Viessmann Vitodens 100-W WB1B Series Installation And Service Instructions Manual page 45

Vitodens 100-W, WB1B Installation & Service
Installation Examples
Vitodens 100-W, WB1B 10-26, 10-35 with...
- CombiPLUS Kit
- low-loss header
- one heating circuit
Legend
AV Air vent
PRV Pressure relief valve (boiler)
PRV* Pressure relief valve (DHW 150 psi)
WSE Water softner equipment
A
Vitodens 100-W gas-fired condensing boiler
B
External boiler / system controller (field supplied)
C
Heating circuit
D
Heating circuit pump (field supplied)
E
CombiPLUS
F
LLH
G
Expansion tank
(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.
Maximum Flow Rates
Model WB1B
∆ t
Output Btu/h
30° F rise (GPM)
35° F rise (GPM)
40° F rise (GPM)
Connections
26 35
83,000 108,000
5.5 ---
4.7 6.2
4.2 5.4
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