Copyright by Servizio Clienti ANGELO PO Spa
2
CONTENTS
1. COMMERCIAL MODEL NUMBER............................................................................................................4
1.1. Connection diagram electric and gas..................................................................................................7
1.2. Water characteristics...........................................................................................................................9
2. FUNCTIONAL DIAGRAM COMBI OVEN................................................................................................10
2.1. Open valve operation........................................................................................................................11
2.2. Closed valve operation......................................................................................................................12
2.3. Drain cooldown / steam condensing operation................................................................................14
2.4. Steam producing operation...............................................................................................................15
3. ELECTRONIC BOARDS FOR LEVELS 2-3, INVERTER, FUSES, OVERLOAD RELAYS....................16
3.1. Electronic boards level 3 general layout ...........................................................................................16
3.2. “Service” menu..................................................................................................................................21
3.3. Explanation table...............................................................................................................................28
3.4. Inverter ..............................................................................................................................................29
3.5. Electronic boards Level 2 general layout..........................................................................................32
3.6. Explanation table...............................................................................................................................40
3.7. FX fuses description:.........................................................................................................................41
4. OPERATION TESTING, ADJUSTING, INSTALLATION REPORT, GAS CIRCUIT ALARM..................42
4.1. System operation ..............................................................................................................................42
4.1.1. Premixed system general principles.......................................................................................42
4.1.2. Power schemes......................................................................................................................43
4.2. System components..........................................................................................................................45
4.2.1. Gas valve ( CSA approved)....................................................................................................47
4.2.2. Mixer.......................................................................................................................................48
4.2.3. Air blower fan..........................................................................................................................49
4.2.4. Blower control board...............................................................................................................50
4.2.5. Combustion control board ......................................................................................................51
4.2.6. General functional diagram ...................................................................................................52
4.2.7. Spark plug and flame detector kit...........................................................................................53
4.2.8. Burner.....................................................................................................................................54
4.2.9. Heat exchanger ......................................................................................................................55
4.2.10. Exhaust extraction kit .............................................................................................................56
4.3. Blower control board: logic operation................................................................................................57
4.3.1. Ignition standard cycle............................................................................................................59
4.3.2. GAS alarm: F4: flame missing................................................................................................60
4.4. Gas setup..................................................................................Errore. Il segnalibro non è definito.
4.4.1. Setup gas ...............................................................................................................................61
4.4.2. Recommended values of combustion....................................................................................63
4.4.3. Adjustment during the test......................................................................................................64
4.5. Problems during the test setup wizard.............................................................................................67
4.6. Gas flue analysis...............................................................................................................................68
4.7. Installation report...............................................................................................................................69
4.8. Gas alarms and burner problem solving...........................................................................................71
4.9. Gas conversion .................................................................................................................................74
4.10. Levels 2: Gas test .............................................................................................................................75