Honeywell evohome Installation Manual page 44

P42
Sample evo systems
Figure 1 Single
zone system
Figure 2 Honeywell S plan
Appendix
Single zone
The Central Controller is the sensor for the whole home which
is controlled to the same time and temperature schedule.
This system also includes wireless connectivity,
which is available for any configuration.
evohome
Central Controller
BDR91
BOILER
Honeywell S plan 2 two-port valves
There are two zone valves − one for stored hot water one
for central heating. The Central Controller is the sensor
for the whole home which is controlled to the same
time and temperature schedule. The valves open when
needed. The boiler is operated via a wired junction box.
evohome
Central Controller
CS92A
DWH Cylinder
Pump
DWH
BDR91 BDR91
Junction
Box
V4043 V4043
Pump
BOILER
Radiators
Heating
Radiators