Table Of Contents - Biasi Advance Plus 25C User Manual And Installation Instructions

1 APPLIANCE DESCRIPTION . . . . . . . . . . . . 8
1.1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.2 Isolation valves . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.3 Controls panel . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.4 LCD general features . . . . . . . . . . . . . . . . . . . . . 9
2 INSTRUCTIONS FOR USE . . . . . . . . . . . . 12
2.1 Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2 Refilling procedure . . . . . . . . . . . . . . . . . . . . . . 12
2.3 Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.4 C.h. circuit temperature . . . . . . . . . . . . . . . . . . 14
2.5 D.h.w. temperature . . . . . . . . . . . . . . . . . . . . . . 16
2.6 3 star preheating function . . . . . . . . . . . . . . . . . 16
2.7 Extinguishing . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3 USEFUL ADVICE. . . . . . . . . . . . . . . . . . . . 18
3.1 Central Heating. . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2 Frost protection. . . . . . . . . . . . . . . . . . . . . . . . . 18
3.3 Condensate drain . . . . . . . . . . . . . . . . . . . . . . . 18
3.4 Periodic maintenance . . . . . . . . . . . . . . . . . . . . 18
3.5 External cleaning . . . . . . . . . . . . . . . . . . . . . . . 19
3.6 Operational faults . . . . . . . . . . . . . . . . . . . . . . . 19
3.7 Displaying in INFO mode . . . . . . . . . . . . . . . . . 21
3.8 Remote anomaly code . . . . . . . . . . . . . . . . . . . 21
3.9 Flue probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4 TECHNICAL INFORMATION. . . . . . . . . . . 23
4.1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.2 Main diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.3 Technical data Advance Plus 25C . . . . . . . . . . 26
4.4 Technical data Advance Plus 30C . . . . . . . . . . 29
4.5 Technical data Advance Plus 35C . . . . . . . . . . 32
4.6 Hydraulic specifications . . . . . . . . . . . . . . . . . . 35
4.7 Expansion vessel . . . . . . . . . . . . . . . . . . . . . . . 35
5 GENERAL REQUIREMENTS . . . . . . . . . . 36
5.1 Related documents. . . . . . . . . . . . . . . . . . . . . . 36
5.2 Location of appliance . . . . . . . . . . . . . . . . . . . . 36
5.3 Flue system . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
5.4 Gas supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5.5 Air supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5.6 Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
5.7 Condensate drain . . . . . . . . . . . . . . . . . . . . . . . 38
5.8 Water circulation (c.h.) . . . . . . . . . . . . . . . . . . . 39
5.9 Domestic water. . . . . . . . . . . . . . . . . . . . . . . . . 40
5.10 Water treatment . . . . . . . . . . . . . . . . . . . . . . . . 41
5.11 Electrical supply . . . . . . . . . . . . . . . . . . . . . . . . 41
6 INSTALLATION . . . . . . . . . . . . . . . . . . . . . 42
6.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.2 Precautions for installation . . . . . . . . . . . . . . . . 42
6.3 Installing the bracket. . . . . . . . . . . . . . . . . . . . . 43
6.4 Overall dimensions . . . . . . . . . . . . . . . . . . . . . . 44
6.5 Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6.6 Mounting the boiler . . . . . . . . . . . . . . . . . . . . . . 44
6.7 Fitting the flue system. . . . . . . . . . . . . . . . . . . . 45
6.8 Choice of flu . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
6.9 Electric connection . . . . . . . . . . . . . . . . . . . . . . 49
6.10 Connecting the room thermostat or zone valves 51
6.11 External frost protection . . . . . . . . . . . . . . . . . . 52
Appliance category: II2H3P (gas G20 20 mbar, G31 37 mbar)
Country of destination: United Kingdom (GB) Ireland (IE)
This appliance conforms with the following EEC directive:
Gas Directive 2009/142/CE
Boiler Efficiency Directive 92/42/CEE
Electromagnetic Compatibility Directive 2004/108/CE
Low Voltage Directive 2006/95/CE
The manufacturer, in the continuous process to improve his products, reserves the right to modify the data expressed
in the present documentation at any time and without prior notice.
The present documentation is an informative support and it can not be considered as a contract to-wards third parties.

TABLE OF CONTENTS

6.12 Installation of the external temperature probe
(optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.13 Electric connection between the boiler and the
external probe. . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.14 Remote electric connection (optional) . . . . . . . 53
6.15 Example of hydraulic plants with hydraulic
separator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
7 COMMISSIONING . . . . . . . . . . . . . . . . . . . 55
7.1 Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
7.2 Electrical installation . . . . . . . . . . . . . . . . . . . . . 55
7.3 Gas supply installation . . . . . . . . . . . . . . . . . . . 55
7.4 Filling the d.h.w. system . . . . . . . . . . . . . . . . . . 55
7.5 Initial filling of the system . . . . . . . . . . . . . . . . . 55
7.6 Condensate pipe and traps . . . . . . . . . . . . . . . 57
7.7 Checking the gas supply pressure . . . . . . . . . . 57
7.8 Checking the inlet pressure . . . . . . . . . . . . . . . 57
7.9 Lighting the boiler . . . . . . . . . . . . . . . . . . . . . . . 58
7.10 Enabling functioning of the external
temperature probe by the remote control . . . . . 60
7.11 Setting the K coefficient of the external
temperature probe . . . . . . . . . . . . . . . . . . . . . . 60
7.12 Setting the pump post-circulation . . . . . . . . . . . 63
7.13 Selecting the reignition frequency . . . . . . . . . . 65
7.14 Checking the ignition device. . . . . . . . . . . . . . . 67
7.15 Checking the flue system . . . . . . . . . . . . . . . . . 67
7.16 Checking the condensate drain pipe . . . . . . . . 67
7.17 Instructing the user . . . . . . . . . . . . . . . . . . . . . . 67
7.18 Adjustment of useful c.h. output . . . . . . . . . . . . 68
7.19 Setting record . . . . . . . . . . . . . . . . . . . . . . . . . . 69
8 GAS CONVERSION . . . . . . . . . . . . . . . . . 72
8.1 Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
8.2 Operations and gas setting. . . . . . . . . . . . . . . . 72
9 MAINTENANCE. . . . . . . . . . . . . . . . . . . . . 74
9.1 Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
9.2 Dismantling the external panels . . . . . . . . . . . . 74
9.3 Reassembly the external panels . . . . . . . . . . . 75
9.4 Emptying the d.h.w. system . . . . . . . . . . . . . . . 75
9.5 Emptying the c.h. system . . . . . . . . . . . . . . . . . 76
9.6 Cleaning the condensing primary exchanger
and the burner . . . . . . . . . . . . . . . . . . . . . . . . . 76
9.7 Check the pressure of the heating expansion
vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
9.8 Cleaning the domestic hot water exchanger . . 78
9.9 Checking the flue expulsion pipe . . . . . . . . . . . 78
9.10 Combustion analysis check . . . . . . . . . . . . . . . 78
9.11 Checking the condensate drain pipe . . . . . . . . 79
9.12 Visual inspection of appliance . . . . . . . . . . . . . 79
9.13 Checking the gas supply pressure . . . . . . . . . . 79
9.14 Water inhibitor concentration . . . . . . . . . . . . . . 80
9.15 Setting the boiler chimney sweep function . . . . 80
Gas boiler system commissioning check-
list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Service record . . . . . . . . . . . . . . . . . . . . . 83
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