Supplied By www.heating spares.co Tel. 0161 620 6677
Contents
Design principles & operating sequence
Page
1.1
Principle components
2
1.2
Mode of operation (at rest)
2
1.3
Heat request mode
2
1.4
Safety devices
2
Technical data
Page
2.1
Central heating
3
2.2
Gas pressure
3
2.3
Expansion vessel
3
2.4
Dimensions
3
2.5
Clearances
3
2.6
Connections
3
2.7
Electrical
3
2.8
Flue details
3
2.9
Efficiency
3
2.10 Parameter defaults
3
2.11 Emissions
3
2.12 Pump duty
4
General requirements
Page
3.1
Related documents
4
3.2
Location of appliance
4
3.3
Gas supply
5
3.4
Flue system
5
3.5
Air supply
5
3.6
Water circulation
5
3.7
Electrical supply
6
3.8
Combustible surfaces
6
3.9
Timber framed buildings
6
3.10 Condensate disposal
6
3.11 Inhibitors
6
Installation
Page
4.1
Delivery
7
4.2
Contents
7
4.3
Unpacking
7
4.4
Preparation for mounting
7
4.5
Fitting the flue
7
4.6
Connecting the gas & water
10
4.7
Condensate outlet
11
4.8
Electrical connections
11
Commissioning
Page
5.1
Gas supply installation
12
5.2
The heating system
12
5.3
Initial filling of the system
12
5.4
Initial flushing of the system
12
5.5
Pre-operation checks
12
5.6
Initial lighting
12
5.7
Final flushing of the system
12
5.8
Operating parameters
13
5.9
Functional parameters
13
5.10 Range rating
13
5.11 Setting the system design pressure
13
5.12 Regulating the central heating system
13
5.13 Final checks
14
5.14 Instructing the user
14
Servicing
Page
6.1
General
14
6.2
Routine annual servicing
14
6.3
Replacement of components
14
6.4
Component removal procedure
14
6.5
Pump head removal
15
6.6
Safety valve removal
15
6.7
Automatic air valve removal
15
6.8
Pressure gauge removal
15
6.9
Temperature sensor removal
15
6.10 Main PCB removal
15
6.11 Gas valve removal
16
6.12 Fan removal
16
6.13 Burner removal
16
6.14 Electrode removal
16
6.15 Injector removal
16
6.16 Hydraulic manifold assembly
17
6.17 Condense trap removal
17
6.18 Condense pressure switch removal
17
6.19 Combustion cover removal
17
6.20 Expansion vessel removal
18
6.21 Input & status PCB removal
18
Checks, adjustments, and fault finding
Page
7.1
Checking appliance operation
19
7.2
Mode of operation
19
7.3
Checking/adjusting fan speeds
19
7.4
Adjusting the gas valve
20
7.5
Status code
21
7.6
Lockout faults codes
21
7.7
Diagnostic recall
21
7.8
Temperature sensor viewing mode
22
7.9
Checking the expansion vessel
22
7.10 External faults (installation)
22
7.11 Electrical checks
22
7.12 Fault finding
23
Wiring diagrams
Page
8.1
Important note
26
8.2
Installation of Vokera time clock
26
8.3
External controls
26
Exploded diagrams
Page
9.1
Table 1
31
9.2
Table 2
32
9.3
Table 3
33
9.4
Table 4
34
9.5
Table 5
35
L.P.G. instructions
Page
10.1 Technical data
36
10.2 Related documents
36
10.3 Gas supply
36
10.4 Gas supply installation
36
10.5 Adjusting the gas valve
36
10.6 Range rating
37
