Dimplex LA 33TPR Wartungsanleitung Seite 31

Maintenance instructions LA 33TPR
Table of contents
1 System settings and history .....................................................................................................................EN-5
1.1 Visual inspection ..............................................................................................................................................................EN-5
1.2 System log book...............................................................................................................................................................EN-5
1.3 Operating data for controller -N1...............................................................................................................................EN-5
2 Mandatory steps..........................................................................................................................................EN-5
2.1 Evaporator, ventilator and condensate tray............................................................................................................EN-6
2.2 Connections, electrical components ........................................................................................................................EN-6
2.3 Interior of the heat pump ..............................................................................................................................................EN-6
2.4 Condensate drain hose ..................................................................................................................................................EN-7
3 Refrigeration checks ..................................................................................................................................EN-8
3.1 Leakage tightness check...............................................................................................................................................EN-8
3.2 Refrigerating equipment ...............................................................................................................................................EN-8
3.3 Pipes and connections...................................................................................................................................................EN-9
4 Functional test .......................................................................................................................................... EN-10
4.1 Checking the pressure sensors................................................................................................................................ EN-10
4.2 Safety equipment (each time maintenance is performed) ............................................................................. EN-11
4.3 Checking the vapour leakage tightness of the switch box............................................................................. EN-13
4.4 Heating operation ......................................................................................................................................................... EN-16
5 Appendices ................................................................................................................................................ EN-17
5.1 Connecting the mobile cut-off device................................................................................................................... EN-17
5.2 Checking the heat output .......................................................................................................................................... EN-18
5.3 Inspection items for pipes.......................................................................................................................................... EN-19
5.4 Items for vibration check............................................................................................................................................ EN-22
5.5 Circuit diagram - mobile cut-off device................................................................................................................ EN-24
5.6 Circuit diagram - testing the high-pressure limiter........................................................................................... EN-25
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English
EN-1