Baxi EcoBlue Advance Combi Quick Start Manual Page 63
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Comp No. 7212138 - 02 (06/14) EcoBlue Advance Combi 63
Maintenance 10
EV1
EV2
P. OU T
1 2 3 4
VENT
RQ
ADJ.
P
.
R
.
A
D
J
.
Throttle
Adjustment Screw
(cover removed)
Offset
Adjustment
Screw
(cap fitted)
Gas Valve
Fig. 71
If the CO
2
is reset at minimum
rate it must be rechecked at
maximum rate again and
adjusted if required. If the CO
2
is reset at maximum rate it must
be rechecked at minimum rate
and adjusted if required.
Do not turn the adjustment
screws more than 1/8 of a turn
at a time. Allow the analyser
reading to settle before any
further adjustment
Reduce CO
2
at min. rate
Increase CO
2
at min. rate
Reduce CO
2
at max. rate
Increase CO
2
at max. rate
Fig. 70
Plug
Analyser Probe
Flue Sampling
Point
/R
/P
++
R
‘Chimney Sweep Mode’
• This function must not be activated whilst the burner is lit.
• The case front panel must be fitted when checking
combustion.
• Ensure the system is cold
1. Press & together and hold for at least 6
seconds. is displayed briefly followed by flashing
alternately with , or .
2. represents MAXIMUM HEATING input, represents
MAXIMUM DHW input whilst denotes MINIMUM input.
3. Press or to adjust the input.
4. The valve must be checked and set at MAXIMUM DHW
input & MINIMUM input.
R
10.3.25 Setting the Gas Valve (CO
2
Check)
The CO2 must be only be checked and adjusted to set
the valve if a suitable calibrated combustion analyser is
available, operated by a competent person - see
Section 10.1.3.
1. The combustion (CO
2
) may be checked after running the
boiler for several minutes. To do this it is necessary to operate
the boiler in ‘Chimney Sweep Mode’.
The CO
2
should be 8.7% ± 0.2 at MAXIMUM
2. It is possible to alter the CO
2
by adjustment of the gas valve.
At maximum rate the Throttle Adjustment Screw should be
turned, using a suitable 2.5 hexagon key, until the correct
reading is obtained (Fig. 100).
Turning clockwise will reduce the CO
2
. Anticlockwise
will increase th e CO
2
.
3. The CO
2
must then be checked at minimum rate.
The CO
2
should be 8.4% ± 0.2 at MINIMUM
4. With the boiler on minimum, the Offset Adjustment Screw
must be altered, using a suitable 4mm hexagon key, after
removing the cap (Fig. 100).
Turning anti-clockwise will reduce the CO
2
. Clockwise
will increase th e CO
2
.
5. Check the Combustion Performance (CO/CO
2
ratio). This
must be less than 0.004.
Refit the sampling point plug and ensure there is no
leakage of products.
- United Kingdom 1
- Model Range 2
- Contents 4
- 1 Introduction 7
- 1.3 Symbols Used 8
- 1.4 Abbreviations 8
- 1.5 Extent of Liabilities 9
- 1.6 Homologations 10
- 1.6.2 Standards 11
- 2 Safety 12
- 2.3.1 Handling 13
- 3 Technical Specifications 14
- NATURAL GAS ONLY ! 15
- 3.1 Technical Data (cont) 15
- Dimensions 16
- 3.3 Electrical Diagram 17
- 4 Description of the Product 18
- 4.2 Operating Principle 19
- ADJ.ADJ 20
- 4.4 Control Panel Description 21
- 4.5 Standard Delivery 22
- 4.6 Accessories & Options 22
- 5 Before Installation 23
- 5.2 Installation Requirements 24
- 5.2.7 Showers 25
- 5.3 Choice of the Location 27
- 2.5° Minimum fall 28
- 50mm per metre 28
- 50mm per metre of pipe run 28
- 5.3.6 Clearances 30
- Before Installation 5 31
- Te r m inal 32
- Assembly 32
- Top View Rear Flue 32
- Property Boundary Line 32
- Ø 60/100 Flue Systems 34
- Ø 80/125 Flue Systems 34
- Ø 80/80 Twin Flue Systems 34
- Plume Displacement Kit 34
- SNAP OFF 35
- 5.6 Connecting Diagrams 36
- 6 Installation 37
- 6.3 Preparation 38
- Securing Screw 39
- Sealing Tape 39
- ‘TOP’ Label 39
- 6.5 Electrical Connections 41
- 6.6 Filling the Installation 41
- 2.5m Min 42
- 7 Commissioning 43
- 7.3 Commissioning Procedure 44
- 7.4 Gas Settings 44
- Commissioning 7 45
- 7.5 Configuring the System 46
- 7.6 Final Instructions 46
- 7.6.2 System Draining 47
- 8 Operation 48
- 9 Settings 50
- After refitting the sampling 51
- Operation 52
- Changing Components 53
- 10.3.4 Burner 55
- 10.3.6 Flue Sensor 56
- 10.3.7 Igniter (Fig. 54) 56
- Note offset 59
- (‘Hall Effect’ Sensor) 60
- 10.3.23 Expansion Vessel 62
- 10.3.24 Gas Valve (Fig. 69) 62
- Adjustment 63
- Adjustment Screw 63
- 11 Troubleshooting 64
- Troubleshooting 11 65
- Spark Ignition 68
- Electrode 68
- Sensing 68
- 12 Decommissioning 70
- 13 Spare Parts 71
- 14.2 Spare Parts List 72
- 14.3 Electrical Diagram 73
- SERVICE RECORD 75
- Website www.baxi.co.uk 76
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