Manual
5
221691B
General Data
Sheet Metal Parts
WARNING. When installing or servicing this boiler, care should
be taken to avoid any possibility of personal injury when handling
the edges of sheet metal parts.
Important Notice
This boiler is for use only on G20 gas.
Wherever possible, all materials, appliances and components to
be used shall comply with the requirements of applicable British
Standards.
Where no British Standard exists, materials and equipment
should be fit for their purpose and of suitable quality and
workmanship.
1.1 Data
Approximate weight of complete boiler : 79kg (174lb)
Water content : 5.76 litre (1.27gallons)
Gas connection : Rc
1
/
2
(
1
/
2
in BSPT)
Water connection : Rc1 (1in BSPT)
Injector 40B : 3.40mm
Electrical supply : 240V~50Hz, fused 3A
Burner : Aeromatic
All dimensions are given in millimetres (except as noted)
.
The Seasonal Efficiency Domestic Boilers UK (SEDBUK)
is 71.5%.
The value is used in the UK Government’s Standard Assessment
Procedure (SAP) for energy rating of dwellings. The test data
from which it has been calculated have been certified by B.S.I.
ABCDE✝FG H J K L M N P
mm 300 118 558 294 225 533 3 300 445 121 132 664 292 398
in. 11
3
/
4
4
5
/
8
22 11
1
/
2
8
7
/
8
21
1
/
8
11
3
/
4
17
1
/
2
4
3
/
4
5
1
/
4
26
1
/
8
11
1
/
2
15
5
/
8
GENERAL DIMENSIONS - given in millimetres (Approx. inches)
Diagram 1.1
0684
K
✽ Refer to BOILER CASING
HEIGHT diagram
P
M
L
N
H
J
D
C
B
E
✽
G(MIN.)
✝ F(MIN.)
C
L
C
L
L
C
✝ A SPECIAL TOP CASING
TO SUIT 600mm (23
5
/
8
in.)
WORKTOPS IS AVAILABLE
A
WATER CONNECTIONS
Rc1 (1in. B.S.P.T.)
WATER CONNECTIONS Rc1 reduced
with DISTRIBUTOR TUBE to
Rc
3
/
4
(
3
/
4
in. B.S.P.T.) (pumped return)
GAS CONNECTION
Rc
1
/
2
(
1
/
2
in. B.S.P.T.)
1.2 Range Rating
This boiler is range rated and may be adjusted to suit individual
system requirements. The table gives settings and outputs.
The boiler input as supplied is preset to the maximum heat input
and should be adjusted to suit system requirements.
The indicator arrow should be stuck on the data label to indicate
the adjusted setting. The arrow is supplied in the loose items
pack.
RANGE RATING
NOMINAL
kW
HEAT INPUT
(GROSS)
Btu/h
11.23 13.01 14.79
38,300 44,400 50,450
min medium max
BURNER
mbar
SETTING
PRESSURE
in.w.g
(HOT)
6.6 8.9 11.6
2.6 3.6 4.6
NOMINAL
kW
HEAT
OUTPUT
Btu/h
8.79 10.26 11.72
30,000 35,000 40,000
K7218
INJECTOR