Chaffoteaux & Maury Britony combi 80 Manual

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AA
MAINTENANCE AND
SERVICE GUIDE
CC
Edition et COMLEC 4/95
combi 80 and 100
Fanned Flue Combination Boiler
Heating and Instantaneous Domestic Hot Water
Dimensions
JKLMN I
Boiler outer case dimensions : I Safety valve outlet
‘lue types:
Height : 850 J Heating flow
: 12 C 22 or C42: horizontal
- Boiler width : 440 (minimum space required 450) K D.H.W. flow
:32xx:
- Depth : 380
vertical concentric
L Gas supply
M Cold water inlet
N Heating return
Technical data
Heat input C/H & DHW Combi 80 : 11.73 to 28.70 kW DHW flow rate at @ 30°C Combi 80 : 11.1 I/min
Combi 100 : 15.43 to 34.57 kW Combi 100 : 13.4 I/min
Heat output C/H & DHW Combi 80 : 9.5 to 23.25 kW DHW flow rate at @ 35°C Combi 80 : 9.54 I/min
Combi 100 : 12.5 to 28 kW Combi 100 : 11.5 I/min
Max. operating pressure C/H circuit : 2.5 bar Minimum DHW operating flow rate : 2 I/min
Expansion vessel net capacity : 5.4 I Minimum DHW working pressure : 0.1 bar
Expansion vessel initial pressure : 0.7 bar Maximum DHW working pressure : 10 bar
Electrical consumption : 15ow Gas category : II 2E+ 3+
Voltage 230 v
Electrical protection index IP24
Fuses : 2Aand 1.25A
Nominal gas flow rate at 15°C and 1013 mbar BRITONY Combi 80 BRITONY Combi 100
Maximum Minimum Maximum Minimum
power 23.25 kW power 9.5 kW power 28.2 kW power 12.5 kW
-Natural gas ( G 20) at 20 mbar 2.74 m3/h 1.22 m3/h 3.34 m3/h 1.57 m3/h
-Butane gas ( G 30 ) at 28 mbar 2.04 kg/h 0.91 kg/h 2.45 kg/h 1.17 kg/h
-Propane gas (G 31 ) at 37 mbar 2.00 kg/h 0.89 kg/h 2.42 kg/h 1.15 kg/h
Injectors and gas valves seat diameter BRITONY Combi 80 BRITONY Combi 100
Natural qas Butane or Propane Natural qas 1Butane or Propane
-Blue solenoid restrictor diameter 2.40 mm 1.74 mm 2.80 mm 1.90 mm
-Black solenoid restrictor diameter 4.25 mm 5.00 mm 5.20 mm 3.80 mm
-Manifold injectors (16) 1.23 mm 0.72 mm 1.26 mm 0.76 mm

Pump and expanssion vessel characteristics
bar
Hauteurmanomemque
m 13
5 I,7
1 13
3
2
I,3
1 1,I
0
DPbd
100 200 300 400 5OD 600 700 800 utl 03
0,7
1 = by-pass closed
20 50 100 150 200 250 c (I)
2 = by-pass open
Note : The system initial pressure should be over the following value :
Head available / flow
System static height (in metre) + 0.7 = Initial pressure (in bar)
10
Components location
1. CH Flow isolating valve
2. DHW outlet 7. Pressure relief valve
3. Gas service tap 8. Chassis
4. Water service tap 9. Connecting tails (x 5)
5. CH Return isolating valve
8
3 4 95 7
10. Steel chassis complete with expansion 24. Multigas burner comprising: 39. Combustion chamber made of
Jesse1
11. Sealed chamber -25. 16 burner head aluminium coated steel with 4 cera-
12. Expansion vessel (not visible) -26. Manifold mic fibre panels to insure heat insu-
-27. 2 Ignition electrode lation
13. Overheat thermostat -28. lonization electrode 40. Copper main exchanger
14. Electrical box 29. Gas section comprising: 41. Stainless steel secondary plate
15.Three position selector switch
16. User’s guide -30. Security valve (grey) exchanger
-31. l/3 gas stage (blue) 42. Three way valve
17. Heating flow temperature adjustment -32. 2/3 gas stage (black) 43. connecting bracket
18. CH pressure gauge 33. Right hydraulic assy 44. DHW flowstat
20. Green indicator - Power ON 34. Left hydraulic assy 45. Heating flowstat
21. Orange indicator - Burner ON 35. Single speed pump 46. Flue hood
?2. Red indicator - Lock out/flame failure 36. Air separator 47. Adjustable by-pass
?3. Reset button 37. Heating thermistor 49. Air Pressure switch
38. DHW thermistor 50. 45” elbow comprising venturi
51. Fan
2

