Installation Instructions

42 Appendix
Single zone
The evohome 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.
Honeywell S plan 2 two-port valves
There are two zone valves − one for stored hot water
one for central heating. The evohome 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.
If a system has been
set up and the Wireless
Relay Boxes are moved
to a new function, the
relay binding must
be cleared or it will
continue to carry out its
original function.
!
Figure 1 Single
zone system
Figure 2 Honeywell S plan
Sample evohome systems
Pump
DHW Heating
Radiators
DHW Cylinder
BOILER
Junction
Box
V4043 V4043
BDR91
Wireless
Relay Box
BDR91
Wireless
Relay Box
evohome
Central Controller
CS92A
Wireless
Cylinder
Thermostat
BOILER
Radiators
Pump
evohome
Central Controller
RFG100
Remote Access
Gateway
BDR91
Wireless
Relay Box