INSTALLATION INSTRUCTION
4
GENERAL SAFETY DEVICES pag. 5
DESCRIPTION OF THE APPLIANCE
Description “ 6
Safety devices “ 6
Identification “ 7
Structure “ 8
Technical specifications “ 9
Water circuit “ 10
Positioning the probes “ 11
Pumps “ 11
Wiring diagrams “ 14
Control panels “ 18
User interface “ 19
- Display mode “ 20
- Readout mode “ 20
- Setting the user parameters “ 21
- Monitor mode “ 22
- Installer programming mode “ 23
- Test mode “ 24
- Error mode “ 24
- Reset faults “ 24
INSTALLER
Receiving the product pag. 25
Dimensions and weight “ 25
Handling “ 26
Room where the boiler is installed “ 26
Installation in old systems or systems to be
upgraded “ 27
Installing the boiler “ 28
Water connections “ 28
Fuel connections “ 30
Flue gas outlet and combustion air intake “ 30
Electrical connections “ 33
Installing the outside probe “ 35
Filling and emptying the systems “ 36
Preparing for first start-up “ 38
TECHNICAL
Starting for the first time pag. 39
Checks during and after first start-up “ 41
Setting the functional parameters “ 45
Setting the central heating parameters “ 45
Setting the domestic hot water parameters “ 47
Setting the temperature controller “ 48
Setting the addresses for cascading
configurations “ 54
Fault codes “ 56
List of parameters “ 58
Conversion from one type of gas to the other “ 60
Adjustments “ 62
SHUTTING
Temporary shutdown “ 63
Shutting down for extended periods “ 63
SERVICING
Servicing “ 64
Cleaning the boiler and dismantling
the inside components “ 64
TROUBLESHOOTING “ 69
The following symbols are used in some parts of this
booklet:
b CAUTION = actions that require special care
and suitable preparation
a PROHIBITED = actions that absolutely must
NOT be carried out
Contents
This booklet, code 20006444 - Rev. 4 (03/10), contains 72 pages.
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