27
5784 568 - 03
Vitodens 100-W, B1HA series & B1KA Combi Installation/Service
Connections
Installation Examples
(continued)
Vitodens 100-W, B1HA 26, 35 with one heating circuit
Legend
AV Air
vent
PRV Pressure relief valve
TPV Temperature and pressure relief valve
A
Vitodens
100-W
B
Room
thermostat
C
Heating
circuit
D
Expansion
tank
E
DHW storage tank
F
DHW tank temperature sensor
G
Outdoor temperature sensor (OTS)
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
Ensure that a pressure activated by-pass is installed if
there are system component(s) in
C
that may isolate the
flow to the pump
.
IMPORTANT
Model B1HA
26
35
Output MBH
88
117
t
30ºF (17ºC) rise GPM (L/h)
5.9 (1332) 7.8 (1772)*
35ºF (19.5ºC) rise GPM (L/h)
5.0 (1142) 6.7 (1522)*
40ºF (22ºC) rise GPM (L/h)
4.4 (999)
5.9 (1328)
* Requires low loss header or closely spaced tees.
