Grant 50/70 - Wiring Diagrams; Control Panel Wiring Diagram - Utility Models; Control Panel Wiring Diagram - System Models

42
Grant Vortex Indoor/Utility, System and Boiler House Oil Boilers
10 - WIRING DIAGRAMS
Control panel wiring diagram - Utility models
10.1
Control panel wiring diagram - System models
10.2
R
R
R
Limit
Thermostat
Control
Thermostat
2C
1
C
1A
2A
N
7
89
G/Y
G/Y
G/Y
Bl
Bl
Br
Br
Boiler
On/Off
LLENE
1011 12
PUMP
BURNER
5B
4B
G/Y
G/Y
Bl
123 546
CENTRAL HEATING
DHW -ON
BOILER FEED
Br
Br
Bl
R
DHW -OFF
13
Colour code: Br - Brown, Bl - Blue, R - Red, G/Y - Green/Yellow
Boiler
Terminal
Blocks
N
L
E
Bl
Br
G/Y
NL
CH
OFF
N
L
HW
OFF
CH
ON
HW
ON
Bl G/YBr
G/Y
BlBr
Br
E
L
N
L
E
N
Programmer/Timer
Mains Supply:
Use 2 pole isolator
with power ‘ON’ indicator
Note:
MUST
The factory fitted link between
terminals 1 & 4 be removed
when the plug-in programmer is
fitted to the control panel.
R
R
Y
G/Y
Control
Thermostat
CH
OFF
N
L
HW
OFF
CH
ON
HW
ON
Br
Boiler
On/Off
Bl
2A
4B
1A
Br
Br
5B
1
Bl
Limit
Thermostat
G/Y
Br
C
C
2
G/Y
Bl
BOILER FEED
4321
DHW -ON
CENTRAL HEATING
65 978
N
L
E
G/Y
BURNER
R
Br
10
DHW -OFF
N
L
E
Bl
Br
G/Y
NL
Colour code: Br - Brown, Bl - Blue, R - Red, G/Y - Green/Yellow
G/Y
Bl
Br
Boiler
Terminal Block
L
E
N
Programmer/Timer
Mains Supply:
Use 2 pole isolator
with power ‘ON’ indicator
Note:
MUST
The factory fitted link between
terminals 1 & 4 be removed
when the plug-in programmer is
fitted to the control panel.