A.O. Smith DRE PLUS, Инструкция по установке, эксплуатации и обслуживанию

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4.2.2 Turn off for a long period................................................... 24
Installation, Maintenance and Service part.............. 25
5 Introduction.............................................................................. 27
5.1
About the water heater..................................................... 27
5.2 Working principle..............................................................27
6 Safety........................................................................................29
6.1
Safety instructions............................................................29
6.2 Instructions on the water heater.........................................30
6.3 Safety devices..................................................................31
6.4 Environmental aspects...................................................... 33
6.4.1 Recycling.........................................................................33
6.4.2 Disposal.......................................................................... 33
7 Water heater............................................................................. 35
7.1
Structure of the water heater............................................. 35
8 Installation............................................................................... 37
8.1
Packaging........................................................................37
8.2 Conditions....................................................................... 37
8.2.1 Ambient conditions........................................................... 37
8.2.2 Maximum floor load.......................................................... 37
8.2.3 Water composition............................................................ 38
8.2.4 Working clearances........................................................... 38
8.3 Installation diagram.......................................................... 39
8.4 Water connections............................................................ 39
8.4.1 Cold water connection....................................................... 39
8.4.2 Hot water connection........................................................ 40
8.4.3 Circulation connection....................................................... 40
8.5 Electrical connections........................................................ 40
8.5.1 Preparation......................................................................41
8.5.2 Mains power.................................................................... 42
8.5.3 Alarm output................................................................... 42
8.5.4 External ON/OFF.............................................................. 43
8.5.5 Finalization...................................................................... 44
8.6 Commissioning.................................................................44
8.6.1 Filling..............................................................................44
8.6.2 Turn on the water heater................................................... 44
8.7 Decommissioning............................................................. 45
10 Table of Contents
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