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Service
Manual
Continuous Flow Water Heater
Important.
Read these instructions carefully before attempting installation or use of
this appliance. All work must be carried out by competent persons.
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June 2010—Issue 1
This manual is intended for use by Gas Safe
Regisetred Engineers
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CONTENTS
Glossary of terms and Symbols…………..………..…….…………………………..….5
1. Introduction …………………….………...……...………………….……………6
2. Specification ……………….…………..….…..………………….………………7
3. Water Flow Rates and Pressures …………..…..……………………………...… 9
4. Dimensions …………………………………...…...……………………………10
5. Remote Controls……………………………….………………...…………….....11
6. Cutaway Diagram……………………………….……………………………......14
7. Operational Flow Chart……………………….……………………………….….16
8. Main Components……………………………….…….…………………………..17
9. Wiring Diagram………………………………………..……………………….....19
10. Dip Switch Setting……………………………………..……………………...…..20
11. Error Codes……………………………………………………………………..….21
12. Diagnostic Points………………………...…..…………………………..….…..…22
13. Gas Pressure Setting…………………………..……...…………….……..……….23
14. Servicing………..……………………….….………………………….……….….25
15. Spares List………………………………………………………………………….28
16. Warranty….………………………………..………………………….………..….35
17. Contact ….…………………………………..……………………………………..36
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Glossary of Terms and Symbols
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Water Flow Rates and Pressures