Riello Vokera Linea ONE, Installation & Servicing Instructions Manual, Page: 2 / 40

6.5 Pump assembly 18
6.6 Safety valve 19
6.7 Bottom automatic air release valves 19
6.8 Water pressure sensor/gauge 19
6.9 Primary thermistors 19
6.10 Return thermistors 19
6.11 Printed circuit board 19
6.12 Gas valve 19
6.13 Electrode and condense sensor 20
6.14 Flue fan & mixer 20
6.15 Burner 20
6.16 Main heat exchanger 20
6.17 Flow restrictor 21
6.18 DHW flow meter 21
6.19 DHW heat exchanger 21
6.20 Valve actuator 21
6.21 Divertor valve assembly 21
6.22 DHW thermistor 21
6.23 Automatic by-pass & DHW non-return valve 21
6.24 Expansion vessel 22
6.25 Condense trap removal 22
6.26 Flue collector removal 22
Checks, adjustments and fault finding Page
7.1 Checking appliance operation 23
7.2 Appliance mode of operation 23
7.3 Service mode & parameters 25
7.4 Adjustments 27
7.5 Combustion analysis test 27
7.6 Checking the expansion vessel 28
7.7 External faults 28
7.8 Electrical checks 28
7.9 Fault finding 28
7.10 Temporary fault codes 28
7.11 Final fault codes 28
Wiring diagrams Page
8.1 External wiring 29
8.2 Typical control applications 29
8.3 Vokera room thermostat 29
8.4 Other devices 29
L.P.G. instructions Page
9.1 Related documents 32
9.2 Technical data 32
9.3 Converting the appliance gas type 32
9.4 Gas supply 32
9.5 Gas supply installation 32
9.6 Adjusting the gas valve 32
Commissioning checklist 33
Benchmark 34-36
Contents
Design principles & operating sequence Page
1.1 Principle components 3
1.2 Mode of operation 3
1.3 Mode of operation (Heating) 3
1.4 Mode of operation (DHW) 3
1.5 Safety devices 3
1.6 Optional accessories 3
Technical data Page
2.1 Central heating 4
2.2 Domestic hot water 4
2.3 Gas pressure 4
2.4 Expansion vessel 4
2.5 Dimensions 4
2.6 Clearances 4
2.7 Connections 4
2.8 Electrical 4
2.9 Flue details (concentric) 4
2.9A Flue details (twin pipes) 4
2.9B Flue details (80/125) 4
2.10 Efficiency 4
2.11 Emissions 5
2.12 Range rated 5
2.13 Pump duty 5
General requirements (UK) Page
3.1 Related documents 8
3.2 Location of appliance 8
3.3 Gas supply 8
3.4 Flue system 8
3.5 Air supply 8
3.6 Water circulation 8
3.7 Electrical supply 9
3.8 Timber framed buildings 9
3.9 Inhibitors 9
3.10 Showers 9
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 10
3A.6 Water circulation 10
3A.7 Electrical supply 10
3A.8 Timber framed buildings 10
3A.9 Inhibitors 10
3A.10 Showers 10
3A.11 Declaration of conformity 10
Installation Page
4.1 Delivery 11
4.2 Contents 11
4.3 Unpacking 11
4.4 Preparation for mounting the appliance 11
4.5 Fitting the flue 11
4.6 Connecting the gas & water 14
4.7 Electrical connections 15
Commissioning Page
5.1 Gas supply installation 16
5.2 The heating system 16
5.3 Initial filling of the system 16
5.4 Initial flushing of the system 16
5.5 Filling the hot water system 16
5.6 Pre-operation checks 16
5.7 Initial lighting 16
5.8 Final flushing of the heating system 16
5.9 Setting the boiler operating temperature 16
5.10 Setting the system design pressure 17
5.11 Regulating the hot water 17
5.12 Final checks 17
5.13 Instructing the user 17
Servicing Page
6.1 General 18
6.2 Routine annual servicing 18
6.3 Replacement of components 18
6.4 Component removal procedure 18
RANGE RATED
This boiler can be adapted to the heating requirements of the
system, it is possible to change the maximum output in central
heating.
Refer to chapter “Adjustments” for calibration.
After setting the desired output (parameter 23 maximum heating)
report the value in the table on the back cover of this manual,
for future references.