HAMWORTHY HEATING LTD
WESSEX-HE 200 BOILER
500001008/K
Figure No. 5 - Wiring Diagram – Wessex-HE 200
25
500011109/E
Colour Code:-
WESSEX 200 HE SCHEMATIC WIRING DIAGRAM
XII Gas Valve 1
XIII Gas Valve 2
XIV Pilot Gas Valve
XV High Temperature - 230V Signal
XVI Remote Start/Stop Link
XVII Fan Motor
XVIII Boiler 'ON/OFF' Switch
XIX Lockout - 230V Signal
XX Boiler 'ON' Indicator (Green)
XXI Ignition Transformer
Bk - Black
Bl - Blue
Br - Brown
Gy - Grey
Pk - Pink
Rd - Red
Vt - Violet
Wh - White
Ye - Yellow
Gr/Ye - Green/Yellow
Rd/Bl - Red/Blue
Wh/Rd - White/Red
I Power 'ON' Lamp (Red)
II Temperature Limiter
III Control Thermostat
IV EMC Filter
V 2A Fuse
VI Sequence Controller (inc. Layout)
VII Gas Pressure Switch, if fitted
VIII Probe Test Link Terminal
IX Flame Probe
X Motor Capacitor
XI Air Pressure Switch
Vt
XIX
XV
Gy
Pk
Br
Br
Bk
Bk
Pk
Pk
Rd/Bl
Ye
Gr/Ye
Br
XXI
XX
Bl
Br
Gr/Ye
Wh
Wh/Rd
Bl
Gr/Ye
Rd
XVIII
Rd
Rd
Gr/Ye
Bl
Br
XVII
XVI
XIV
XIII
XII
XI
X
IX
VIII
VI
V
IV
III
II
I
Wh/Bk
Wh/Bk - White/Black
C
B
A
9
8
7
5
6
4
E
3
2
1
11
N
7
C
NC
NO
9
10
L1
E
E
E
4
L1
L2
L3
Vt
Gy
N
C1
C2
N
M
N
L
N
E
230V ~ 50Hz
C6
C5
NC
C
NO
NC
C
NO
8
N
MOTOR CAPACITOR (2uF)
BOILER TERMINALS (TYPICAL)
IN LINE CONNECTOR
GAS VALVE ETC.
9
KEY:
VII
Bk
Bl
Gr/Ye
Gr/Ye
Br
Br
Br
Bl
N
1
2
5
3
4
6
7
A
B
E
E
E
N
S2
S1
8
9
N
C
