System Layout 1 - Viessmann VITODENS 200-W B2HE 85 Installation Instructions Manual

Vitodens 200-W B2HE 85, 120, 150, 199 Installation

System Layout 1

Vitodens 200-W, B2HE with a direct-connected heating circuit
Legend
A Vitodens 200-W B2HE boiler with integrated
outdoor reset control, and variable speed boiler pump.
B Outdoor temperature sensor !
C Vitotrol remote (optional)
D Heating circuit
E DHW storage tank
F DHW tank temperature sensor %
G Expansion tank
H DHW recirculation pump
I Temperature and pressure relief valve
J Pressure relief valve
* Based on system configuration set using the
commissioning assistant.
*
P2
Installation of ...
radiator heating circuit (high-temp. circuit)
■
DHW production
■
... with the following flow conditions:
The flow rate of the heating circuit is less than the
maximum possible water flow rate of the Vitodens 200-W
B2HE boiler (see pages 37 and 38 for maximum water
flow rate of boiler).
The use of a low-loss header is strongly recommended if
the maximum water flow rate in the application concerned
exceeds the values shown in the applicable table on pages
37 and 38, or if the system flow rates are unknown.
The low-loss header is available as accessory part.
See following pages for installation examples with a low-
loss header.
Installation Examples
39