WNCTIONING
the gas service tap is opened at the gasmeter and
50 pressure in central heating system is above 0.7
bar and below 2.5 bar with the pressure gauge0 (8).
3) Open the gas tap (3) by turning from right to left. 0
4) The boiler is now ready to use.
1) Turn selector switch (15) to position flf . The green “power
on” indicator 0 (20) will light.
2) Turn on a hot water tap, the orange “burner on” indicator @
(21) will light and the water will become hot.
‘9 0 ‘3 0 x3
Heating and Hot Water
‘3 ‘3 0 ,3 ‘3
1) Turn selector switch (15) to position 2 ‘1111.The green
“power on” indicator 0 will light (20).
3) If the room thermostat (if fitted), the boiler temperature control
‘1111and the clock (if fitted) are all calling for heat, the orange
BRITONY COMBI FUNCTIONAL DIAGRAM
12
____A
35
Hot water mode 3

“burner on” indicator 4 (21) will light and water temperature is controlled by the hot shuts off the gas. The red lockout indicate
the heating will be on. water control thermistor 38 and the central bulb 0 22 will light.
When there is a need for hot water while heating control thermistor (37). This SYS-
The central heating flow temperature i:
the heating is on, it is only necessary to turn tern anticipates the changes of temperatu- controlled by the central heating contra
on a hot tap. The heating will be interrupted re in the secondary heat exchanger and thermistor (37). The boiler has been desi
momentarily while the hot water is being ensures accurate temperature regulation. gned to minimise cycling and will not attemp
delivered. The boiler will switch back auto-
matically to heating when the tap is turned to relight for at least 3 minutes after the boi
When the tap is closed the burner is extin- ler thermostat has been satisfied. When the
Off.
guished and the pump stops. The boiler room thermostat is satisfied the burner wil
Note: If the boiler has been turned off for will now stay in the hot water mode for switch off and the pump will remain running
some time the first attempt to light it may three minutes to maintain temperature to for a further 3 minutes before it too stops.
result in a lockout @ (22) . If this happens ensure a fast response in the event of a
press the reset button (23) and the boiler subsequent hot water demand. NB
will light. It is possible to override the 3 minute dela!
Priority will be given to a demand for hot by pressing the RESET button (23).
Domestic Hot Water Mode water. This will interrupt the central hea-
To be able to supply hot water, the selector ting for the duration of hot water delivery. Lock out procedure
switch 15 must be in either on ,:’ or Flame disappearance :
‘11112 position. This will be confirmed by Central Heating Mode When the ionisation electrode (28) does no
the green indicator light 0 (20) To be able to supply heating, the selector detect flame presence. The orange indicate
switch (15) must be on ‘Ill1 c? position. lamp (21) extinguishes. A lighting cyck
When a tap or shower is turned on, the flow This will be confirmed by the green indica- starts. If a flame is not detected before f
of mains water, above 2 litres per min., will tor light 0 (20). seconds, the grey security solenoid (30) ark
activate the DHW flow switch (44) and the blue i/3 solenoid (31) will close. The
allow the 3 way valve (42) to move to the When there is a demand for heating lock out red indicator (22) lights, the pump
DHW position. The pump can now circulate (either from the room thermostat or the (35) runs and the 3 way valve (42) stays ir
Its position.
primary water heated by the main heat clock) the pump starts. If the boiler tempe-
exchanger through the secondary heat rature control is calling for heat and prima- After a few seconds, it will become possibk
to reset the boiler by pressing the reset but
exchanger. ry flow rate over 4 Itr/min, the central ton (23).
heating flow switch operates ailowing the
The first stage solenoid (31) (blue) and .
Ignition sequence to begin. The first stage Overheat detection :
security solenoid (30) (grey) open together
to allow gas to the burner. The ignition solenoid (31) (blue) and security solenoid If an overheat is detected by the senso
sequence begins and a continuous high (30) (grey) open together to allow gas to (13), the grey security solenoid (30) and the
speed spark ignites the gas. As soon as a the burner. The ignition sequence begins blue i/3 (31) closes, the orange indicate
flame is detected the orange indicator bulb and a continuous high speed spark ignites lamp (21) extinguishes. The ignitor is energi
h (21) will light and the second stage sole- the gas. As soon as a flame is detected sed for 8 seconds and the red lockout indi
noid (32) (black) opens to allow the full gas the orange indicator bulb b (21) will light. cator (22) ligths. If the burner cannot religh
the boiler will go to lockout.
rate. If a flame is not detected, after 8 After 45 seconds the second stage sole-
seconds, the security solenoid closes and noid (32) (black) opens to allow the full
shuts Off the gas. The red lockout indicator gas rate, lf a flame is not detected, after 8
bulb @ (22) will light. The domestic hot seconds, the security solenoid closes and
WIRING
rEiimiq
Plug for main power and Room
thermostat connection I
1 2 3 4 5
El 1. Neutral
2. Phase
3. Room thermostat live
4. Accelerator resistor
5. Common for Accelerator and room
thermostat.
4

