Viessmann Vitodens 200-W B2HA 88 Technical Data Manual page 44

Installation Examples
System Layout 9
Vitodens 200-W, B2HA/B2HB with...
- DHW storage tank
- low-loss header
- three zone circuits
Legend
A Vitodens 200-W boilers
DHW storage tank
B
DHW pump [output 21]
C
D Boiler pump [output 20]
Low-loss header
E
F Thermostat zone circuits 1, 2, 3
G Zone circuit 1 [output 157]
AM1 extension module (accessory)
H
I Zone circuit 2 [output A1 - AM1 extension module]
Zone circuit 3 [output A2 - AM1 extension module]
J
Outdoor temperature sensor
K
L DHW sensor
Supply temperature sensor
M
44
L
Vitodens 200-W B2HA 88-150, 311- 530 Technical Data
K
M
Installation of different heating circuits...
DHW production
■
■ 3 zone circuits
... with the following flow conditions:
The total flow rate of the DHW and zone circuits is
greater than the maximum possible water flow rate of the
Vitodens 200-W B2HA/B boiler.
The use of a low-loss header is strongly recommended.
The low-loss header is available as accessory part.