5
CONTENTS
Warnings
page 3
General information for fitters, maintenance technician and user
page 4
1. User instructions
page 7
1.1. Control panel
page 7
1.2. LCD
page 8
1.3. Boiler status - LCD activation correspondence
page 9
1.4. Operating the boiler
page 10
1.4.1. Switching on
page 10
1.4.2. CH function
page 10
1.4.3. DHW function
page 10
1.4.4. ANTI-FREEZE function
page 11
1.4.5. PUMP AND VALVE ANTI-SHUTDOWN function
page 12
1.4.6. Operation with (optional) external probe
page 12
1.4.7. Operation with (optional) remote control
page 12
1.5. Boiler shutdown
page 13
1.5.1. Burner shutdown
page 13
1.5.2. Shutdown due to overheating
page 13
1.5.3. Shutdown due air/flue gas system malfunction
page 13
1.5.4. Shutdown due a water circulation malfunction
page 13
1.5.5. Shutdown for fan malfunction
page 14
1.5.6. Alarm due to temperature probe malfunction
page 14
1.5.7. Alarm due to (optional) remote control connection malfunction
page 14
1.5.8. Alarm due to (optional) external probe malfunction
page 14
1.6. Maintenance
page 14
1.7. Notes for the user
page 14
2. Technical features and dimensions
page 15
2.1. Technical features
page 15
2.2. Dimensions
page 16
2.3. Hydraulic layouts
page 17
2.4. Operating data
page 19
2.5. General characteristics
page 20
3. Instructions for the fitter
page 21
3.1. Installation standards
page 21
3.2. Installation
page 21
3.2.1. Packaging
page 21
3.2.2. Choosing where to install the boiler
page 21
3.2.3. Positioning the boiler
page 21
3.2.4. Installing the boiler
page 23
3.2.5. Boiler room ventilation
page 23
3.2.6. Air intake/flue gas discharge system
page 24
3.2.6.1. Air/flue gas system duct configuration
page 26
3.2.6.2. Ø 100/60 mm and 125/80 mm air/flue gas coaxial duct system
page 27
3.2.6.3. Ø 80 mm air/flue gas split duct system
page 28
3.2.7. Testing combustion efficiency
page 28
3.2.7.1. “Chimney sweep” function
page 28
3.2.7.2. Measurement procedure
page 29
3.2.8. Gas mains connection
page 29
3.2.9. Hydraulic connections
page 30
3.2.10. Power mains connection
page 30
3.2.11. Selecting central heating output range
page 31
3.2.12. Room thermostat installation (optional)
page 31
3.2.13. Installation of the Open Therm remote control (optional)
page 31
3.2.14. Installation of the (optional) external probe and “sliding temperature” operation
page 32
3.3. Filling the system
page 34
3.4. Starting the boiler
page 34
3.4.1. Preliminary checks
page 34
3.4.2. Switching on and off
page 34
3.5. Wiring diagram
page 35
3.6. Adapting to other gases and regulating the burner
page 36
3.6.1. Switching from Methane to Propane
page 38
3.6.2. Switching from Propane to Methane
page 38
3.6.3. Burner adjustment
page 38
4. Testing the boiler
page 38
4.1. Preliminary checks
page 39
4.2. Switching on and off
page 39
5. Maintenance
page 40
5.1. Maintenance schedule
page 40
5.2. Combustion analysis
page 40
6. Troubleshooting
page 41
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