Hamworthy Sherborne Series, Installation, Commissioning And Service Manual

Page: 22 / 48

HAMWORTHY HEATING LTD
SHERBORNE 500001103/E
Figure 8.12 Site Wiring Diagram (Page 2 of 2)
L
L
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
N
N
R1
R1
R2
R2
R3
R3
R4
R4
S1
S1
S2
S2
4
4
4
4
3
3
3
3
2
2
2
2
1
1
1
1
0
0
0
0
F
F
F
F
E
E
E
E
D
D
D
D
C
C
C
C
B
B
B
B
A
A
A
A
9
9
9
9
8
8
8
8
7
7
7
7
6
6
6
6
5
5
5
5
BO
IL
ER
SI
TE
W
IR
IN
G
T
ER
M
IN
AL
S
BO
IL
ER
SI
TE
W
IR
IN
G
T
ER
M
IN
AL
S
IN
TE
RF
AC
E M
O
DUL
E S
IT
E
WIRI
NG
T
ERM
INA
LS
BRO
W
N CO
RE
BR
O
W
N CO
RE
BL
U
E CO
RE
BL
UE
CO
RE
IN
TE
RF
AC
E M
O
DU
LE
S
IT
E
W
IRIN
G
T
ER
M
IN
AL
S
FU SED ISOLA TOR
FU SED ISOLA TOR
L
L
GN
D
GN
D
N
N
SI
G
SI
G
230V
A
C
50H
z
230V
A
C
230V
A
C
230V
A
C
50H
z
LO
W V
O
LT
AG
E CO
NT
RO
L
LO
W
V
O
LT
AG
E
LOW
V
O
LT
AG
E
LO
W
V
O
LT
AG
E
CO
NT
RO
L
0-10V
A
N
AL
O
G
U
E
0-
10V
A
N
AL
OGU
E
SU
PP
LY
SU
PP
LY
SU
PP
LY
SU
PPL
Y
SI
G
N
AL
IN
PU
TS
IN
PU
TS
/O
U
TPU
TS
IN
PU
TS
/O
U
TPU
TS
SI
G
N
AL
IN
PU
TS
CO
NT
RO
L INP
U
T
CO
NT
RO
L IN
PU
T
RO
TA
RY
SW
IT
C
H -
SW
1
RO
TA
R
Y
SW
IT
CH -
S
W
1
RO
TA
RY
SW
IT
CH -
S
W
1
RO
TA
RY
SW
IT
CH
- SW
1
BO
IL
ER
M
O
DUL
E NUM
BE
R
1
BO
IL
ER
M
O
DU
LE
NUM
BE
R 2
SE
Q
U
EN
CI
N
G
INT
ER
FA
C
E
M
O
DUL
E
SE
Q
UE
NCIN
G
IN
TE
RF
AC
E
M
O
DUL
E
BO
IL
ER
M
AI
N
C
O
N
TR
O
L P
C
B
BO
IL
ER
M
AI
N
C
O
N
TR
O
L
PC
B
CO
NT
AC
T T
ERM
IN
AL
S
CO
NT
AC
T T
ERM
IN
AL
S
N
O
TE
: VO
LT
F
REE
N
O
TE
: V
O
LT
FR
EE
NO
T
UT
IL
IS
ED
NO
T
UT
IL
IS
ED
NO
T UT
IL
IS
ED
NO
T UT
IL
IS
ED
CO
NT
RO
LS
CO
NT
RO
LS
IN
TE
R
LO
C
K
INT
ERL
O
C
K
SA
FE
TY
SA
FE
TY
NO
T S
H
O
W
N
FO
R
NO
T S
H
O
W
N F
O
R
CL
AR
IT
Y
CL
AR
IT
Y
4) MULTIPLE BOILER INSTALLATION, FULLY MODULATING SEQUENCED OPERATION VIA 0-10V ANALOGUE CONTROL SIGNALS FROM A NON HAMWORTHY HEATING LIMITED BOILER
SEQUENCE CONTROL SYSTEM, UTILISING OPTIONAL HAMWORTHY HEATING LIMITED SEQUENCING INTERFACE MODULES.
NOTE: ROTARY SWITCH 'SW1' ON BOILER CONTROL PANEL MAIN PCB - POSITION '1' SETS BOILER TO REMOTE FULLY MODULATING SEQUENCED OPERATION. ROTARY SWITCH ‘SW1’
ON SEQUENCING INTERFACE MODULE PCB - POSITION ‘0’ FOR 0-10V ANALOGUE CONTROL SIGNAL OPERATION.
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