nvent Raychem HWAT-ECO V4, Manual

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1. DESCRIPTION ...................................................................8
1.1 Purpose ......................................................................................................8
1.2 Technical data ............................................................................................8
1.3 Care and maintenance ..............................................................................9
2. INSTALLATION ...............................................................10
2.1 Disassembling the unit ............................................................................10
2.2 Wall mounting instructions .....................................................................10
2.3 Installation of cables and sensors ..........................................................11
2.3.1 Wiring diagrams ..............................................................................11
2.3.2 Minimum power cable sizing .........................................................11
2.3.3 Heating cable ..................................................................................11
2.3.4 Sensor cable ...................................................................................12
2.3.5 Alarm wiring ....................................................................................12
2.3.6 Network ...........................................................................................13
2.3.7 Building Management System (BMS) ...........................................13
3. OPERATION ....................................................................13
3.1 Quick install ..............................................................................................13
3.1.1 Language ........................................................................................14
3.1.2 Year/ Month/ Day /Hour/ Minutes ................................................14
3.1.3 Cable type .......................................................................................14
3.1.4 Cable length ....................................................................................14
3.1.5 Ambient temperature .....................................................................14
3.1.6 Country ............................................................................................14
3.1.7 Maintain temperature .....................................................................14
3.1.8 Economy temperature ....................................................................14
3.1.9 Pre-Programs ..................................................................................15
3.1.10 Trace boiler ...................................................................................15
3.1.11 Alarm sound on/off ......................................................................15
3.2 Menu overview .........................................................................................16
3.3 Menu explanation - extended features ...................................................17
3.3.1 Setup ...............................................................................................17
3.3.2 Timer program and legionella prevention .....................................19
3.3.3 Holiday ............................................................................................20
3.3.4 Info ..................................................................................................20