Table Of Contents - Biasi BASICA COND 28S User Manual And Installation Instructions

1 APPLIANCE DESCRIPTION . . . . . . . . . . . . 8
1.1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.2 Isolation valves . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.3 Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.4 LCD general features . . . . . . . . . . . . . . . . . . . . 10
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 Switching off . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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 Flue probe and safety thermal fuse . . . . . . . . . 19
4 TECHNICAL INFORMATION. . . . . . . . . . . 20
4.1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2 Main diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.3 Hydraulic specifications . . . . . . . . . . . . . . . . . . 23
4.4 Expansion vessel . . . . . . . . . . . . . . . . . . . . . . . 23
4.5 Technical data BASICA COND 28S
(M275V.28 SR) . . . . . . . . . . . . . . . . . . . . . . . . . 24
5 GENERAL REQUIREMENTS . . . . . . . . . . 27
5.1 Related documents. . . . . . . . . . . . . . . . . . . . . . 27
5.2 Location of appliance . . . . . . . . . . . . . . . . . . . . 27
5.3 Flue system . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.4 Gas supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.5 Air supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.6 Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
5.7 Condensate drain . . . . . . . . . . . . . . . . . . . . . . . 30
5.8 Water circulation (C.H.) . . . . . . . . . . . . . . . . . . 31
5.9 Water treatment . . . . . . . . . . . . . . . . . . . . . . . . 32
5.10 Electrical supply . . . . . . . . . . . . . . . . . . . . . . . . 32
6 INSTALLATION . . . . . . . . . . . . . . . . . . . . . 33
6.1 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.2 Precautions for installation . . . . . . . . . . . . . . . . 33
6.3 Installing the bracket. . . . . . . . . . . . . . . . . . . . . 34
6.4 Overall dimensions . . . . . . . . . . . . . . . . . . . . . . 35
6.5 Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.6 Mounting the boiler . . . . . . . . . . . . . . . . . . . . . . 35
6.7 Fitting the flue system. . . . . . . . . . . . . . . . . . . . 36
6.8 Choice of flue . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.9 Electric connection . . . . . . . . . . . . . . . . . . . . . . 39
6.10 Connecting the room thermostat or zone valves 40
6.11 Installation of the external temperature probe . 41
6.12 Electric connection between the boiler and the
external probe. . . . . . . . . . . . . . . . . . . . . . . . . . 41
6.13 Remote electric connection (optional) . . . . . . . 41
6.14 Example of hydraulic systems with hydraulic
separator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Abbreviations used in the manual:
C.H. = Central heating
D.H.W. = Domestic hot water
D.C.W. = Domestic cold water

TABLE OF CONTENTS

7 COMMISSIONING . . . . . . . . . . . . . . . . . . . 43
7.1 Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7.2 Electrical installation . . . . . . . . . . . . . . . . . . . . . 43
7.3 Gas supply installation . . . . . . . . . . . . . . . . . . . 43
7.4 Initial filling of the system . . . . . . . . . . . . . . . . . 43
7.5 Condensate pipe and traps . . . . . . . . . . . . . . . 45
7.6 Checking the gas supply pressure . . . . . . . . . . 45
7.7 Checking the inlet pressure . . . . . . . . . . . . . . . 45
7.8 Lighting the boiler . . . . . . . . . . . . . . . . . . . . . . . 46
7.9 Checking the ignition device. . . . . . . . . . . . . . . 47
7.10 Checking the flue system . . . . . . . . . . . . . . . . . 47
7.11 Checking the condensate drain pipe . . . . . . . . 48
7.12 Instructing the user . . . . . . . . . . . . . . . . . . . . . . 48
8 ADVANCED COMMISSIONING . . . . . . . . 49
8.1 Access parameters for installer . . . . . . . . . . . . 49
8.2 Enabling of operation with remote control
(optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
8.3 Setting the K coefficient of the external
temperature probe . . . . . . . . . . . . . . . . . . . . . . 50
8.4 Selecting the maximum heating temperature
setpoint with climatic curve set . . . . . . . . . . . . . 52
8.5 Selecting the heating temperature set . . . . . . . 53
8.6 Setting the pump post-circulation . . . . . . . . . . . 54
8.7 Selecting the reignition frequency . . . . . . . . . . 54
8.8 Factory reset. . . . . . . . . . . . . . . . . . . . . . . . . . . 55
8.9 Settings for changing the control board . . . . . . 56
9 GAS CONVERSION . . . . . . . . . . . . . . . . . 60
9.1 Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
9.2 Operations and gas setting. . . . . . . . . . . . . . . . 60
10 MAINTENANCE. . . . . . . . . . . . . . . . . . . . . 62
10.1 Warnings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
10.2 Programming the maintenance period . . . . . . . 62
10.3 Dismantling the external panels . . . . . . . . . . . . 63
10.4 Reassembly the external panels . . . . . . . . . . . 64
10.5 Emptying the C.H. system . . . . . . . . . . . . . . . . 64
10.6 Cleaning the condensing primary exchanger
and the burner . . . . . . . . . . . . . . . . . . . . . . . . . 64
10.7 Check the pressure of the heating expansion
vessel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
10.8 Checking the flue system . . . . . . . . . . . . . . . . . 66
10.9 Combustion analysis check . . . . . . . . . . . . . . . 66
10.10 Checking the condensate drain pipe . . . . . . . . 67
10.11 Visual inspection of appliance . . . . . . . . . . . . . 67
10.12 Checking the gas supply pressure . . . . . . . . . . 67
10.13 Water inhibitor concentration . . . . . . . . . . . . . . 68
10.14 Setting the boiler flue sweep function. . . . . . . . 68
11 BENCHMARK COMMISSIONING &
WARRANTY VALIDATION SERVICE
RECORD . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Gas boiler system commissioning checklist &
warranty validation record . . . . . . . . . . . . . . . . 71
Service & interim boiler work record. . . . . . . . . 72
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