Honeywell Y Plan 1 Three-Port Mid-Position Valve - Honeywell evohome Installation Manual

!
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.
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.
evohome Installation Guide
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.
Wireless
Relay Box
evohome
Central Controller
CS92A
Wireless
Cylinder
Thermostat
Relay Box
evohome
Central Controller
CS92A
Wireless
Cylinder
Thermostat
BDR91
DHW Heating
Junction
Box
V4073
Pump
BDR91
DHW
Wireless
Junction
Box
V4043
Pump
43
BDR91
Wireless
Relay Box
HR92
Radiator
Controller