Grant Vortex Eco - Page 27

Electrical
27
Figure 8-4: System models with 2 x 2-port control system
Frost
T
hermostat
Pipe
T
hermostat
(if fitted)
R
oom Stat
Grey
White
Green/Yellow
Blue
Orange
C
ylinder
Stat
Mid Position
Z
one Valve
wiring centre
Supply to
burner
Boiler Terminal Block
S
upply to
Pump
2
40 V
5
0 Hz
L
134NL
N
E
LNELNE
1
1
2
2
1
1
C2
3
3
45678910
23456
ENL L
78910
E
N
L
L
L
N
E
Frost
Thermostat
Pipe
Thermostat
(if fitted)
Grey
Blue
Blue
T6160
Room Stat
Brown
Brown
Green/Yellow
Green/Yellow
Grey
Orange
Zone Valve Zone Valve
Motor Motor
DHWHTG
Orange
L641
Cylinder
Stat
wiring centre
Supply to
burner
Boiler Terminal Block
Supply to
Pump
240 V
50 Hz
L
13 4N L
NE
LNEL ENLLN E
1234 789105 6
12
21 1 C3
345678910
L
E
N
L
L
N
E
Figure 8-3: System models with 3-port valve control system