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BRITONY
Room Sealed Balanced Flue
MULTI POINT WATER HEATER
GAS SAFETY (INSTALLATION AND USE) REGULATIONS.
It is the law that aII gas appIiances are installed by a competant person
in accordance with the above regulations.
BRITONY 1I.T NAT G.C. N” 52 980 18
BRITONY I1.T LPG G.C. N” 52 980 23
from seriaI number 8942 16759-03
11.1
installation
and servicing instruct2ons
(leave these instructions with the user)
The model number and serial number of this heater are on the data badge which is found inside rear
case at lower left hand side.
These numbers should be used when ordering replacement parts.
CONFORMS WITH EUROPEAN STANDARD EN.26
CC
Looking Good.Heating Better
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Contents
Page 3 : TECHNICAL DATA
Pages 4, 5 and 6 : INSTALLATION
Pages 7, 6 and 9 : SERVICING INSTRUCTIONS
Pages 10 and 11 : FAULT FINDING CHART FOR BRITONY II T
Page 12 : SHORT LIST
GENERAL
The BRITONS II T is a cat. 112H3+ appliance
9124535.02 BRITONY II T NAT GC N” 52 980 18
9124525.02 BRITONY II T LPG GC N” 52 980 23
The BRITONS II T is a balanced flue instantaneous gas fired multipoint water heater. For direct connection to the mains cold
water supply.
The BRITONS II T does not require any purpose provides ventilation unless installed in a compartment. A compartment enclosing the heater requires high and low level openings communicating with outside air or the room in which the compartment is located. The free area of these openings must be :
I%gh Level Low Level
Air from room
Air from outside
The installation of the heater must be in accordance with the relevant requirements of the Gas Safety Regulations, Buildings
Regulations and the Bye-laws of the local Water Undertaking. It should also be in accordance with any relevant requirements of
BRITISH GAS and local authority and the relevant recommendations of the following British Standard Codes of Practice.
BS 5440 Flues and air supply for gas appliances of rated imput not exceeding 60 kW (1st and 2nd family gases)
Part 1 - Flues
Part 2 - Air Supply
BS 5546 Code of practise for installation of gas hot water supplies for domestic purposes (2nd family gases)
BS 6891 Specification for installation of low pressure gas pipework of up to 28 mm
(Rl) in domestic premises (2nd family gas)
252 cm2 (40 in’) 252 cm2 (40 ix?)
126 cm2 (20 in’) 126 cm* (20 in’)
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Heat imput Nom&I
Heat output NominaI
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Gas rate (maximum) :
l
NaturaI gas (G 20)
.
Butan (G 30).
l
Propan (G 31).
Burner pressure (G 20)
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Main burner injectors marking :
l
NaturaI gas (restrictor o 5.2)
l
Butan - propan
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PiIot injector marking :
l
Natural gas
l
Butan - propan
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Water ffow rate - raised 50” C (90’ F)
Water flow rate - raised 30” C (54” F)
Minimum water
pressure
Maximum water pressure
Water inlet - right hand
Water outlet - left hand connection
Gas - centre connection
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connection
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technical data
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TABLE 1
23
kW - 78,480 Btu/h
21 kW - 71,650 Btu/h
2.43 m3/h - 88.1 ft3/h
1.81
kfl
1.79 kg/h
11.6 mbar - 4.5 in w.g
1.18
0.70
0.23
0.15
6 Urn - 1.32 g.p.m.
10.05 I/m - 2.21 g.p.m.
1 Bar - 15 PS.1.
10 Bar - 150 PS.1.
15 mm copper
15 mm copper
15 mm copper
655
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Height
Width..
Depth
Weight
Space for fling - Top
Space for fling - Bottom
Space for fling - Sides
Space for fixing - Front
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., _..
mm
395 mm
253
mm
19 kg
65
mm
178
mm
25 mm
152 mm
HOLE FOR WALL LINER
305
205
mm
mm
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Width
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Height
WALL THICKNESS
Standard fIue set
OptionaI ffue set..
The minimum water pressure is for the correct operation of the heater only. An additional allowance must be made for the resisance
of the pipework and fittings particularly where showers and washing machines are used. This should be the equivalent of 2 m (6.5
ft.) head.
