
HAMWORTHY HEATING LTD
LILLIPUT HE
500001047/F
19
APPENDIX A. BOILER/BURNER WIRING DIAGRAMS.
Fig. 5. Boiler Control Panel Wiring Diagram For 3 Wire Burner Connection.
Fig. 6. Boiler Control Panel Wiring Diagram For 7 Pin Burner Plug
6A FUSE
L
N
13
12
11
10
6
5
4
3
2
1
14 15 16 17 18 19
9
8
7
N
L
240Vac ~ 50Hz
1 2
C
t>
1 2
C
t>
2 1
C
t>
TEMPERATURE
LIMIT
THERMOSTAT
CONTROL
THERMOSTAT
HIGH—LOW
THERMOSTAT
ON / OFF
SWITCH
PUMP
SWITCH
CONTROL PANEL
POWER
ON LIGHT
L N
3 WIRE BURNER CONNECTION
FOR REMOT
E
LOC
K
OUT
LAM
P
O
R
VO
LT
F
R
EE
S
IGNAL
FOR OVE
R
T
E
M
-
PER
AT
URE LO
C
K
O
U
T
FOR BURN
ER
W
O
RK
IN
G S
IGNA
L
FOR EX
T
E
RNAL
T
H
ERMO
ST
AT
O
R
PRE
S
S
URE
S
W
IT
CH
FOR EX
T
E
RNAL
PUM
P
S
W
IT
CH
6A FUSE
L
N
13
12
11
10
6
5
4
3
2
1
14 15 16 17 18 19
9
8
7
N
L
240Vac ~ 50Hz
1 2
C
t>
1 2
C
t>
2 1
C
t>
TEMPERATURE
LIMIT
THERMOSTAT
CONTROL
THERMOSTAT
HIGH—LOW
THERMOSTAT
ON / OFF
SWITCH
PUMP
SWITCH
CONTROL PANEL
POWER
ON LIGHT
S
IGNAL
FOR OVE
R
T
E
M
-
PER
AT
URE LO
C
K
O
U
T
FOR EX
T
E
RNAL
T
H
ERMO
ST
AT
O
R
PRE
S
S
URE
S
W
IT
CH
FOR EX
T
E
RNAL
PUM
P
S
W
IT
CH
L1
N T1 T2 S3 B4
CLIENT SUPPLY
CLIENT SUPPLY
FOR REMOT
E
LOC
K
OUT
LAM
P
O
R
VO
LT
F
R
EE
FOR REMOT
E
HOUR
S
RUN M
E
T
E
R