Supplied By www.heating spares.co Tel. 0161 620 6677
30
FUNCTIONAL DIAGRAM
8.4.1. “S” - Plan with Vokera 2-channel programmer
8.4.2. “Y” - Plan with Vokera 2-channel programmer
Fig. 39
Fig. 40
N
E
L
N
E
L
OFF
Wiring Centre or Junction Box
3-Port Motorised Valve
Grey
Orange
White
Blue
Green/Yellow
Room Thermostat
Cylinder Thermostat
Boiler & programmer
connections
Boiler & programmer
connections
Wiring Centre
or Junction Box
Cylinder Thermostat
green-yellow
blue
brown
orange
grey
green-yellow
blue
brown
orange
grey
Room Thermostat
Common
Calling
Load
Live
REMOVE LINK WIRE
REMOVE LINK WIRE
Wiring Centre
or Junction Box
Calling
Satisfied
Common
Cylinder Thermostat
Load
Live
Room Thermostat
3-Port
Motorised Valve
Grey
Orange
White
Blue
Green-Yellow