System Layout 4 - Viessmann B1KE Combi Series Installation And Service Instructions Manual

Installation

System Layout 4

Vitodens 100-W, B1KE 120, 199 with
- one heating circuit
connected directly to the boiler
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 thermostat
B
connection (field supplied)
Heating circuit
C
Outdoor temperature sensor
D
E DHW tempering valve (field supplied)
Domestic water sediment filter (field supplied)
F
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.
36
MBH
GPM (L/h)
GPM (L/h)
GPM (L/h)
Vitodens 100-W, B1HE/B1KE Combi Installation/Service
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)
199
187
12.5 (2839)*
10.7 (2430)*
9.4 (2135)