Grant Vortex - Page 25

Page 25
! NOTE !
* Links and connector (to link Neutral wires) to be supplied
and fi tted by installer.
! WARNING !
DO NOT connect N (Neutral) to any terminals on either
thermostat.
Section 8: Electrical
2-Port Zone Valve
Motor
Room
Stat
2 1 3
230V
50HZ
L N E
5A
2-Port Zone Valve
Motor
12345678910
HTG
HW
Wiring
Centre
Grey
Grey
Orange
Orange
Brown
Blue
Green/Yellow
Green/Yellow
Brown
Blue
Brown
Blue
Green/Yellow
Cylinder
Stat
1
C
2
Blue
Green/Yellow
Brown
E
N
L
Link
Pump
N
2-Channel
Programmer
L
Frost
Thermostat
Pipe Stat
(If fitted)
OFFOFF ON ON
HW HT HW HT
Overheat
Stat
1
C
2
Control
Stat
1
C
2
Link
Burner
L N E
Earth Stud on
top of Boiler
Green/Yellow
Blue
Brown
Blue
Green/Yellow
Refer to Figure 8-3 for connection details
Figure 8-2: 2 x 2-port valve control system