HAMWORTHY HEATING LTD
25
SHAFTESBURY HE
500001049/N
Figure 11.1 – Matched Burner Boiler Combinations (Natural Gas)
Note
To com
ply
w
ith the
requ
irem
ents o
f the Gas
Appliance
Dire
ctive, onl
y
the com
binat
ions listed
belo
w
m
a
y be
utilised
fo
r natural
gas applications.
Hea
t in
put va
lue
s qu
oted
abo
ve
are
based
on Natu
ral Ga
s (G
20
)
w
ith a n
et
CV of
34
.0
6 MJ/
m
3
@ 10
13
m
ba
r an
d 15
0
C.
BOILER
MO
D
E
L
BURN
ER DET
A
IL
S
B
O
ILER DET
A
ILS
COM
BUST
ION
CH
A
M
BER D
E
T
A
IL
S
M
A
KE
MO
D
E
L
MOD
E
NOM
INAL HEAT
INPUT
S
/OU
T
P
U
T
S
HEAT
OU
T
P
U
T
HIG
H
FIRE
HEAT
INPU
T
(NET
T
)
M
INI
M
U
M
HEAT
INPUT
BELO
W
W
H
ICH
A BURNER
M
U
ST
NO
T
O
PERA
T
E
(N
ET
T
)
DIAM
ET
ER
LENGT
H
–
REF
E
R
DIM
. A
FIG
11.6
BLAST
T
U
BE
PENET
RA
T
ION
REF
E
R
T
O
DIM
.
B
FIGU
RE 11.6
M
O
UN
T
ING
PLAT
E DEP
T
H
REF
E
R
DI
M
. C
FIG
1
1
.6
(k
W
)
(k
W
)
GA
S RAT
E
m
3
/hr
(k
W
)
GA
S RAT
E
m
3
/hr
(mm
)
(mm
)
(mm
)
(mm)
HE110
RI
E
L
LO
RI
E
L
LO
R40GS20D
R40GS20/M
HI/LO
M
O
DU
LAT
ING
110
125.5
13.3
77
77
8.1
8.1
440
455
120
125
70
70
HE150
RI
E
L
LO
RI
E
L
LO
RS28
RS28/M
HI/LO
M
O
DU
LAT
ING
150
171.2
18.2
81
52
8.6
8.6
440
575
216
155
130
70
HE190
RI
E
L
LO
RI
E
L
LO
RS28
RS28/M
HI/LO
M
O
DU
LAT
ING
190
216.3
22.9
81
52
8.6
8.6
440
695
216
216
130
130
HE220
RI
E
L
LO
RI
E
L
LO
RS38
RS38/M
HI/LO
M
O
DU
LAT
ING
220
250.5
26.5
105
70
12.2
12.2
440
815
216
216
130
130
HE250
RI
E
L
LO
RI
E
L
LO
RS38
RS38/M
HI/LO
M
O
DU
LAT
ING
250
284.7
30.1
105
70
12.2
12.2
440
935
216
216
130
130
HE280
RE
IL
LO
RE
IL
LO
RS50/M
RS38
M
O
DU
LAT
ING
HI/LO
280
309.9
32.75
85
105
11.8
12.2
440
1055
216
216
130
130
HE310
RI
E
L
LO
RE
IL
LO
RS50/M
RS38
M
O
DU
LAT
ING
HI/LO
310
343.2
36.26
85
105
11.8
12.2
440
1175
216
216
130
130
HE340
RI
E
L
LO
RE
IL
LO
RS50/M
RS38
M
O
DU
LAT
ING
HI/LO
340
377.9
39.94
85
105
11.8
12.2
440
1295
216
216
130
130
HE370
RI
E
L
LO
RI
E
L
LO
RS50/M
RS50
M
O
DU
LAT
ING
HI/LO
370
404.2
42.7
85
116
11.8
37.3
440
1415
216
216
130
130
HE400
RI
E
L
LO
RS50
HI/LO
400
430.0
45.5
116
11.8
440
1535
216
130
D
IM
E
NSI
O
NS