User manual

Honeywell Y plan 1 three-port
mid-position valve
The operation is identical to the S plan but it uses
a single three-port or mid position valve.
If a system has been set up
and the relays are moved
to a new function, the relay
binding must be cleared or
it will continue to carry out
its original function.
!
Pump
DWH Heating
Radiators
DWH Cylinder
BOILER
Junction
Box
BDR91 BDR91
CS92A
V4073
evohome
Central Controller
Pump
DWH
Radiators
DWH Cylinder
BOILER
Junction
Box
BDR91
CS92A
V4073
evohome
Central Controller
HR92
Figure 3 Honeywell Y plan
Figure 4 Stored hot
water and zoned heating
system. This system needs
HR92s or other zoning
solutions for the radiators.
P43 evohome Installation Guide