Grant Vortex Eco 21/26 - 4.10 Boiler Location; 4.11 Water Connections

24
8.3 Control System Wiring Diagrams
Figure 8-1: CH and HW controlled by two 2-port zone valves
Figure 8-2: CH and HW controlled by 3-port mid position zone valve
2-Port Zone Valve
Motor
Room
Stat
2 1 3
N
Grant 2-Channel
Wall Mounted
Programmer ESKIT
240V
50HZ
L N E
5A
2-Port Zone Valve
Motor
1 2 3 4 5 6 7 8 9 10
HTG
HW
L 1 2 3 4
Pipe Stat
(If fitted)
Pump
Wiring
Centre
Grey
Grey
Orange
Orange
Brown
Blue
Green/Yellow
Green/Yellow
Brown
Blue
Brown
Blue
Green/Yellow
Blue
Green/Yellow
Brown
Link
OFF OFF ON ON
HW HT HW HT
Cylinder
Stat
1
C
2
E
N
L
L
1
2
3
4
5
6
7
8
9
10
11
12
13
L
N
E
L
N
E
L
N
E
E
N
L
Blue
Green/Yellow
Brown
Pump (System boiler only)
Boiler Terminal Block
(Remove link 5 to 6
when pipe stat fitted)
N
Grant 2-Channel
Wall Mounted
Programmer ESKIT
240V
50HZ
L N E
5A
1 2 3 4 5 6 7 8 9 10
L 1 2 3 4
Pipe Stat
(If fitted)
Pump
Wiring
Centre
Green/Yellow
Brown
Blue
Blue
Green/Yellow
Brown
Link
OFF OFF ON ON
HW HT HW HT
E
N
L
L
1
2
3
4
5
6
7
8
9
10
11
12
13
L
N
E
L
N
E
L
N
E
E
N
L
Blue
Green/Yellow
Brown
Pump (System boiler only)
Boiler Terminal Block
(Remove link 5 to 6
when pipe stat fitted)
Cylinder
Stat
Grey
Orange
3-Port Mid Position
Zone Valve
Motor
Blue
Green/Yellow
1
C
2
White
13k
2W
270k
0.25W
Room
Stat
2 1 3
Link