Chaffoteaux & Maury Britony combi 80, Britony combi 100 Maintenance And Service Manual
-=G v
AA
Heating and Instantaneous Domestic Hot Water
Dimensions
MAINTENANCE AND
SERVICE GUIDE
combi 80 and 100
Fanned Flue Combination Boiler
CC
Edition et COMLEC 4/95
‘lue types:
: 12 C 22 or C42: horizontal
:32xx:
vertical concentric
Technical data
Heat input C/H & DHW Combi 80 :
Combi 100 :
Heat output C/H & DHW Combi 80 :
Combi 100 :
Max. operating pressure C/H circuit :
Expansion vessel net capacity
Expansion vessel initial pressure
Electrical consumption :
Voltage
Electrical protection index
Fuses :
Nominal gas flow rate at 15°C and 1013 mbar
-Natural gas ( G 20) at 20 mbar
-Butane gas ( G 30 ) at 28 mbar
-Propane gas (G 31 ) at 37 mbar
:
:
JKLMN I
Boiler outer case dimensions : I Safety valve outlet
11.73 to 28.70 kW
15.43 to 34.57 kW
9.5 to 23.25 kW
12.5 to 28 kW
2.5 bar
5.4 I
0.7 bar
15ow
230 v
IP24
2Aand 1.25A
power 23.25 kW
Height : 850
- Boiler width : 440 (minimum space required 450)
- Depth : 380
DHW flow rate at @ 30°C Combi 80 :
DHW flow rate at @ 35°C Combi 80 :
Minimum DHW operating flow rate :
Minimum DHW working pressure
Maximum DHW working pressure
Gas category :
BRITONY Combi 80
Maximum
2.74 m3/h 1.22 m3/h
2.04 kg/h 0.91 kg/h
2.00 kg/h
Minimum
power 9.5 kW
0.89 kg/h
J Heating flow
K D.H.W. flow
L Gas supply
M Cold water inlet
N Heating return
Combi 100 :
Combi 100 :
: 0.1 bar
:
BRITONY Combi 100
Maximum
power 28.2 kW
3.34 m3/h
2.45 kg/h
2.42 kg/h
11.1 I/min
13.4 I/min
9.54 I/min
11.5 I/min
2 I/min
10 bar
II 2E+ 3+
Minimum
power 12.5 kW
1.57 m3/h
1.17 kg/h
1.15 kg/h
Injectors and gas valves seat diameter
-Blue solenoid restrictor diameter
-Black solenoid restrictor diameter
-Manifold injectors (16)
BRITONY Combi 80
Natural qas
2.40 mm
4.25 mm 5.00 mm
1.23 mm
Butane or Propane
1.74 mm
0.72 mm
BRITONY Combi 100
Natural qas
2.80 mm
5.20 mm
1.26 mm
1 Butane or Propane
1.90 mm
3.80 mm
0.76 mm
Pump and expanssion vessel characteristics
Hauteurmanomemque
m
5
1
3
2
1
0
100
200 300
1. CH Flow isolating valve
2. DHW outlet
3. Gas service tap
4. Water service tap
5. CH Return isolating valve
400 5OD 600
1 = by-pass closed
2 = by-pass open
Head available / flow
700 800 utl
Components location
DPbd
bar
13
I,7
13
I,3
1 ,I
03
0,7
20 50
Note : The system initial pressure should be over the following value :
System static height (in metre) + 0.7 = Initial pressure (in bar)
7. Pressure relief valve
8. Chassis
9. Connecting tails (x 5)
100 150 200 250 c (I)
10
10. Steel chassis complete with expansion
Jesse1
11. Sealed chamber
12. Expansion vessel (not visible)
13. Overheat thermostat
14. Electrical box
15.Three position selector switch
16. User’s guide
17. Heating flow temperature adjustment
18. CH pressure gauge
20. Green indicator - Power ON
21. Orange indicator - Burner ON
?2. Red indicator - Lock out/flame failure
?3. Reset button
3 4 95
24. Multigas burner comprising:
-25. 16 burner head
-26. Manifold
-27. 2 Ignition electrode
-28. lonization electrode
29. Gas section comprising:
-30. Security valve (grey)
-31. l/3 gas stage (blue)
-32. 2/3 gas stage (black)
33. Right hydraulic assy
34. Left hydraulic assy
35. Single speed pump
36. Air separator
37. Heating thermistor
38. DHW thermistor
8
7
39. Combustion chamber made of
aluminium coated steel with 4 ceramic fibre panels to insure heat insulation
40. Copper main exchanger
41. Stainless steel secondary plate
exchanger
42. Three way valve
43. connecting bracket
44. DHW flowstat
45. Heating flowstat
46. Flue hood
47. Adjustable by-pass
49. Air Pressure switch
50. 45” elbow comprising venturi
51. Fan
2
WNCTIONING
gas service tap is opened at the gasmeter and
the
50
‘9 0 ‘3 0 x3
‘3 ‘3 0 ,3
‘3
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.
