Cointra CETI Baixo NOx, Technical Instructions

Page: 60 / 80

INDEX
1 INSTRUCTIONS FOR USE ........................................................................................................................61
1.1 Presentation ......................................................................................................................................................... 61
1.2 Display symbols ................................................................................................................................................... 61
1.3 Control panel keys ................................................................................................................................................ 61
1.4 Control Panel ........................................................................................................................................................ 61
1.5 OPERATION......................................................................................................................................................... 61
1.5.1 ON and OFF ................................................................................................................................................ 62
1.5.2 NORMAL Operation .................................................................................................................................... 62
1.5.2.1 Temperature Setting ........................................................................................................................... 62
1.5.2.2 Domestic Hot Water ........................................................................................................................... 62
1.5.3 ECO mode................................................................................................................................................... 62
1.5.3.1 Enabling ECO mode .......................................................................................................................... 62
1.5.3.2 Temperature Setting in ECO mode .................................................................................................... 62
1.5.3.3 Disabling ECO mode .......................................................................................................................... 62
1.5.4 Solar Energy Function ................................................................................................................................. 62
2 INSTALLATION INSTRUCTIONS ..............................................................................................................63
2.1 General instructions ............................................................................................................................................. 63
2.2 Installation location ............................................................................................................................................... 63
2.3 Installing the water heater .................................................................................................................................... 63
2.4 Hydraulic connections .......................................................................................................................................... 64
2.5 Gas connection .................................................................................................................................................... 64
2.6 Electrical connections ........................................................................................................................................... 65
2.7 Air and flue gas ducts ........................................................................................................................................... 65
2.7.1 Connection with coaxial pipes ..................................................................................................................... 65
2.7.2 Connection with separate pipes .................................................................................................................. 66
3 SERVICE AND MAINTENANCE ................................................................................................................67
3.1 ADJUSTMENTS ................................................................................................................................................... 67
3.1.1 Gas conversion ........................................................................................................................................... 67
3.1.2 Gas valve calibration ................................................................................................................................... 68
3.2 COMMISSIONING ............................................................................................................................................... 69
3.2.1 Before turning the water heater on .............................................................................................................. 69
3.2.2 Checks during operation ............................................................................................................................. 69
3.3 MAINTENANCE ................................................................................................................................................... 69
3.3.1 Regular check ............................................................................................................................................. 69
3.3.2 Opening the casing ..................................................................................................................................... 70
3.4 ERRORS .............................................................................................................................................................. 70
3.4.1 Error list ....................................................................................................................................................... 70
3.4.2 Error History ................................................................................................................................................ 70
3.5 PARAMETERS ..................................................................................................................................................... 70
3.5.1 Parameter list .............................................................................................................................................. 71
4 CHARACTERISTICS AND TECHNICAL DATA ........................................................................................72
4.1 Dimensions and connections ............................................................................................................................... 72
4.2 Overview and main components .......................................................................................................................... 73
4.3 Technical Data Table ............................................................................................................................................ 74
4.4 Electrical diagram ................................................................................................................................................. 75
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EN
CETI
A73023711 - Rev. 00 - 2022-10