System Layout 5 - Viessmann B1KE Combi Series Installation And Service Instructions Manual

Vitodens 100-W, B1HE/B1KE Combi Installation/Service

System Layout 5

Vitodens 100-W, B1KE 120, 199 with...
- low-loss header
- one heating circuit
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
Vitodens 100-W gas-fired condensing boiler
A
External boiler controller with room
B
thermostat connection (field supplied)
Heating circuit
C
Heating circuit pump
D
E Low-loss header (there is no LLH temperature
sensor available for the B1KE)
Outdoor temperature sensor
F
DHW tempering valve (field supplied)
G
Domestic water sediment filter (field supplied)
H
Maximum Flow Rates
Model B1KE
Output
 t
30ºF (17ºC) rise
35ºF (19.5ºC) rise
40ºF (22ºC) rise
* Requires low loss header or closely spaced tees.
P2
MBH
GPM (L/h)
GPM (L/h)
GPM (L/h)
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.
120
113
7.5 (1703)*
6.5 (1476)*
5.7 (1295)
Installation
199
187
12.5 (2839)*
10.7 (2430)*
9.4 (2135)
37