vitodens 100-W, B1KA 35, 125 with one heating circuit
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
Vitodens 100-W
A
Room thermostat
B
C Heating circuit
D Outdoor temperature sensor (OTS)
30
Vitodens 100-W, B1HA/B1KA 26 to 125 Combi Installation/Service
(continued)
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.
Maximum Flow Rates
Model B1KA
Output
 t
30ºF (17ºC) rise
35ºF (19.5ºC) rise
40ºF (22ºC) rise
* Requires low loss header or closely spaced tees.
35, 125
MBH 117
GPM (L/h) 7.8 (1772)*
GPM (L/h) 6.7 (1522)*
GPM (L/h) 5.9 (1328)