Table Of Contents - Hamworthy VARMAX 120 Installation, Commissioning And Servicing Instructions

CONTENTS
1. WARNINGS AND RECOMMENDATIONS ...........................................................................5
1.1. Transport and storage ................................................................................................................................... 5
1.2. Symbols used in this document. ................................................................................................................... 5
1.3. Qualification of personnel for installing, adjusting, using and
maintaining the equipment ............................................................................................................................ 5
1.4. Safety instructions ......................................................................................................................................... 5
1.5. Water characteristics ..................................................................................................................................... 6
2. APPROVALS .........................................................................................................................9
2.1. Compliance with European Directives .......................................................................................................... 9
2.2. Regulatory installation conditions .................................................................................................................. 9
2.3. Gas category ................................................................................................................................................. 9
2.4. Gas supply pressures ................................................................................................................................. 10
3. TECHNICAL SPECIFICATIONS ........................................................................................12
3.1. Dimensions ................................................................................................................................................. 12
3.2. Doorways .................................................................................................................................................... 14
3.3. Reduced access (depending on model) ...................................................................................................... 15
3.4. Combustion at 15°C and 1013 mbar ........................................................................................................... 16
3.5. Conditions of use ........................................................................................................................................ 18
3.6. Electrical connection ................................................................................................................................... 18
4. INSTALLATION ...................................................................................................................19
4.1. Handling and moving the boiler .................................................................................................................. 19
4.2. Installation of the air filter and filter matting ................................................................................................. 19
4.3. Installing the boiler ...................................................................................................................................... 20
4.4. Opening / closing of casing doors ............................................................................................................... 21
4.5. Removing the control panel (MMI) .............................................................................................................. 21
4.6. Removing / refitting the casing doors .......................................................................................................... 22
4.7. Removing / refitting side panels .................................................................................................................. 23
4.8. Removing / refitting the top panel ............................................................................................................... 23
4.9. Step ............................................................................................................................................................. 24
4.10.Changing the gas type (G20 to G31) ......................................................................................................... 25
4.11.Exhaust connection .................................................................................................................................... 27
4.12.Hydraulic connection .................................................................................................................................. 36
4.13.Gas connection .......................................................................................................................................... 40
4.14.Electrical connection .................................................................................................................................. 41
14.09.2020
VARMAX - Installation, Use and Maintenance
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