Manual Vokèra Mynute i30 Central Heating Boiler

Manual

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

Rating

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