ELECTRICAL WIRING continuation
I U”
13.
14.
I4a.
14b.
I4c.
l4d.
I4e.
I4f.
149.
18.
27.
28.
30.
31.
32.
35.
37.
38.
$2.
$4.
$5.
51.
Designation Wiring colours
-Overheat sensor Brown
-Electrical box
-Regulation PCB
-Igniter Red, Black
-Fuse 1.25 A
-Fuse 2A
-Power PCB
-Room thermostat
-Mains 230V 50 Hz
-Pressure switch 2: Black P: Orange
1: White
-Spark electrodes White
-Ionisation probe White
-Security solenoid (grey) Grey
-2/3 gas stage solenoid (black) Black
-l/3 gas stage solenoid (blue) Blue
-Pump
-C/H thermistor Violet
-DHW thermistor Green
-3 way valve White, Yellow, Orange
-DHW flow switch Brown
-C/H flow switch Red
-Fan Brown. Blue
REGULATION
Temperature regulation for both C/H and
DHW circuits are controlled by 2 thermis-
tors. The C/H knob allows the adjustment
Dftemperature between 35 and 85°C. The
DHW temperature is limited to 60°C. DHW
and C/H thermistors are identical and
interchangeable.
Resistance value are
-5000 Q at 25 “C
-2631 Q at 40°C
-620 52 at 80°C
-255 Q at 11o”c
FLOW SWITCHES
Flow in both D.H.W. and Heating circuits
are detected by 2 flow switches. A piston
with a magnet at the top operates a REED
switch. The piston is lifted by flow rates
listed below :
Flow rate threshold :
D.H.W. 120 I/h ?20 I/h
C/H 250 I/h *20 I/h
AIR PRESSURE SWITCH
The air flow rate is detected by a pressure
differential created by a venturi located in
the flue duct.
ON threshold AP > 130 Pa
OFF threshold AP < 100 Pa
ADJUSTMENTS ON CONTROL
The following adjustments are available on the regulation PCB. To
gain access to them, pivot down electrical box, remove the rear
cover and the rear panel of electrical box, unplug connectors from
regulation PCB and pull it toward you.
Heating output limitation :
- Functioning without limitation plug C on “P MAX”
- Functioning at l/3 gas rate only plug C on “P l/3”
Burner functioning:
- Regulation available 3/3, l/3, 0
- Functioning at full gas rate only plug D on “NOR”
plug D on “TUR”
I
ROUTINE SERVICING
To ensure continued efficient operation of
the appliance, it is recommended that it is
checked and serviced as necessary at
regular intervals. The frequency of servi-
cing will depend upon the particular ins-
tallation condition and usage, but in
general, once a year should be adequate.
It is the law that any service work must be
carried out by a competent person such
as your local Chaffoteaux Service Centre,
British Gas or other CORGI registered
personnel in accordance with the current
Gas Safety (Installation and Use)
Regulations.
The service schedule should include
the following operations:
- Check the pressure in the system.
- Check the correct operation of the
appliance.
- Check the correct operation of the gas
controls.
- Check the functions of the safety
controls.
- Check combustion chamber insulation
panels for damage.
- Clean the burner.
- Clean the heat exchanger.
- Check the burner manifold injectors.
- Clean gas and water filters.
- Check expansion vessel charge pressu-
re.
- Clean and check operation of safety
valve.
Additional Procedures that may be
necessary:
- Check burner pressure and gas flow
rates.
- Check that the fan blades are clean.
- Check, clean and replace components as
necessary.
- Carry out combustion test utilising the tes
points in the flue turret.
SUGGESTED SEQUENCE for SERVI-
CING
Before disconnecting or removing any
parts, isolate the gas and electricity sup-
plies. Ensure that the appliance is cool.
(for detail please see section on Parts
Removal and Replacement)
Preliminary Checks
- Remove outer case
- Check the system pressure is at least
0.7 bar cold
- Check operation of l/3 and 2/3 solenoids
- Check that the burner is extinguished full:
when both solenoids are closed in both
DHW and C/H modes.
- Test ionisation functions and check that
lockout occurs by turning off gas tap.
-Whilst boiler is operating, check operatior
of primary flow switch by closing heating
flow valve and by pass screw (turn clockwi
se) noting the number of turns so that it
may be reset correctly.
5
1

