Grant Spira Series - Wiring Diagrams

55
Figure 8-5: Boiler internal wiring diagram
8.6 Wiring Diagrams
1
N
Switched
Live
Permanent
Live
Door
Interlock
Door
Interlock
Flue Fan
Live
Flue Fan
Neutral
2
3
4
5
6
7
8
9
11
21
24
22
14
12
A1 A2
Relay
6B
3A
2A 5B
1A
4B
2 C
Limit
Thermostat
2 C
On/Off
Switch
Boiler Cleaning
Motor
L3 N L2 L1
L3 N L2 L1
L3 N L2 L1
L3 N L2 L1
Socket No 5Socket No 4
L1
N
T1
T2
S3
L1
N
T1
T2
S3
B4 L1 N
T1 T2
S3
B4
L1 N T1 T2
S3
L1 N T1 T2
S3
B4 L1 N T1 T2
S3
B4
Thermistor
N L
M
N
L
E
'Mains' Permanent Live Neutral Earth and Switch Live feed from Hopper
M
N
L
E
Fan Box Assembly
Plug from Hopper
REAR UPPER LEFT
HAND OF BOILER
(WHEN VIEWED
FROM THE FRONT)
BOILER CONTROL PANEL
BURNER BOX
REAR UPPER RIGHT
HAND OF BOILER
(WHEN VIEWED
FROM THE FRONT)
Flue Fan
Solenoid
Valve
Pellet Feed
Auger Motor
Plug No 3 (6 way)
Plug No 1 (7 way)
Plug No 2 (7 way)
Plug No 4 (5 way) Plug No 5 (5 way)
On/On
Switch
Momentary
one side
Earth Studs Earth Studs Earth Studs
BOILER CASING
LINK
Green/Yellow
Green/Yellow
Green/Yellow
Green/Yellow
Green/Yellow
Blue
Blue
Blue
Blue
Blue
Blue
Blue
Brown
Red
Red
Red
Black
Black
Brown
Brown
Green/Yellow
Blue
Brown
Black
Black
Black
Brown
Blue
GY
Black
Black
Brown
Blue
Green/Yellow
Blue
Blue
Blue
Blue
Blue
Blue
Blue
Blue
Green/Yellow
Green/Yellow
Green/Yellow
Green/Yellow
Black
Brown
Brown
Brown
Brown
Brown
Brown
Blue
Green/Yellow
Blue
Green/Yellow
Green/Yellow
Green/Yellow
Black
Black
Brown
Black
Black
Black
Black
Brown
Brown
Brown
Black
Black
BrownRed
Red
1 3
Burner
Door
Isolation
Switch
COM NO
Black
Red
Brown
(For more information)
See Figure 12-5: p66