Table of Contents
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CONTENTS
1
1.1
General Safety Information . . . . . . . . . . . . . . . . . 42
1.2
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
2
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
2.4.2 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
3.1
Installation standards . . . . . . . . . . . . . . . . . . . . . 52
3.2
Requirements for proper installation . . . . . . . . . . 53
3.3
boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
3.4
heating circuit water . . . . . . . . . . . . . . . . . . . . . . 53
3.5
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
3.10.2 "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
The following symbols are used in this manual:
b
Identifies actions that require caution
CAUTION! =
and adequate preparation.
a
Identifies actions that you MUST NOT do.
STOP! =
42
4
4.1
Preliminary operations . . . . . . . . . . . . . . . . . . . . 67
4.2
Turning the boiler on and off . . . . . . . . . . . . . . . . 67
4.3
Boiler operating modes. . . . . . . . . . . . . . . . . . . . 67
43
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
52
4.7
5
5.1
Routine maintenance . . . . . . . . . . . . . . . . . . . . . 74
5.2
Extraordinary maintenance . . . . . . . . . . . . . . . . . 74
5.3
Checking the combustion parameters . . . . . . . . 74
6
6.1
Installer Level . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.2
Factory Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.3
Monitor Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
6.4
Parameter List . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
This manual, Code
- Rev.
comprises
pages.
67
74
75
41
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