Warning this manual contains the exclusive instructions for use for professionally qualified
installers and/or maintenance technicians, in compliance with laws in force.
The individual in charge of the system is NOT authorised to work on the boiler.
The manufacturer will not be held liable in the case of damage to people, animals or property
due to the failure to observe the instructions contained in the manuals supplied with the boiler.
1
General information ...................................................................4
1.1 Symbols used in the manual ........................................................4
1.2 Compliant use of the appliance ...................................................4
1.3 Information to be provided to the user .....................................4
1.4 Safety warnings .............................................................................5
1.5 Regulations for installation..........................................................6
1.6 Installation .....................................................................................6
1.7 Water treatment ............................................................................7
1.8 general warnings ...........................................................................8
2
Technical characteristics and dimensions .................................9
2.1 Technical characteristics ..............................................................9
2.2 View of main parts ......................................................................10
2.3 Dimensions ..................................................................................11
2.4 Operating data / general characteristics ..................................12
3
Instructions for installation .....................................................13
3.1 General recommendations ........................................................13
3.2 Packaging .....................................................................................14
3.3 Operation to unload and remove the packaging ...................15
3.4 Positioning the heating control unit.........................................16
3.5 Connecting the boiler ................................................................17
3.6 Gas connection............................................................................18
3.7 System flow and return pipe connection .................................19
3.8 Additional safety, protection and control devices ..................20
3.9 Hydraulic separator ....................................................................21
3.10 Hydraulic system filter ...............................................................21
3.11 Determining the primary circuit pump or boiler pump .......22
3.12 Ball valves .....................................................................................22
3.13 complete optional kits ................................................................23
3.14 condensate drain .........................................................................24
3.15 Connecting the flue ....................................................................25
3.16 Flue exhaust manifold connection ...........................................25
3.17 Electrical connections ................................................................27
General recommendations ........................................................27
230V electrical supply connection ...........................................28
3.18 Connection diagram ..................................................................29
Power supply, gas electrovalve, ON/OFF
pump, external probe, flow switch. ...........................................29
Power supply, gas electrovalve, modulating pump, external
probe, flow switch. ......................................................................29
ON/OFF thermostat connection. .............................................30
Modulating room thermostats connection. ............................31
Modulating zone manager connection. ...................................31
3.19 Practical connection diagram ...................................................32
3.20 Connections and management diagram ..................................34
3.21 Examples of installation (functional diagram and
description of connections) .......................................................36
3.22 System filling and emptying ......................................................41
3.23 Boiler frost protection ................................................................41
3.24 Check the adjustment of the pressure to the burner ..............42
Nozzles - pressures. ....................................................................44
3.25 Emergency and safety operations ............................................46
3.26 First ignition ................................................................................47
4
Inspections and maintenance ..................................................48
INDEX
The manufacturer declines all liability due to printing or transcription errors, reserving the right to make any modifications to its technical and
commercial documents without forewarning.
The company
IMMERGAS S.p.A.
, with registered office in via Cisa Ligure 95 42041 Brescello (RE), declares that the design, manufac-
turing and after-sales assistance processes comply with the requirements of standard
UNI EN ISO 9001:2008.
For further details on the product CE marking, request a copy of the Declaration of Conformity from the manufacturer, specifying the
appliance model and the language of the country.