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75 - 355
75 - 500
mm
mm
3
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installation
The BRITOIW II T
the heater, the other containing the balanced ffue set.
INSTALLING THE BALANCED FLUE
The standard flue set is suitable for walls having a thickness of
75 mm (3 in) to 355 mm (14 in). An optional flue set for wall
thicknesses up to 500 mm (20 in) is available to special order.
DetaiIed recommandations for flueing are given in BS 5440 :
1. The following notes are for general guidance only.
The heater must be installed so that the ffue terminal is exposed
to the external air. The heater must not be installed so that the
terminal discharges into another room or space such as an
outhouse or lean-to.
Termination should be on a clear expanse of wall, the terminal
preferably being not less than 300 mm (1 ft.) away from a cornern recess or projection.
DO
NOT install the terminal :
a) within 300 mm (1 ft.) measured vertically from the bottom of
an openable window, air vent or any other ventilation opening.
b) within 300 mm (lft.) above adjacent ground level.
c) within 600 mm (1 ft.) of any surface facing the terminal.
d) immediately beneath eaves or a balcony.
Where the lowest part of the terminal is less than 2 m ( 6,5 ft.)
above the level of any ground, balcony, ffat roof or place to
which any person has access, and which adjoints the wall in
which the terminal is situated, the terminal must be protected by
a guard of durable material. (A terminal guard is available from
QUINNELLBARRETT&QUINNELL,071639 1357.
The air inlet, product outlets duct or terminal of the heater must
not be closer than 50 mm (2 in) to any combustible material.
Detailed recommandations on the protection of combustible
material are given in BS 5440 : 1
PREPARING THE WALL
The heater should be installed on a wall of flat non- combustible
material that will not reverberate. Whatever the thickness of the
wall, make a hole 305 mm (12 in) wide by 205 mm
(8 in) high. If the hole is cut accurately there is no need to line it
as the wall liner will seal off the cavity.
A minimum clearance of 80 mm (3,2 in) should be left above
the top edge of the wall opening. For dimensions and clearance
see page 2 and Technical Data, page 3.
Slide the wall liner through the walI ensuring that is horizontal
and that the flanged end is flush with the face of the inside wall.
Trim to length if necessary, so that the outer end of the duct is
flush with the face of the outside wall. Make good around the
wall liner if necessary (fig. 1).
N.B. : For walls of between 75-100 mm (3-4 in), turn the wall
liner hooks down through 90”.
is supplied in two cartons, on containing
FITTING THE FLUE TERMINAL
Wall Liner
- For walls of 14 ins. (355 mm) or less, use onIy the flanged wall
liner section, measure and cut to length so that the liner extend
l/4 in. from external wall face. Cut “II” cover section to length.
- Assemble by inserting the tabs on the “U” shaped section into
the slots on the cover.
-Turn the tabs over in the direction of the lip on the cover, fit
hooks with nuts and bolts provided.
- Refit liner into hole and cement into position for a weather
proof finish.
- Ensure that the wall liner is horizontal.
- For walls of over 14 in. assemble the telescopic extension
piece in the same manner as the flanged section.
- Insert inside the flanged section and extend until it extends 114
in. from external wall face, mark around inside of ffanged section.
- Remove liner and extension, cut off surplus from extension
leaving a minimum 2 in. overlap making sure extension does
not obscure hooks.
- Re-assemble liner and extension, seal around
with tape supplied.
- Re-fit liner into hole.
- Cement in position for a weather-proof iinish.
- Ensure that the liner is horizontal.
N.B. :
For walls 3 in. - 4 in. (75 mm - 100 mm) do not use the
hooks but fit the chains into the slots in the bend fting brackets.
Flue Duct
For the standard iIue set the duct is telescopic and should be
ajusted to length to ensure that is fully engages with the terminal and the flue bend. The joint should be sealed with the tape
supplied.
For walls over 14 in. fit additional telescopic extension piece
(total 3 pieces) ensuring a 2 in. overlap. Seal the joint with the
tape provided.
outside of joint
4
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