32
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
3
3.2
How to reset the appliance
3
3.3
How to shut down the system for short periods
3
3.4
How to shut down the system for long periods
3
3.5
How to care for the appliance
3
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
6
1.2
Mode of operation (at rest)
6
1.3
Mode of operation (heating)
6
1.4
Safety devices
6
Technical data
Page
2.1
Central heating
7
2.2
Gas pressures
7
2.3
Expansion vessel
7
2.4 Dimensions
7
2.5 Clearances
7
2.6 Connections
7
2.7
Electrical
7
2.8
Flue details (concentric)
7
2.8A Flue details (twin pipes)
7
2.9
Efficiency
7
2.10 Emissions
7
2.11 Pump duty
8
General requirements (UK)
Page
3.1 Related documents
9
3.2
Location of appliance
9
3.3
Gas supply
9
3.4
Flue system
9
3.5
Air supply
9
3.6
Water circulation
9
3.7
Electrical supply
10
3.8
Mounting on a combustible surface
10
3.9
Timber framed buildings
10
3.10 Inhibitors
10
General requirements (EIRE)
Page
3A.1 Related documents
10
3A.2 Location of appliance
10
3A.3 Gas supply
10
3A.4 Flue system
10
3A.5 Air supply
11
3A.6 Water circulation
11
3A.7 Electrical supply
11
3A.8 Mounting on a combustible surface
11
3A.9 Timber framed buildings
11
3A.10 Inhibitors
11
3A.11 Declaration of conformity
11
Installation Page
4.1
Delivery
12
4.2
Contents
12
4.3 Unpacking
12
4.4
Preparation for mounting the appliance
12
4.5
Fitting the flue
12
4.6
Connecting the gas & water
16
4.7
Electrical connections
16
Commissioning
Page
5.1
Gas supply installation
17
5.2
The heating system
17
5.3
Initial filling of the system
17
5.4 Initial flushing of the system
17
5.5
Pre-operation checks
17
5.6
Initial lighting
17
5.7
Checking gas pressure & combustion analysis
17
5.8 Final flushing of the heating system
17
5.9
Setting the boiler operating temperature
17
5.10 Setting the system design pressure
17
5.11 Regulating the central heating system
18
5.12 Final checks
18
5.13 Instructing the user
18
Servicing
Page
6.1 General
18
6.2 Routine annual servicing
18
6.3
Replacement of components
18
6.4
Component removal procedure
18
6.5
Pump assembly
19
6.6
Safety valve
19
6.7
Lower automatic air release valves
19
6.8
Water pressure switch
19
6.9
Flow thermistor
19
6.10 Return thermistor
19
6.11 Printed circuit board
19
6.12 Gas valve
20
6.13 Electrodes
20
6.14 Flue fan & mixer
20
6.15 Burner
20
6.16 Main heat exchanger
21
6.17 Automatic by-pass
21
6.18 Expansion vessel removal
21
6.19 Condense trap removal
21
6.20 Flue collector removal
22
Checks, adjustments and fault finding
Page
7.1
Checking appliance operation
22
7.2
Appliance modes of operation
22
7.3
Checking the CO
2
& adjusting the valve
23
7.4
Combustion analysis test
23
7.5
Checking the expansion vessel
23
7.6
External faults
24
7.7
Electrical checks
24
7.8
Fault finding
24
7.9
Component values & characteristics
24
Wiring diagrams
Page
8.1
External wiring
25
8.2
Typical control applications
25
8.3
Other devices
25
L.P.G. instructions
Page
9.1
Related documents
27
9.2
Technical data
27
9.3
Converting the appliance gas type
27
9.4
Gas supply
27
9.5
Gas supply installation
27
9.6
Checking the CO
2
and adjusting the gas valve
27
Commissioning checklist
28
Benchmark
30-31