HAMWORTHY HEATING LTD
39
SHAFTESBURY HE
500001049/N
APPENDIX C
BOILER/BURNER WIRING DIAGRAMS.
SHAFTESBURY CONTROL PANEL
HOURS RUN
HIGH FIRE
HOURS RUN
LOW FIRE
HIGH
FIRE
BULB
LOW
FIRE
BULB
FUSE
ON
/O
F
F
SW
IT
C
H
OVERHEAT
BULB
OVERHEAT
RESET
CONTROL
STAT
Boiler
Temperature
HIGH/LOW
STAT
Re
la
y
1
Re
la
y
2
Re
la
y
3
C1
C2
C3
C4
9
-
11
12
13
14
15
16
-
L
N
E
-
-
H
2
L
B5
B4
N
N
N
B4
B5
L1
E
N
T1
T2
S3
B4
B5
T6
T7
T8
-
NOTES:-
THIS DIAGRAM SHOWS THE CONTROL PANEL WIRING 230V ~ 50Hz SUPPLY.
THE ELECTRICAL SUPPLY TO THE BURNER IS DEPENDANT UPON THE MODEL SELECTED, REFER TO BURNER
MANUFACTURERS INSTRUCTIONS.
TWO FUSES ARE SUPPLIED (5 AMP OR 6.3 AMP), THE CORRECT FUSE MUST BE SELECTED FOR THE BURNER
SUPPLIED, REFER TO BURNER MANUFACTURERS INSTRUCTIONS.
DEPENDENT ON BURNER TYPE EITHER A 230V ~ 50Hz AC SINGLE PHASE SUPPLY OR A 415V 3-PHASE 4-WIRE
SUPPLY WILL BE REQUIRED. 3-PHASE SUPPLIES SHOULD BE CONNECTED DIRECTLY TO THE BURNER WITH A
SINGLE PHASE & NEUTRAL SPURRED OFF TO THE CONTROL PANEL.
Figure 16.7 – Shaftesbury Control Panel - Pictorial View