3
Technical features and dimensions
Technical Features
General information
Maintenance instructions
ENGLISH
TABLE OF CONTENTS
1
GENErAL INFOrmATION ................................................................................................................................................................................4
1.1 Symbols used in the manual .........................................................................................................................................................................4
1.2 Appropriate use of appliance ........................................................................................................................................................................4
1.3 Water treatment ............................................................................................................................................................................................4
1.4 Information for user or system manager .......................................................................................................................................................4
1.5 Safety warnings ............................................................................................................................................................................................5
1.6 Technical data plate ...................................................................................................................................................................................... 6
1.7 General warnings ..........................................................................................................................................................................................7
2 TECHNICAL FEATurES ANd dImENSIONS .................................................................................................................................................8
2.1 Technical features .........................................................................................................................................................................................8
2.2 main components .........................................................................................................................................................................................8
2.3 dimensions .................................................................................................................................................................................................10
2.4 Operating data ............................................................................................................................................................................................16
3
INSTALLATION INSTruCTIONS
...................................................................................................................................................................15
3.1 General warnings ...................................................................................................................................................................................... 15
3.2 Installation standards ................................................................................................................................................................................ 16
3.3 Packaging .................................................................................................................................................................................................. 16
3.3.1
Handling ........................................................................................................................................................................................... 16
3.4 Positioning in boiler room .......................................................................................................................................................................... 17
3.5 Burner ........................................................................................................................................................................................................ 18
3.5.1 Choosing the burner ........................................................................................................................................................................ 18
3.5.2 Installing the burner ......................................................................................................................................................................... 18
3.5.3
Connecting flame sight glass to burner
........................................................................................................................................... 19
3.6 Furnace door adjustment, opening and closing ........................................................................................................................................ 19
3.6.1 Boiler XC-K 3 .................................................................................................................................................................................... 19
3.7
Connecting flue exhaust pipe
.................................................................................................................................................................... 20
3.8 Connecting boiler to system ...................................................................................................................................................................... 20
3.9 Condensation drainage ............................................................................................................................................................................. 21
3.10
Filling the system .......................................................................................................................................................................................22
3.11 Assembling casing .....................................................................................................................................................................................23
3.11.1 Probe connection ............................................................................................................................................................................ 24
3.12
Electrical connectionsi ...............................................................................................................................................................................25
3.13
mOduLATING mASTEr (dual stage master) panel board ....................................................................................................................... 26
3.13.1
Programming heating controllers with single boiler ........................................................................................................................ 27
3.13.2
Programming parameters Lago basic ............................................................................................................................................ 29
3.13.3
Hydraulic and electric system connection with panel board .......................................................................................................... 30
3.13.4 Programmazione dei termoregolatori con caldaie in cascata ......................................................................................................... 31
3.14 mOduLATING CASCAdE (dual stage cascade) panel board .................................................................................................................. 32
3.14.1
Hydraulic and electric system connection with boilers in cascade ................................................................................................ 33
3.15
Commissioning .......................................................................................................................................................................................... 35
3.16 Adjusting the burner .................................................................................................................................................................................. 36
4 INSPECTIONS ANd mAINTENANCE ............................................................................................................................................................36
Inspection and maintenance instructions ...........................................................................................................................................................36
Boiler body maintenance ...................................................................................................................................................................................37
maintenance of burner .......................................................................................................................................................................................37
Checking ignition electrode ................................................................................................................................................................................37
Components to check during yearly inspection .................................................................................................................................................37
Attention: this manual contains instructions for the exclusive use of the professionally qualified installer and/or maintenance
technician in compliance with current legislation.
The user is NOT qualified to intervene on the boiler.
The manufacturer will not be held liable in case of damage to persons, animals or objects resulting from failure to comply with
the instructions contained in the manuals supplied with the boiler.
