Morco FEB-24ED - Page 2

1- WARNINGS AND PRECAUTIONS ..........................................1
2 - FEATURES ............................................................................................................2
3 - DESCRIPTION OF FUNCTIONING.......................................................................5
3.1.1 General description .......................................................................................................5
3.1.2 Hydraulic Circuit ............................................................................................................4
3.1.2 PCB (Photograph).........................................................................................................9
3.1.3 Gas Circuit .................................................................................................................. 14
3.1.4 Air circuit..................................................................................................................... 18
3.2 - External auto test functions...........................................................................................19
3.3- On board auto test functions and boiler configuration set up........................................26
3.4 -Trouble shooting + lock out codes................................ .................................................32
3.5- Trouble shooting Flow charts..........................................................................................36
3.6- Assembly and disassembly hydraulic unit.......................................................................44
3.7- Functional flow charts..................................................................................................... 47
3.8- PCB Schematic drawing..................................................................................................53