REMOVAL AND REPLACEMENT OF PARTS
1
efore removing appliance case, isolate 5. Ignition Electrodes
e gas and electrical supplies. Isolate boi- Carry out steps 1 and 2 as above. Hinge
r from the system and drain before remo- down electrical box by pressing retaining
ng any component in the waterways. tabs P on either side.
nsure that the appliance is cool. Remove wiring cover C. Disconnect leads
front panel as in steps 1 and 2. Disconnec
three pressure switch cables noting the1
positions.
1 = white cable connected to NC
2 = black cable connected to NO
Outer Case and
C
t free. When replacing, carefully locate on
gs (B) on top edge of chassis.
Combustion Chamber
iscrew four self tapping screws securing
s sealed chamber front panel and lift
er top corner locating lugs. Unscrew four
If tapping screws to release combustion
iamber front plate and lift clear.
?assemble in reverse order.
Burner Manifold
lrry out steps 1 and 2 as above. Remove
o screws securing the closure plate and
? remaining four screws to release the
mifold. Lift clear. Replace the manifold
sket. Reassemble in reverse order.
Ionisation Electrodes
trry out steps 1 and 2 as above. Loosen
rews securing the closure plate and
nove. Disconnect the lead from the main
ring loom. Remove screw securing elec-
Ide to burner. Thread wire through grom-
9 and lift clear. Reassemble in reverse
der.
from spark generator. Loosen screws secu-
ring the closure plate and remove. Remove
grommet from base of sealed chamber.
Remove screw securing electrode bracket
and lift clear easing spade connectors
through the grommet. Reassemble in rever-
se order, twisted together electrodes cable
at least IO times to avoid electrical interfe-
rence.
6. Burner Assembly
Carry out steps 1,2, disconnect electrodes
as mentionned in section 4 and 5. Remove
two screws securing burner assembly to the
back panel of the boiler. Lift right hand back
corner first. Reassemble in reverse order.
7. Gas Solenoids
Disconnect colour coded leads. Remove six
screws. The solenoids are attached to their
base plate. Lift clear taking care not to lose
the three plungers and springs.
Reassemble in reverse order replacing the
cork gasket.
8. Fan Assembly
Remove outer case and sealed chamber
front panel (See Steps 1 and 2). Disconnect
spade connectors noting positions. Remove
two screws securing the front of the fan
assembly and loosen screw on flue outlet.
Twist fan assembly anticlockwise to disen-
gage from flue outlet and lift clear.
Re-assemble in the reverse order ensuring
that the wiring is re-connected correctly and
the screw on the flue outlet tightened.
9. Flue Hood
Carry out steps 1 and 2 as above. Remove
fan assembly as in step 8. Remove the
three screws securing the angled top of the
hood to the chassis. Lift and remove taking
care not to snag the pressure switch cables.
Re-assemble in the reverse order ensuring
that the hood is located behind the combus-
tion chamber rear panel.
10. Pressure Switch
Remove outer case and sealed chamber
P = orange cable connected to C
Remove screw securing the switch bracks
to the chassis. Disconnect the samplin!
tubes again noting their positioning (+ an
-). Remove switch. Reassemble in revers
order.
11. Pressure Switch Venturi
Carry out steps 1, 2 and 8, as above
Disconnect the sampling tubes and rema
ve the screw securing the venturi to thl
flue outlet. Remove venturi by the botton
of the 45” elbow. Reassemble in revels
order.
12. Drain down
5 drain points are located on the boiler
(air sebarator)
1 = DHW circuit drain point
2 = Heating circuit drain point
13. Water filters ( DHW and Heating)
The DHW filter ensures a seal between the
connecting bracket and the pipe to the
DHW flow switch. Drain the boiler as ir
step 12. Unscrew the pipe nut and remove
the clip on the hydraulic assy. Pull the pipe
toward you and remove the water filter
from its location.
The C/H filter is located in the right hydrau
lit assembly. Remove the return pipe a:
described previously and withdraw the fit
ter. Reassemble in reverse order.

