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 4........................
2.4 C.h. circuit temperature 5..........
2.5 D.h.w. temperature 6..............
2.6 Extinguishing 7..................
2.7 Built in time switch A 7............
2.8 Built in time switch B 9............
3Usefuladvice 12.................
3.1 Central heating 12.................
3.2 Frost protection 12................
3.3 Periodic maintenance 12...........
3.4 External cleaning 12...............
3.5 Operational faults 12...............
4 Technical information 14..........
4.1 Overview 14......................
4.2 Main diagram 15..................
4.3 Technical data
mod. M110B.24SM/... 16...........
4.4 Technical data
mod. M110B.32SM/... 18...........
4.5 Hydraulic specifications 20.........
4.6 Expansion vessel 20...............
5 General requirements 21..........
5.1 Related documents 21.............
5.2 Location of appliance 21...........
5.3 Flue system 21....................
5.4 Gas supply 22....................
5.5 Air supply 22.....................
5.6 Ventilation 22.....................
5.7 Condensate drain 22..............
5.8 Water circulation (c.h.) 23...........
5.9 Domestic water 24.................
5.10 Water treatment 24................
5.11 Electrical supply 24................
6 Installation 26....................
6.1 Warnings 26......................
6.2 Precautions for installation 26.......
6.3 Installing the bracket 26............
6.4 Overall dimensions 27.............
6.5 Joints 27.........................
6.6 Mounting the boiler 27.............
6.7 Fitting the flue system 28...........
6.8 Choice of flue 28..................
6.9 Electrical connections 30...........
6.10 External frost protection 31.........
7 Commissioning 33...............
7.1 Electrical installation 33............
7.2 Gas supply installation 33..........
7.3 Filling the d.h.w. system 33.........
7.4 Initial filling of the system 33........
7.5 Condensatepipeandtraps 34......
7.6 Lighting the boiler 34..............
7.7 Checking the gas supply pressure 35
7.8 Maximum output in c.h. mode 36....
7.9 External temperature probe setting
(optional) 36......................
7.10 Checking the ignition device 37.....
7.11 Checking the flue system 37........
7.12 Checking the condensate drain pipe 37
7.13 Instructing the user 38.............
8 Gas conversion 39...............
8.1 Warnings 39......................
8.2 Procedures 39....................
9 Maintenance 42..................
9.1 Warnings 42......................
9.2 Dismantling the external panels 42...
9.3 Emptying the d.h.w. system 42......
9.4 Emptying the c.h. system 42........
9.5 Combustion analysis check 43......
9.6 Cleaning the condensing
heat exchanger and burner 43......
9.7 Checking the pressurisation
in the expansion vessel 44..........
9.8 Cleaning the burner 44.............
9.9 Checking the flue 44...............
9.10 Drain pipe inspection 44............
9.11 Visual inspection of appliance 44....
9.12 Gas pressures and soundness 44...
9.13 Water inhibitor concentration 44.....
Abbreviations used in the manual:
C.h. = Central heating
D.h.w. = Domestic hot water
D.c.w. = Domestic cold water
USE
INSTALLATIONMAINTENANCE