Grant Vortex Pro - Page 27

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Figure 8-3: System models with 3-port valve control system
Cylinder
Stat
1
C 2
L N E
240 V
50 Hz
Room
Stat
2 1 3
3-Port
Mid Position
Zone Valve
Blue
Green/Yellow
White
Grey
Orange
Frost
Thermostat
Pipe
Thermostat
(if fitted)
Wiring Centre
1 2 3 4 5 6 7 8 9 10
1 3 4 N L
Pump
Burner
E
L
N
N
L
E
1 2 3 4 5 6
L N E
7
8 9 10
11 12
13
L N E L N E
Boiler
Terminal Blocks
Remove link 1 to 4 when
plug-in programmer is fitted
Grant 2-Channel
Wall Mounted Programmer
(Ref. ESKIT)
Electrical
Figure 8-4: System models with 2 X 2-port valve control system
L N E
240 V
50 HZ
Frost
Thermostat
Pipe
Thermostat
(if fitted)
Wiring Centre
1
2
3
4 5 6 7 8 9 10
1 3 4 N L
Cylinder
Stat
1
C
Room Stat
2 1
3
Pump
Burner
E
L
N
N
L
E
2-port
Zone Valve
Motor
HTG
2-port
Zone Valve
Motor
DHW
Grey
Blue Blue
Brown
Brown
Green/Yellow
Green/Yellow
Orange
Orange
Grey
1 2 3 4 5 6
L N E
7
8 9 10
11 12
13
L N E L N E
Boiler
Terminal Blocks
Remove link 1 to 4 when
plug-in programmer is fitted
Grant 2-Channel
Wall Mounted Programmer
(Ref. ESKIT)