Individual Room Wiring Diagram
2 Links fitted to board as standard
1. Time Switch 2. Zone Valve
The Time Switch link should NOT be removed
The Zone Valve link SHOULD be removed on installation of a
Zone Valve
Boiler Connections
1. Multiple Zone Valves on System
When a System has zone valves in
addition to the one connected to this
unit, e.g. other UFH manifolds, hot
water, etc., link the incoming live to
the volt free on as shown to prevent
back feed. (diagram 1)
2. One Zone Valve on System
Where the zone valve connected to
the unit is the only zone valve on the
system connection can be made
directly to the boiler. (diagram 2)
Diagram 1
Diagram 2
▼
Boiler
Connection
detail
230v Supply from
Main Heating
Isolator
Programmable Room Stat.
Common
Demand
