Table Of Contents - Biasi Activ A 18S User Manual And Installation Instructions

Wall hung, fanflue, roomsealed, high efficiency gas boiler
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1 APPLIANCE DESCRIPTION . . . . . . . . . . . . . 8
1.1
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.2
Isolation valves . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.3
Controls panel . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.4
LCD general features . . . . . . . . . . . . . . . . . . . . 10
2 INSTRUCTIONS FOR USE . . . . . . . . . . . . 12
2.1
Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2
Refi lling procedure . . . . . . . . . . . . . . . . . . . . . . 12
2.3
Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.4
C.h. circuit temperature . . . . . . . . . . . . . . . . . . 13
2.5
Extinguishing . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3 USEFUL ADVICE. . . . . . . . . . . . . . . . . . . . 16
3.1
Central Heating. . . . . . . . . . . . . . . . . . . . . . . . . 16
3.2
Frost protection. . . . . . . . . . . . . . . . . . . . . . . . . 16
3.3
Condensate drain . . . . . . . . . . . . . . . . . . . . . . . 16
3.4
Periodic maintenance . . . . . . . . . . . . . . . . . . . . 16
3.5
External cleaning . . . . . . . . . . . . . . . . . . . . . . . 17
3.6
Operational faults . . . . . . . . . . . . . . . . . . . . . . . 17
3.7
Displaying in INFO mode . . . . . . . . . . . . . . . . . 18
3.8
Remote anomaly code . . . . . . . . . . . . . . . . . . . 19
3.9
Flue probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4 TECHNICAL INFORMATION. . . . . . . . . . . 20
4.1
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2
Main diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.3
Hydraulic specifi cations . . . . . . . . . . . . . . . . . . 23
4.4
Expansion vessel . . . . . . . . . . . . . . . . . . . . . . . 23
4.5
Technical data Activ A 18S . . . . . . . . . . . . . . . . 24
4.6
Technical data Activ A 25S . . . . . . . . . . . . . . . . 26
4.7
Technical data Activ A 30S . . . . . . . . . . . . . . . . 28
5 GENERAL REQUIREMENTS . . . . . . . . . . 30
5.1
Related documents. . . . . . . . . . . . . . . . . . . . . . 30
5.2
Location of appliance . . . . . . . . . . . . . . . . . . . . 30
5.3
Flue system . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.4
Gas supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5.5
Air supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.6
Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.7
Condensate drain . . . . . . . . . . . . . . . . . . . . . . . 32
5.8
Water circulation (c.h.) . . . . . . . . . . . . . . . . . . . 33
5.9
Water treatment . . . . . . . . . . . . . . . . . . . . . . . . 34
5.10 Electrical supply . . . . . . . . . . . . . . . . . . . . . . . . 34
6 INSTALLATION . . . . . . . . . . . . . . . . . . . . . 35
6.1
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.2
Precautions for installation . . . . . . . . . . . . . . . . 35
6.3
Installing the bracket. . . . . . . . . . . . . . . . . . . . . 36
6.4
Overall dimensions . . . . . . . . . . . . . . . . . . . . . . 37
6.5
Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.6
Mounting the boiler . . . . . . . . . . . . . . . . . . . . . . 37
6.7
Fitting the fl ue system. . . . . . . . . . . . . . . . . . . . 38
6.8
Choice of fl u . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.9
Electric connection . . . . . . . . . . . . . . . . . . . . . . 42
Abbreviations used in the manual:
C.h. = Central heating
D.h.w. = Domestic hot water
D.c.w. = Domestic cold wate
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 90/396/CEE
Boiler Effi ciency Directive 92/42/CEE
Electromagnetic Compatibility Directive 89/336/CEE
Low Voltage Directive 73/23/CEE
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 par-
ties.

TABLE OF CONTENTS

valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6.11 External frost protection . . . . . . . . . . . . . . . . . . 45
(optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
external probe. . . . . . . . . . . . . . . . . . . . . . . . . . 49
separator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
7 COMMISSIONING . . . . . . . . . . . . . . . . . . . 51
7.1
Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
7.2
Electrical installation . . . . . . . . . . . . . . . . . . . . . 51
7.3
Gas supply installation . . . . . . . . . . . . . . . . . . . 51
7.4
Initial fi lling of the system . . . . . . . . . . . . . . . . . 51
7.5
Condensate pipe and traps . . . . . . . . . . . . . . . 52
7.6
Lighting the boiler . . . . . . . . . . . . . . . . . . . . . . . 53
7.7
Checking the gas supply pressure . . . . . . . . . . 54
7.8
Checking the inlet pressure . . . . . . . . . . . . . . . 54
7.9
temperature probe by the remote control . . . . . 55
temperature probe . . . . . . . . . . . . . . . . . . . . . . 56
7.13 Checking the ignition device. . . . . . . . . . . . . . . 62
7.14 Checking the fl ue system . . . . . . . . . . . . . . . . . 62
7.16 Instructing the user . . . . . . . . . . . . . . . . . . . . . . 63
7.17 Adjustment of useful c.h. output . . . . . . . . . . . . 63
7.18 Setting record . . . . . . . . . . . . . . . . . . . . . . . . . . 65
8 GAS CONVERSION . . . . . . . . . . . . . . . . . 67
8.1
Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
8.2
Operations and gas setting. . . . . . . . . . . . . . . . 67
9 MAINTENANCE. . . . . . . . . . . . . . . . . . . . . 69
9.1
Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
9.2
Dismantling the external panels . . . . . . . . . . . . 69
9.3
Emptying the c.h. system . . . . . . . . . . . . . . . . . 70
9.4
and the burner . . . . . . . . . . . . . . . . . . . . . . . . . 71
9.5
vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
9.6
Checking the fl ue expulsion pipe . . . . . . . . . . . 72
9.7
Combustion analysis check . . . . . . . . . . . . . . . 72
9.8
9.9
Visual inspection of appliance . . . . . . . . . . . . . 72
9.11 Water inhibitor concentration . . . . . . . . . . . . . . 73
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