Hamworthy Wessex 100 M100 Installation, Commissioning And Servicing Instructions page 19

Figure 9.1 Wiring Schematic
230V 50Hz SUPPLY
~
EARTH STUD
{
N
L
FUSE1
T5A
LK3
A1 A2 N1
GAS PRESSURE
SWITCH (option)
FROM B.I.S.C.
REMOTE LOCKOUT RESET
FROM B.I.S.C.
LOCKOUT SIGNAL TERMINAL
FROM B.I.S.C.
FAN SIGNAL
FROM B.I.S.C.
FAN PROVE CIRCUIT
FROM B.I.S.C.
GAS VALVE SIGNAL
J1 33
MARSHALL SAFETY
INTERLOCK CONNECTION
J2 34
(OPTION)
J3 31
MARSHALL EXTERNAL
TIMECLOCK CONNECTION
J4 32
(OPTION)
RL2a
15 16
OVERHEAT V.F.C.
11
14
RL3a
17
18
LOCKOUT V.F.C.
11
14
TO B.I.S.C.
FLAME PROBE CONNECTION
FUSE3
T2A
KEY:
PCB TRACK
WIRING ASSEMBLY CABLE
WIELAND ST18 SERIES PCB MOUNT SOCKET TERMINAL FOR SITE WIRING CONNECTIONS
MOLEX MINI FIT JUNIOR PCB HEADER CRIMP TERMINAL
IGNITION CONTROL TERMINAL.
WEIDMULLER BL/SL SERIES PCB HEADER SCREWED TERMINAL
PCB MOUNT 6.35mm SPADE CONNECTOR
IN-LINE PLUG & SOCKET TERMINAL
B.I.S.C. = BOILER IGNITION SEQUENCE CONTROLLER.
HAMWORTHY HEATING LTD
EMC FILTER
FILTER1
SAFETY TEMP. LIMITER
B2
RED/BLUE
N2 B1
1(3)
RED/BROWN
c(1)
2
B3
RED/GREEN
HI/LO STAT
2 B7
GREY/BLUE
B6
c
12
GREY/BLACK
1
HI FIRE PRES. SW
F2
WHITE/BLACK
F1
nc
WHITE/RED
F3
c
PINK/BLACK
no
CONTROL STAT
B4 B5
ORANGE/RED
ORANGE/BLACK
1
c
D1
2
TO B.I.S.C.
PERMANENT LIVE
D2
TO B.I.S.C. LIVE TO B.I.S.C. NEUTRAL
D5 A6
TO B.I.S.C. EARTH
D6
A7
D7 P1
BROWN
L1
A8
RL1c
L1
BROWN
11 7
LOW PRES. SWITCH
YELLOW/BLACK
D8 F4
no
YELLOW/GREEN
c
YELLOW/RED
nc
D11
RL6a
14
11
RL1d TDR1b
4
12 8 12
RL4a
19 20
NORMAL RUN V.F.C.
14 11
D12 R2 R1 H1
BLACK
TEST LINK
C1 C3
SW2 - MARSHALL HAND/AUTO SWITCH
c no
RL5c
C2
11
3
RL5c
11
7
MAIN PCB
OVERHEAT RELAY
RL2
A2
A1
A3
A5
A4
LK2
RL5d
C4 C6 G3 G4
4
RL5d
RED
12 8
REMOTE HI/LO
PRES SW C/O ON DELAY RELAY
RL1a
TDR1
5
9
14 13
HI/LO RELAY
RL1
14 13
HIGH GAS RELAY
RL1b
RL6
6 A2
10 A1
LK1
RL5a
C7 C8 G1 G2
1
9
RL5a
BROWN
9 5
REMOTE ON/OFF
D3
D4
LOCKOUT RELAY
RL3
A1 A2
FAN
P2
~
M BLUE
BROWN BLUE
L1 N N
GREEN/ GREEN/
P3
YELLOW
YELLOW
HI/LO DAMPER SOLENOID
L2
BROWN BLUE
BLUE
2
1 1 L N 2
TDR1a
1
9
RL6b TO B.I.S.C.
F5 D9
FAN PROVE CIRCUIT
21 24
F6 D10
TO B.I.S.C.
FAN PROVE CIRCUIT
MAIN GAS VALVE (2 COILS)
E1 E2
BLUE
BROWN
V1a
A9 E3
GREEN/YELLOW
NORMAL RUN RELAY
RL4
A1 A2
HIGH/LOW GAS VALVE COIL
E5 E6
BLUE
BROWN
V1b
E7
GREEN/YELLOW
FLOW SHARE VALVE (IF FITTED)
E8
E9
BROWN BLUE
V2
E10
GREEN/YELLOW
A10
FLAME PROBE
BLACK
HAND/AUTO RELAY (OPTION)
RL5
14 13
21 C5
13
WESSEX 100 M
A1 K1
FUSE2
RED
T2A
A2 K2
RED
A3 K3
RED
A4 K4
RED
A5 K5
RED
A6 K6
RED
A7 K7
RED
A8 K8
RED
A9 K9
RED
A10 K10 M1
RED BROWN
MAIN PCB
CONNECTOR
M3
RED
D1 13
BROWN
D2 1
BROWN
D3 12
BROWN
D4 14
D5 4
BROWN
D6 2
BROWN
D7 9
BROWN
D8
BROWN
D9 7
BROWN
D10 8
BROWN
D11 5
BROWN
D12 17
BLACK
MAIN PCB
15
BROWN
CONNECTOR
16
BLUE
HONEYWELL
S4570LS 1000
IGNITION CONTROL
NE1 - POWER ON
AMBER
NE2 - OVERHEAT
RED
SW1 - LOCKOUT RESET
c no
NE3 - LOCKOUT
RED
NE4 - FAN RUNNING
GREEN
NE5 - BOILER ON (LOW)
GREEN
HOURS RUN
M2
BLUE
h
NE6 - BOILER ON (HIGH)
GREEN
HOURS RUN (HIGH)
M4
BLUE
h
FASCIA PCB
HOT SURFACE PROBE
500001080/F