TABLE OF CONTENTS
1
1
Appliance description
2
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1.1 Overview
2
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1.2 Control panel
2
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1.3 Isolation valves
2
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1.4 Technical data
2
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1.5 Operation lights
3
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2
Instructions for use
4
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2.1 Warnings
4
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2.2 Refilling procedure
4
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2.3 Ignition
4
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2.4 C.h. circuit temperature
5
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2.5 D.h.w. temperature
6
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2.6 Extinguishing
7
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2.7 Built in time switch
7
. . . . . . . . . . . . . .
3
Useful advice
10
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3.1 Central heating
10
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3.2 Frost protection
10
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3.3 Periodic maintenance
10
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3.4 External cleaning
10
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3.5 Operational faults
10
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4
Technical information
12
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4.1 Overview
12
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4.2 Main diagram
13
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4.3 Technical data mod. M110.24SM/...
14
4.4 Technical data mod. M110.32SM/...
16
4.5 Hydraulic specifications
18
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4.6 Expansion vessel
18
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5
General requirements
19
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5.1 Related documents
19
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5.2 Location of appliance
19
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5.3 Flue system
19
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5.4 Gas supply
20
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5.5 Air supply
20
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5.6 Ventilation
20
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5.7 Condensate drain
20
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5.8 Water circulation (c.h.)
21
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5.9 Domestic water
22
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5.10 Water treatment
22
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5.11 Electrical supply
22
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6
Installation
23
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6.1 Warnings
23
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6.2 Precautions for installation
23
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6.3 Installing the bracket
23
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6.4 Overall dimensions
24
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6.5 Joints
24
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6.6 Mounting the boiler
24
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6.7 Fitting the flue system
25
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6.8 Choice of flue
25
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6.9 Electrical connections
26
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6.10 External frost protection
28
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6.11 External temperature probe (optional) 28
7
Commissioning
30
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7.1 Electrical installation
30
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7.2 Gas supply installation
30
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7.3 Filling the d.h.w. system
30
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7.4 Initial filling of the system
30
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7.5 Condensate pipe and traps
31
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7.6 Lighting the boiler
31
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7.7 Checking the gas supply pressure
32
7.8 Maximum output in c.h. mode
33
. . . .
7.9 External temperature probe setting
(optional)
33
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7.10 Checking the ignition device
34
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7.11 Checking the flue system
34
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7.12 Checking the condensate drain pipe
34
7.13 Instructing the user
34
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8
Maintenance
35
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8.1 Warnings
35
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8.2 Dismantling the external panels
35
. . .
8.3 Emptying the d.h.w. system
35
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8.4 Emptying the c.h. system
35
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8.5 Combustion analysis check
36
. . . . . .
8.6 Cleaning the condensing heat
exchanger and burner
36
. . . . . . . . . . .
8.7 Checking the pressurisation
in the expansion vessel
37
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8.8 Cleaning the burner
37
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8.9 Checking the flue
37
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8.10 Drain pipe inspection
37
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8.11 Visual inspection of appliance
37
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8.12 Gas pressures and soundness
37
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8.13 Water inhibitor concentration
37
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Abbreviations used in the manual:
C.h. = Central heating
D.h.w. = Domestic hot water
D.c.w. = Domestic cold water
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