37
Users instructions
Things you should know
Page
1.1 Gas
appliances
1
1.2 Electrical
supply
1
1.3
Guarantee registration card
1
1.4
Appliance Log Book (UK only)
1
1.5
How does it work?
1
1.6 Dimensions
1
1.7 Clearances
required
1
1.8
Frost protection system
1
1.9
Appliance status indicators
1
Getting
started
Page
2.1
Before switching ON
3
2.2 Appliance
controls
3
2.3
Lighting the boiler
3
2.4
Adjusting the heating temperature
3
2.5
Explanation of features
3
2.6
Automatic temperature control
3
How to...
Page
3.1
How to top-up the system pressure
4
3.2
How to reset the appliance
4
3.3
How to shut down the system for short periods
4
3.4
How to shut down the system for long periods
4
3.5
How to care for the appliance
4
What if...
Page
4.1
What if I suspect a gas leak
4
4.2
What if I have frequently top-up the system
4
4.3
What if the appliance is due its annual service
4
4.4
What if I need to call an engineer
4
Installation and Servicing instructions
Design principles & operating sequence
Page
1.1 Principle
components
7
1.2 Mode of operation (at rest)
7
1.3 Mode of operation (heating)
7
1.4 Safety devices
7
Technical data
Page
2.1 Central heating
8
2.2 Gas
pressures
8
2.3 Expansion vessel
8
2.4 Dimensions
8
2.5 Clearances
8
2.6 Connections
8
2.7
Electrical
8
2.8
Flue details (concentric)
8
2.8A Flue details (twin pipes)
8
2.9 Effi ciency
8
2.10 Emissions
8
2.11 Pump
duty
9
General requirements (UK)
Page
3.1 Related documents
10
3.2 Location of appliance
10
3.3 Gas supply
10
3.4 Flue system
10
3.5 Air supply
10
3.6 Water circulation
10
3.7 Electrical supply
11
3.8
Mounting on a combustible surface
11
3.9 Timber framed buildings
11
3.10 Inhibitors
11
General requirements (EIRE)
Page
3A.1 Related documents
11
3A.2 Location of appliance
11
3A.3 Gas supply
11
3A.4 Flue system
11
3A.5 Air supply
12
3A.6 Water circulation
12
3A.7 Electrical supply
12
3A.8 Mounting on a combustible surface
12
3A.9 Timber framed buildings
12
3A.10 Inhibitors
12
3A.11 Declaration of conformity
12
Installation Page
4.1
Delivery
13
4.2
Contents
13
4.3
Unpacking
13
4.4 Preparation for mounting the appliance
13
4.5 Fitting
the
fl ue
13
4.6 Connecting the gas & water
17
4.7 Electrical
connections
17
Commissioning
Page
5.1
Gas supply installation
18
5.2 The heating system
18
5.3 Initial
fi lling of the system
18
5.4
Initial
fl ushing of the system
18
5.5 Pre-operation checks
18
5.6 Initial lighting
18
5.7
Checking gas pressure & combustion analysis
18
5.8
Final
fl ushing of the heating system
18
5.9
Setting the boiler operating temperature
18
5.10 Setting the system design pressure
18
5.11 Regulating the central heating system
19
5.12 Final checks
19
5.13 Instructing the user
19
Servicing
Page
6.1 General
19
6.2 Routine annual servicing
19
6.3
Replacement of components
19
6.4
Component removal procedure
19
6.5 Pump
assembly
20
6.6 Safety
valve
20
6.7
Lower automatic air release valves
20
6.8 Water pressure switch
20
6.9 Flow thermistor
20
6.10 Return
thermistor
20
6.11 Printed circuit board
20
6.12 Gas
valve
21
6.13 Electrodes
21
6.14 Flue fan & mixer
21
6.15
Burner
21
6.16 Main heat exchanger
22
6.17 Automatic by-pass
22
6.18 Expansion vessel removal
22
6.19 Condense trap removal
22
6.20 Flue collector removal
23
Checks, adjustments and fault
fi
nding
Page
7.1 Checking appliance operation
23
7.2 Appliance modes of operation
23
7.3 Checking the CO
2
& adjusting the valve
24
7.4 Combustion analysis test
24
7.5 Checking the expansion vessel
24
7.6
External faults
25
7.7 Electrical checks
25
7.8 Fault
fi nding
25
7.9
Component values & characteristics
25
7.10 Adjustments
26
Wiring diagrams
Page
8.1 External
wiring
29
8.2
Typical control applications
29
8.3 Other
devices
29
L.P.G. instructions
Page
9.1
Related documents
31
9.2 Technical data
31
9.3
Converting the appliance gas type
31
9.4 Gas
supply
31
9.5
Gas supply installation
31
9.6
Checking the CO
2
and adjusting the gas valve
31
Benchmark
34-35
Commissioning
36
Содержание Mynute i20
Страница 39: ...39...