41
CONTENTS
The following symbols are used in this manual:
b
CAUTION! =
Identifies actions that require caution
and adequate preparation.
a
STOP! =
Identifies actions that you MUST NOT do.
This manual, Code
- Rev.
comprises
pages.
1 WARNINGS AND SAFETY . . . . . . . . . . . . . . . 42
1.1 General Safety Information . . . . . . . . . . . . . . . . . 42
1.2 Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
2 DESCRIPTION OF THE APPLIANCE . . . . . . 43
2.1 Description of the appliance. . . . . . . . . . . . . . . . 43
2.2 Functional elements of the appliance. . . . . . . . . 44
2.3 Max. dimensions and connections . . . . . . . . . . . 45
2.4 Water circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
2.4.1 Water circuit without internal diverter valve . . . . 46
2.4.2 Water circuit with internal diverter valve . . . . . . . 46
2.5 Control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
2.6 Technical specifications . . . . . . . . . . . . . . . . . . . 48
2.7 Pump. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
2.8 Multi-row wiring diagram. . . . . . . . . . . . . . . . . . . 50
3 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . 52
3.1 Installation standards . . . . . . . . . . . . . . . . . . . . . 52
3.2 Requirements for proper installation. . . . . . . . . . 53
3.3 Eliminating the air from the heating circuit and
boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
3.4 Cleaning the system / characteristics of the
heating circuit water . . . . . . . . . . . . . . . . . . . . . . 53
3.5 Positioning the boiler and making the hydraulic
connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
3.6 Outdoor sensor installation . . . . . . . . . . . . . . . . . 55
3.7 Electrical connections. . . . . . . . . . . . . . . . . . . . . 56
3.7.1 Grounding system. . . . . . . . . . . . . . . . . . . . . . . . 56
3.7.2 Connection to the electrical power supply . . . . . 56
3.8 Gas connections. . . . . . . . . . . . . . . . . . . . . . . . . 56
3.9 Hydraulic diagrams. . . . . . . . . . . . . . . . . . . . . . . 57
3.10 Evacuation of combustion products and air
suction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
3.10.1 "Forced open" installation (type B23P-B53P) . . . 63
3.10.2 "Airtight" installation (type C). . . . . . . . . . . . . . . . 63
3.10.3 Use of old flue pipes . . . . . . . . . . . . . . . . . . . . . . 65
3.10.4 Preparation for the condensate drain . . . . . . . . . 65
3.10.5 Filling the heating system . . . . . . . . . . . . . . . . . . 66
3.10.6 Emptying the heating system . . . . . . . . . . . . . . . 66
4 IGNITION AND OPERATION . . . . . . . . . . . . . 67
4.1 Preliminary operations . . . . . . . . . . . . . . . . . . . . 67
4.2 Turning the boiler on and off . . . . . . . . . . . . . . . . 67
4.3 Boiler operating modes. . . . . . . . . . . . . . . . . . . . 67
4.3.1 Domestic hot water temperature setting. . . . . . . 67
4.4 Heating water temperature adjustment. . . . . . . . 68
4.4.1 Adjustment without an external climate control
probe (optional) . . . . . . . . . . . . . . . . . . . . . . . . . 68
4.4.2 Adjustment with an external climate control
probe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
4.5 Monitoring the boiler . . . . . . . . . . . . . . . . . . . . . . 69
4.5.1 Boiler operating status . . . . . . . . . . . . . . . . . . . . 69
4.5.2 Temperatures set by the user . . . . . . . . . . . . . . . 70
4.5.3 Monitor function . . . . . . . . . . . . . . . . . . . . . . . . . 70
4.5.4 Error messages. . . . . . . . . . . . . . . . . . . . . . . . . . 71
4.6 Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4.7 Changing Gas - Methane-LPG transformation . . 73
5 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . 74
5.1 Routine maintenance . . . . . . . . . . . . . . . . . . . . . 74
5.2 Extraordinary maintenance. . . . . . . . . . . . . . . . . 74
5.3 Checking the combustion parameters . . . . . . . . 74
6 PROGRAMMING. . . . . . . . . . . . . . . . . . . . . . . 75
6.1 Installer Level . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.2 Factory Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.3 Monitor Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.4 Parameter List. . . . . . . . . . . . . . . . . . . . . . . . . . . 76