5
221763A
General Data
A
B
C
D
E
✝
F
G
H
J
K
L
M
N
P
mm
387
171
558
294
363
533
3
300
445
121
156
664
292
398
in.
15
1
/
4
6
3
/
4
22
11
1
/
2
14
1
/
4
21
1
/
8
11
3
/
4
17
1
/
2
4
3
/
4
6
1
/
8
26
1
/
8
11
1
/
2
15
5
/
8
RANGE RATING
NOMINAL
kW
HEAT INPUT
(GROSS)
Btu/h
25.76
27.58
29.41
87,900
94,100 100,350
min
medium
max
BURNER
mbar
SETTING
PRESSURE
in.w.g
(HOT)
11.5
13.2
15.2
4.6
5.3
6.1
NOMINAL
kW
HEAT
OUTPUT
Btu/h
20.52
21.98
23.45
70,000
75,000
80,000
205749
INJECTOR
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
Weight of boiler
105.8kg (232lb)
Water content
8.64litre (1.9 gall)
Gas connection
Rc
1
/
2
1
/
2
inBSP
Water connection
Rc1 1 in BSP
Electrical supply
230V ~ 50Hz fused 3A
Burner
Aeromatic
All dimensions are given in millimetres (except as noted).
The Seasonal Efficiency Domestic Boilers UK (SEDBUK)
is 72.6%.
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.
1.2 Range Rating
This boiler is range rated and may be adjusted to suit individual
system requirements.
The tables give the appropriate settings and ratings.
The boiler heat input is factory preset to its maximum rating.
This should be adjusted to suit individual system requirements.
The arrow indicator, from the loose items pack, should be stuck
on the data label to indicate the setting.
1.3 Sheet Metal Parts
WARNING. When installing or servicing this boiler, care should
be taken to avoid any possibility of personal injury when
handling sheet metal parts.
1.4 Statutory Requirements
The installation of this boiler must be carried out by a competent
person in accordance with the relevant requirements of the
current issue of:
Manufacturer’s instructions, supplied.
The Gas Safety (Installation and Use) Regulations, The Building
Regulations, Local Water Company Bye-laws, The Building
Standards (Scotland) Regulations (applicable in Scotland) Health
and Safety at Work Regulations, Control of Substances
Hazardous to Health, Electricity at Work Regulations and any
applicable local regulations.
Detailed recommendations are contained in the current issue of
the following British Standards and Codes of Practice,
BS6891, BS5440 Part 1 and 2, BS6798, BS5449, BS5546,
BS6700, BS7478, BS7593, BS7671.
Manufacturer’s instructions must not be taken as overriding
statutory requirements.
GENERAL DIMENSIONS - given in millimetres (Approx. inches)
Diagram 1.1
1071
✽
Refer to BOILER CASING
HEIGHT diagram
M
D
C
C
L
✝
A SPECIAL TOP CASING
TO SUIT 600mm (23
5/
8
in.)
WORKTOPS IS AVAILABLE
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.)
✝
F(MIN.)
L
H
A
L
C
B
✽
N
P
C
L
E
J
K
G(MIN.)
G(MIN.)