Biasi M96A.24SM/B, User Manual And Installation Instructions

Page: 5 / 48

TABLE OF CONTENTS
1
1 Appliance description 2 . . . . . . . . . .
1.1 Overview 2 . . . . . . . . . . . . . . . . . . . . . .
1.2 Control panel 2 . . . . . . . . . . . . . . . . . .
1.3 Isolation valves 2 . . . . . . . . . . . . . . . . .
1.4 Technical data 2 . . . . . . . . . . . . . . . . .
1.5 Operation lights 3 . . . . . . . . . . . . . . . .
2 Instructions for use 4 . . . . . . . . . . . .
2.1 Warnings 4 . . . . . . . . . . . . . . . . . . . . . .
2.2 Refilling procedure 4 . . . . . . . . . . . . . .
2.3 Ignition 5 . . . . . . . . . . . . . . . . . . . . . . . .
2.4 C.h. circuit temperature 5 . . . . . . . . . .
2.5 D.h.w. temperature 6 . . . . . . . . . . . . . .
2.6 Extinguishing 6 . . . . . . . . . . . . . . . . . .
2.7 Built in time switch A 7 . . . . . . . . . . . .
2.8 Built in time switch B 9 . . . . . . . . . . . .
3 Useful advice 11 . . . . . . . . . . . . . . . . .
3.1 Central heating 11 . . . . . . . . . . . . . . . . .
3.2 Frost protection 11 . . . . . . . . . . . . . . . .
3.3 Condensate drain 11 . . . . . . . . . . . . . .
3.4 Periodic maintenance 11 . . . . . . . . . . .
3.5 External cleaning 11 . . . . . . . . . . . . . . .
3.6 Operational faults 11 . . . . . . . . . . . . . . .
4 Technical information 13 . . . . . . . . . .
4.1 Overview 13 . . . . . . . . . . . . . . . . . . . . . .
4.2 Main diagram 14 . . . . . . . . . . . . . . . . . .
4.3 Hydraulic specifications 15 . . . . . . . . .
4.4 Expansion vessel 15 . . . . . . . . . . . . . . .
4.5 Technical data mod. M96A.24SM/... 16
4.6 Technical data mod. M96A.28SM/... 18
5 General requirements 20 . . . . . . . . . .
5.1 Related documents 20 . . . . . . . . . . . . .
5.2 Location of appliance 20 . . . . . . . . . . .
5.3 Flue system 20 . . . . . . . . . . . . . . . . . . . .
5.4 Gas supply 21 . . . . . . . . . . . . . . . . . . . .
5.5 Air supply 21 . . . . . . . . . . . . . . . . . . . . .
5.6 Ventilation 21 . . . . . . . . . . . . . . . . . . . . .
5.7 Condensate drain 21 . . . . . . . . . . . . . .
5.8 Water circulation (c.h.) 22 . . . . . . . . . . .
5.9 Domestic water 23 . . . . . . . . . . . . . . . . .
5.10 Water treatment 23 . . . . . . . . . . . . . . . .
5.11 Electrical supply 23 . . . . . . . . . . . . . . . .
6 Installation 25 . . . . . . . . . . . . . . . . . . . .
6.1 Warnings 25 . . . . . . . . . . . . . . . . . . . . . .
6.2 Precautions for installation 25 . . . . . . .
6.3 Installing the bracket 25 . . . . . . . . . . . .
6.4 Overall dimensions 26 . . . . . . . . . . . . .
6.5 Joints 26 . . . . . . . . . . . . . . . . . . . . . . . . .
6.6 Mounting the boiler 26 . . . . . . . . . . . . .
6.7 Fitting the flue system 27 . . . . . . . . . . .
6.8 Choice of flue 27 . . . . . . . . . . . . . . . . . .
6.9 Electrical connections 30 . . . . . . . . . . .
6.10 External frost protection 31 . . . . . . . . .
7 Commissioning 32 . . . . . . . . . . . . . . .
7.1 Electrical installation 32 . . . . . . . . . . . .
7.2 Gas supply installation 32 . . . . . . . . . .
7.3 Filling the d.h.w. system 32 . . . . . . . . .
7.4 Initial filling of the system 32 . . . . . . . .
7.5 Condensate pipe and traps 33 . . . . . .
7.6 Lighting the boiler 33 . . . . . . . . . . . . . .
7.7 Checking the gas pressure
at the burner 33 . . . . . . . . . . . . . . . . . . .
7.8 Checking the burner ignition 34 . . . . .
7.9 Checking the ignition device 35 . . . . .
7.10 Checking the flue system 35 . . . . . . . .
7.11 Checking the condensate drain pipe 35
7.12 Instructing the user 35 . . . . . . . . . . . . .
8 Gas conversion 36 . . . . . . . . . . . . . . .
8.1 Warnings 36 . . . . . . . . . . . . . . . . . . . . . .
8.2 Procedures 36 . . . . . . . . . . . . . . . . . . . .
9 Maintenance 38 . . . . . . . . . . . . . . . . . .
9.1 Warnings 38 . . . . . . . . . . . . . . . . . . . . . .
9.2 Dismantling the external panels 38 . . .
9.3 Emptying the d.h.w. system 38 . . . . . .
9.4 Emptying the c.h. system 38 . . . . . . . .
9.5 Combustion analysis check 39 . . . . . .
9.6 Cleaning the primary heat exchanger 39
9.7 Checking the pressurisation
in the expansion vessel 39 . . . . . . . . . .
9.8 Cleaning the burner 39 . . . . . . . . . . . . .
9.9 Checking the flue 39 . . . . . . . . . . . . . . .
9.10 Drain pipe inspection 39 . . . . . . . . . . . .
9.11 Visual inspection of appliance 39 . . . .
9.12 Gas pressures and tightness 39 . . . . .
Abbreviations used in the manual
C.h. = Central heating
D.h.w. = Domestic hot water
D.c.w. = Domestic cold water
USE
IN
S
TA
LLA
TI
O
N
M
A
IN
TE
NA
NCE