Atmos Heating Systems Installation and user manual EN_FMT
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4.8.2. Low load..................................................................................................................................................
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4.9. Placing the jacket...................................................................................................................................
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4.10. Changing over to LPG-gas....................................................................................................................
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4.10.1. Full load om Propane.............................................................................................................................
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4.11. Display...................................................................................................................................................
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4.11.1. Normal operation (permanent status indication)....................................................................................
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4.11.2. blocking operation (permanent status indication)..................................................................................
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4.11.3 Lock-out (flashing status indication).......................................................................................................
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4.12. Menu structure.......................................................................................................................................
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CHAPTER 5. TEMPERATURE REGULATIONS
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5.1. Central Heating...........................................................................................................................................
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5.1.1. Central heating temperature regulation with on/off thermostat without outside temperature sensor.........
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5.1.2. Central heating temperature regulation with on/off thermostat with outside temperature sensor..............
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5.1.3. Central heating temperature regulation with modulating thermostat with or without outside tempsensor..
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5.2. HWS temperature regulations....................................................................................................................
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5.2.1. Combi-boiler...............................................................................................................................................
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5.2.1.1. HWS heat demand.....................................................................................................................................
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5.2.1.2. End of hot water heat demand...................................................................................................................
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5.2.1.3. Store heat demand.....................................................................................................................................
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5.2.1.4. End of store demand..................................................................................................................................
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5.2.2. Boiler with external HWS cylinder..............................................................................................................
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5.2.2.1. HWS cylinder with external sensor without modulating space unit............................................................
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5.2.2.2. HWS cylinder with external sensor with modulating space unit..................................................................
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5.2.3. HWS cylinder with thermostat without modulating space unit....................................................................
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5.2.4. HWS cylinder with thermostat with modulating space unit.........................................................................
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CHAPTER 6 BURNER STATES and MONITORING
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6.1. Burner states..............................................................................................................................................
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6.1.1. Rest state...................................................................................................................................................
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6.1.2 Purging/Prestart.........................................................................................................................................
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6.1.3. Ignition........................................................................................................................................................
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6.1.4. Operation....................................................................................................................................................
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6.1.5. Post-ventilation...........................................................................................................................................
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6.1.6. Functional locking.......................................................................................................................................
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6.2. Monitoring...................................................................................................................................................
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6.2.1. Monitoring the pump circulation..................................................................................................................
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6.2.2. Pump programm.........................................................................................................................................
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6.2.3. Pump test programm..................................................................................................................................
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6.2.4. Static pressure monitoring..........................................................................................................................
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6.2.5. Difference in temperature...........................................................................................................................
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6.2.6. Maximum temperature limitation................................................................................................................
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6.2.7 Flue gas temperature limitation..................................................................................................................
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6.2.8. Flow sensor protection...............................................................................................................................
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6.2.9. Frost protection..........................................................................................................................................
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6.2.10. Monitoring the fan speed............................................................................................................................
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6.2.11. Glow plug protection...................................................................................................................................
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CHAPTER 7. MAINTENANCE
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7.1. Annual maintenance..................................................................................................................................
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7.1.1. Checking the CO
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percentage on full load................………………………………………………………….
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7.1.2. Measuring the load on the unit .................................................................................................................
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7.1.3. Checking the condensation water drain.......……………………………………………………………………
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7.1.4. Ionisation probe..........................................................................................................................................
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7.1.5. Water pressure...........................................................................................................................................
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CHAPTER 8. MALFUNCTIONS
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8.1. Draining the unit.........................................................................................................................................
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8.2. No signal on the display.............................................................................................................................
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8.3. Fault code U/d or U/O (alternating U with a status code will appear on the display...................................
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8.4. Unit does not respond to central heating heat demand..............................................................................
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8.5. Unit does not respond to HWS demand......................................................................................................
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8.6. Three-way-diverter valve............................................................................................................................
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8.7. Check function of gas control.....................................................................................................................
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8.8. Measuring the fan impedance....................................................................................................................
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8.9. Fitting instructions for the pressure sensor................................................................................................
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