B1Ha With One Heating Circuit - Viessmann Vitodens 100-W B1HA 26 Installation And Service Instructions Manual

Vitodens 100-W, B1HA/B1KA 26 to 125 Combi Installation/Service
Installation Examples
Vitodens 100-W, B1HA 26, 35, 94, 125 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
Heating circuit
C
Expansion tank
D
E DHW storage tank
F DHW tank temperature sensor
Outdoor temperature sensor (OTS)
G
Maximum Flow Rates
Model B1HA
Output MBH
 t
30ºF (17ºC) rise GPM (L/h)
35ºF (19.5ºC) rise GPM (L/h)
40ºF (22ºC) rise GPM (L/h)
* Requires low loss header or closely spaced tees.
(continued)
26, 94 35, 125
88 117
5.9 (1332) 7.8 (1772)*
5.0 (1142) 6.7 (1522)*
4.4 (999) 5.9 (1328)
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.
IMPORTANT
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.
Connections
27