14. Flow switches
Drain boiler as in step 12. Disconnect the
electrical plug, turn the top cover anti-
clockwise, remove the O-ring and the
brass piston. Reassemble in reverse order.
15.3-Way valve
Drain boiler as in step 12. Remove the 3
clips on the 3 way valve. Remove the clip
on the exchanger flow pipe. Pull the pipe
down then pull it out of the 3 way valve.
Disconnect the plug from the motor.
Unscrew the nut on the pipe between the
connecting bracket and the 3 way valve
and pull it toward you. Rotate the 3 way
valve body anti-clockwise to unclip it from
the left hydraulic assembly.
16. Secondary heat exchanger
Drain both circuits of the boiler as in step
12. Unscrew the 2 fixing screws (D) and
remove the DHW exchanger from the front.
Prior to reassembly, check that the 4 gas-
kets are correctly positioned. The heat
exchanger is so designed that it cannot be
remounted incorrectly.
17. Main heat exchanger
Carry out steps 1 and 2 as above. Drain
boiler as in step 12. Remove the 2 clips (E)
located on return and flow pipes and pull
them downwards. Pull the main exchanger
toward you to remove. Reassemble in rever-
se order.
H
18. Pump
Drain boiler as in step 12. Pivot the electical
box downwards. Open the electrical box
cover removing the 2 screws. Remove the
pump plug from the power board and earth
plug from earth socket. Unscrew the nut (F)
of the return pipe from the volute. Remove
22. Spark generator
Carry out steps 1,2, and open the electrical
box cover as mentionned in step 5. Undo
the 4 screws of the electrical rear panel and
remove it. Unplug electrodes wires, remove
the ignitor connector from the PCB, remove
earth plug from earth socket. Hang out the
ignitor. Reassemble in reverse order.
the clip (G) on the pump volute and pull
pump toward you. Reassemble in reverse
order.
19. Pressure relief valve
The pressure relief valve can be serviced
from the front of the appliance. Drain the boi-
ler first, undo the retaining screw and pull
out the valve.Reassemble in reverse order.
20. Thermistors
Drain the boiler as step 12. Disconnect the
plug, remove the retaining clip pull the ther-
mistor out. Reassemble in reverse order.
38 = DHW thermistor
37 = Heating thermistor
38
37
21. Safety thermostat
Remove the casing as step 1 and hinge
down the electrical box as step 5.
Disconnect the 2 cables, pull out the sensor
with the clip (13). Reassemble in reverse
order.
23. Power board
Carry out steps 1, 2, and open the electrical
box cover as mentionned in step 5. Undo
the 4 screws of the electrical rear panel and
remove it. Unplug all cables from the PCB,
remove earth plug from earth socket. Hang
out the power board. Reassemble in rever-
se order.
24. Control board
Pull out plastic knob from the front panel
and proceed as step 23. Reassemble in
reverse order.
25. Expansion vessel
Remove the casing as step 1 and drain the
boiler as step 12 above. Unscrew the
connecting tails nuts and lift out the boiler
from the wall. Place it on a side on the floor.
Remove the expansion vessel bracket
retaining screws, disconnect the pipe from
the vessel and pull ti toward you.
Reassemble in reverse order.
7

