INDEX OF CONTENTS
1 SAFETY AND SYMBOLS ...................................................................................4
1.1 SYMBOLS .......................................................................................................................................................................................... 4
1.2 SAFETY ..............................................................................................................................................................................................4
2 OVERVIEW AND TECHNICAL FEATURES ........................................................8
2.1 Conformity to CE standards ...................................................................................................................................................... 8
2.2 GENERAL FEATURES ..................................................................................................................................................................... 8
2.3 TECHNICAL DATA .......................................................................................................................................................................... 9
2.4 DIMENSIONS .................................................................................................................................................................................13
2.5 ELECTRICAL DIAGRAM OF THE APPLIANCE .......................................................................................................................18
3 TRANSPORTATION AND POSITIONING .......................................................19
4 HYDRAULIC INSTALLATION ..........................................................................22
4.1 GENERAL INSTALLATION PRINCIPLES ..................................................................................................................................22
4.2 HYDRAULIC CONNECTIONS ....................................................................................................................................................23
4.3 GAS SUPPLY...................................................................................................................................................................................23
4.4 CONDENSATE DISCHARGE .......................................................................................................................................................24
4.5 WATER QUALITY...........................................................................................................................................................................25
4.6 FILLING OF HYDRAULIC CIRCUIT ...........................................................................................................................................28
4.7 EXHAUST FLUE GAS ....................................................................................................................................................................28
5 ELECTRICAL INSTALLATION ..........................................................................30
5.1 ELECTRICAL POWER SUPPLY ...................................................................................................................................................31
5.2 WIRING OF AN ON/OFF CIRCULATION PUMP ...................................................................................................................32
5.3 WIRING OF A MODULATING PUMP .......................................................................................................................................36
5.4 ON/OFF PERMISSIVE ..................................................................................................................................................................38
5.5 CAN BUS CABLE CONNECTION .............................................................................................................................................39
5.6 HOW TO RESET THE FLAME CONTROLLER FROM REMOTE ..........................................................................................43
6 COMMISSIONING AND FIRST START UP ......................................................46
6.1 PROCEDURE FOR FIRST START UP .........................................................................................................................................46
6.2 CHANGE OF GAS TYPE ..............................................................................................................................................................50
7 NORMAL OPERATION ....................................................................................52
7.1 SWITCHING ON AND OFF .........................................................................................................................................................52
7.2 ON-BOARD ELECTRONICS ........................................................................................................................................................52
7.3 OPERATING SETTINGS ...............................................................................................................................................................55
7.4 DISPLAYING AND RESETTING OPERATING CODES ..........................................................................................................57
7.5 RESET OPERATIONS ....................................................................................................................................................................57
7.6 MANUAL DI DEFROSTING ........................................................................................................................................................59
7.7 PROLONGED PERIODS OF DISUSE ........................................................................................................................................59
8 MAINTENANCE ...............................................................................................62
OPERATING CODES/TROUBLESHOOTING ...........................................................64
1 OVERVIEW AND OPERATING CODES/TROUBLESHOOTING ..........................................................................................64
ACCESSORIES .........................................................................................................66
APPENDIX ...............................................................................................................67
1 SAFETY DEVICES PRESCRIBED BY THE PED .......................................................................................................................67
2 ADDITIONAL SAFETY DEVICES ...............................................................................................................................................68
3 SAFETY VALVE REPLACEMENT OPERATIONS .....................................................................................................................69
4 NON-CONDENSABLE OR NON-ABSORBABLE GASES .....................................................................................................72