Heating and Hot Water
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
‘1111 and 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
the heating will be on.
When there is a need for hot water while heating control thermistor (37). This
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
momentarily while the hot water is being
delivered. The boiler will switch back automatically to heating when the tap is turned
Off.
Note: If the boiler has been turned off for
some time the first attempt to light it may
result in a lockout @ (22) . If this happens
press the reset button (23) and the boiler subsequent hot water demand.
will light.
Domestic Hot Water Mode
To be able to supply hot water, the selector
switch 15 must be in either on ,:’ or
‘1111 2
the green indicator light 0 (20)
When a tap or shower is turned on, the flow
of mains water, above 2 litres per min., will tor light 0 (20).
activate the DHW flow switch (44) and
allow the 3 way valve (42) to move to the
DHW position. The pump can now circulate (either from the room thermostat or the
primary water heated by the main heat clock) the pump starts. If the boiler tempeexchanger through the secondary heat rature control is calling for heat and prima-
exchanger.
The first stage solenoid (31) (blue) and .
security solenoid (30) (grey) open together
to allow gas to the burner. The ignition
sequence begins and a continuous high
speed spark ignites the gas. As soon as a
flame is detected the orange indicator bulb
h (21) will light and the second stage solenoid (32) (black) opens to allow the full gas the orange indicator bulb b (21) will light.
rate. If a flame is not detected, after 8 After 45 seconds the second stage soleseconds, the security solenoid closes and noid (32) (black) opens to allow the full
shuts
bulb @ (22) will light. The domestic hot
position. This will be confirmed by
Off
the gas. The red lockout indicator
interrupted
water temperature is controlled by the hot shuts off the gas. The red lockout indicate
water control thermistor 38 and the central bulb 0 22 will light.
SYS-
The central heating flow temperature i:
re in the secondary heat exchanger and thermistor (37). The boiler has been desi
ensures accurate temperature regulation. gned to minimise cycling and will not attemp
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
guished and the pump stops. The boiler room thermostat is satisfied the burner wil
will now stay in the hot water mode for switch off and the pump will remain running
three minutes to maintain temperature to for a further 3 minutes before it too stops.
ensure a fast response in the event of a
NB
It is possible to override the 3 minute dela!
Priority will be given to a demand for hot by pressing the RESET button (23).
water. This will interrupt the central heating for the duration of hot water delivery. Lock out procedure
Flame disappearance :
Central Heating Mode
To be able to supply heating, the selector
switch (15) must be on
This will be confirmed by the green indica-
When there is a demand for heating
ry flow rate over 4 Itr/min, the central ton (23).
heating flow switch operates ailowing the
Ignition sequence to begin. The first stage Overheat detection :
solenoid (31) (blue) and security solenoid If an overheat is detected by the senso
(30) (grey) open together to allow gas to (13), the grey security solenoid (30) and the
the burner. The ignition sequence begins
and a continuous high speed spark ignites
the gas. As soon as a flame is detected
gas
rate, lf a flame is not detected, after 8
seconds, the security solenoid closes and
‘Ill1
c? position.
When the ionisation electrode (28) does no
detect flame presence. The orange indicate
lamp (21) extinguishes. A lighting cyck
starts. If a flame is not detected before f
seconds, the grey security solenoid (30) ark
the blue i/3 solenoid (31) will close. The
lock out red indicator (22) lights, the pump
(35) runs and the 3 way valve (42) stays ir
Its position.
After a few seconds, it will become possibk
to reset the boiler by pressing the reset but
blue i/3 (31) closes, the orange indicate
lamp (21) extinguishes. The ignitor is energi
sed for 8 seconds and the red lockout indi
cator (22) ligths. If the burner cannot religh
the boiler will go to lockout.
WIRING
rEiimiq
El
4
Plug for main power and Room
thermostat connection
1 2 3
1. Neutral
2. Phase
3. Room thermostat live
4. Accelerator resistor
5. Common for Accelerator and room
thermostat.
4
5
I
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