40
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
4
2.2 Appliance
controls
4
2.3
Lighting the boiler
4
2.4
Adjusting the heating temperature
4
2.5
Adjusting the hot water temperature
4
2.6
Explanation of features
4
2.7
Automatic temperature control
4
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
5
4.2
What if I have frequently top-up the system
5
4.3
What if the appliance is due its annual service
5
4.4
What if I need to call an engineer
5
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
Mode of operation (Hot water)
7
1.5 Safety devices
7
Technical data
Page
2.1 Central heating
8
2.2
Domestic hot water
8
2.3 Gas
pressures
8
2.4 Expansion vessel
8
2.5 Dimensions
8
2.6
Clearances
8
2.7 Connections
8
2.8
Electrical
8
2.9
Flue details (concentric 60-100)
8
2.9A Flue details (concentric 80-125)
8
2.9B Flue details (twin pipes)
8
2.10 Ef
fi
ciency
9
2.11 Emissions
9
2.12 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
3.11 Showers
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 Showers
12
3A.12 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
14
4.6 Connecting the gas & water
18
4.7 Electrical
connections
18
Commissioning
Page
5.1
Gas supply installation
19
5.2 The heating system
19
5.3 Initial
fi
lling of the system
19
5.4
Initial
fl
ushing of the system
19
5.5 Pre-operation checks
19
5.6 Initial lighting
19
5.7
Checking gas pressure & combustion analysis
19
5.8
Final
fl
ushing of the heating system
19
5.9
Setting the boiler operating temperature
19
5.10 Setting the system design pressure
19
5.11 Regulating the central heating system
19
5.12 Final checks
20
5.13 Instructing the user 20
Servicing
Page
6.1 General
20
6.2 Routine annual servicing
20
6.3
Replacement of components
20
6.4
Component removal procedure
20
6.5 Pump
assembly
21
6.6 Safety
valve
21
6.7
Lower automatic air release valves
21
6.8 Water pressure switch
21
6.9 Flow thermistor
21
6.10 Return
thermistor
21
6.11 Printed circuit board
21
6.12 Gas
valve
22
6.13 Electrodes & condense sensor
22
6.14 Flue fan & mixer
22
6.15
Burner
22
6.16 Main heat exchanger
23
6.17 Automatic by-pass & DHW non-return valve
23
6.18 Expansion vessel
23
6.19 Condense trap removal
23
6.20 Flue collector removal
24
Checks, adjustments and fault
fi
nding
Page
7.1 Checking appliance operation
25
7.2 Appliance modes of operation
25
7.3 Checking the CO
2
& adjusting the valve
25
7.4 Combustion analysis test
26
7.5 Checking the expansion vessel
26
7.6
External faults
26
7.7 Electrical checks
26
7.8 Fault
fi
nding
27
7.9
Component values & characteristics
27
7.10 Adjustments
28
7.11 Historical
alarms
31
Wiring diagrams
Page
8.1 External
wiring
32
8.2
Typical control application
32
8.3 Other
devices
32
L.P.G. instructions
Page
9.1
Related documents
34
9.2 Technical data
34
9.3
Converting the appliance gas type
34
9.4 Gas
supply
34
9.5
Gas supply installation
34
9.6
Checking the CO
2
and adjusting the gas valve
34
Commissioning
36
Benchmark
37-39