FAULT FINDINGCHART Part 1
.
-Check mains electrical connection
-Check internal fuses
-Check connection between the 2
PCBS
Ok
No Yes
Does the red LED 1 No
Ihght ? I
- Ok
Press the reset button
Check or replace the DWH flow
switch Does the pump run 1
Draw off Domestic Hot water
1PLEASECHECKTHEFOLLOWINGPOINTSCAREFULLYBEFOREGOING
Replace DHW flow Check DHW flow switch Does the pump run ? Does the fan run ?
1 switch operation
I
.I , ,
y&3& “--
Lot
-Replace pressure swtch switch continuity
\
J
between P and 2
Check or replace main or secondary
heat exchangers They could be _..“-. ~ ..“.. ,,. .,,- -.iler
-Id 1 Replace spark generator or ignition electrods assembly a go~~~o~~~~o 1 1
11
fully scaled.
I
Release pump rotor
THROUGHTHEFAULTFINDINGCHART
-Gas pressure
-Electric mains
-Minimumwater pressure in the heating circuit (over 0.8 bar)
-All isolatingvalveshavebeenopened
-Boiler air vented
-Minimumdomestic hot water flow of 2 I/min
-Checkthat the heating filter is clear.
Replace driver or control PCB
Replace heating thermistor Check heating
thermistor
Replace pressure switch
Ok
Check air pressure
switch continuity
between P and 1
No
Replace fan assembly
I
& No
I
Replace Driver or control PCB I

FAULT FINDINGCHART Part 2
Does the orange LED
light ? Does the DHW temperature rise ?
Replace control PCB because orange
LED is deffective
Replace control or driver PCB
Check if an overheat occur or replace
overheat sensor
No
Does the red LED
light 1
Yes
Does overheat contact
close ?
Press the reset button
Replace driver PCB
Replace gas solenoids
Do the gas solendids
energise 1
Yes
Is there a gas pressure
at manifold ?
Yes
Replace electrode assembly Check the ionization
electrode
Ok
I
Replace driver PC6 I
No
F
I
Wait until the temperature
becomes stable.
Does DHW temperature
rise over 7o”C?
No
Stop water draw off
J
Replace DHW thermistor
Does the heating outlet
pipe temperature we ?
+Y
Replace the DHW heat exchanger
Replace control PCB Does the orange LED
light ?
+ Yes
Replace the 3 way valve cvi
hot then rotate the heating control
knob anticlockwise to minimum
Replace control PCB Does the orange LED
light ?
I
1No
The boiler is OK
co

SHORT LIST
104---B 411
572
505 811 39
805
607
938
532
615
560
627d
6294
(ey no Description BRITONY COMBI 80 BRITONY COMBI 100
GC N”
104 OVERHEAT THERMOSTAT 100°C 2;7$83
Manf. Pt. N” G.C. N” Manf. Pt. N”
1010572 277783 1010572
110 IGNITION ELECTRODE ASSY 277788 1002801 277788 1002801
111 IONIZATION ELECTRODE 277789 1002802 277789 1002802
113 HEAT EXCHANGER 277790 1010017 1011136
206 FAN ASSY 277804 1010212 1003011
216 PRESSURE SWITCH KIT 277808 81725 277808 81725
411 SOLENOID VALVE KIT 277812 81432 277812 81432
505 THREE-WAY VALVE 277833 1010000 277833 1010000
514 WATER/WATER HEAT EXCHANGER 277836 1002540 1011164
532 WATER THROTTLE HEAD ASSY 277846 81471 277846 81471
553 WATER FILTER 277854 1007727 277854 1007727
560 AIR SEPARATOR HEAD ASSY 277857 1002653 277857 1002653
572 PUMP 1 SPEED 240V 277862 1010774 277862 1010774
605 CONNECTOR 277872 1010349 277872 1010349
607 IGNITER 379075 1002105.20 379075 1002105.20
615 PRINTED CIRCUIT BOARD OF POWER 277880 1010592 277880 1010592
616 PRINTED CIRCUIT BOARD OF REGULATION 277881 1010047 277881 1010047
627 FUSE 250V 2A - TEMPORIZED 277883 1003456 277883 1003456
629 FUSE 250V 1.25A - TEMPORIZED 277884 1003635 277884 1003635
805 PRESSURE GAUGE 1012561 1012561
811 BLACK KNOB 1011699 1011699
922 TAP HEAD ASSY 366937 67704 366937 67704
938 PRESSURE RELIEF VALVE 277770 76584 277770 76584
Chaffoteaux et Maury are continuously improving their products and therefore reserve the right to change specifications without
prior notice and accepts no liability for any errors or omission in the information contained in this document. 8
0 Chaffoteaux et Maury 1996 a:
6
W
iz
Chaffoteaux et Maury Ltd 2
Q
Trench Lock
Trench a
Telford -7
Shropshire Ei
TFI 4SZ :
r:
Tel: [phone]
Fax: [phone]

ESP035
ESP035