A.O. Smith CAWH 8-455-6 Installation, User And Service Manual page 12

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4.2 Turn off the water heater................................................... 27
4.2.1 Turn off for a short period.................................................. 27
4.2.2 Turn off for a long period................................................... 27
Installation, Maintenance and Service part.............. 29
5 Introduction.............................................................................. 31
5.1 About the water heater..................................................... 31
5.2 Working principle..............................................................31
6 Safety........................................................................................33
6.1 Safety instructions............................................................33
6.2 Instructions on the water heater.........................................34
6.3 Safety devices..................................................................36
6.4 Environmental aspects...................................................... 38
6.4.1 Recycling.........................................................................38
6.4.2 Disposal.......................................................................... 38
6.4.3 Disposal refrigerant.......................................................... 38
7 Water heater............................................................................. 39
7.1 Structure of the water heater............................................. 39
8 Installation............................................................................... 41
8.1 Packaging........................................................................41
8.2 Conditions....................................................................... 41
8.2.1 Ambient conditions........................................................... 41
8.2.2 Maximum floor load.......................................................... 41
8.2.3 Water composition............................................................ 42
8.2.4 Working clearances........................................................... 42
8.3 Installation diagram.......................................................... 43
8.4 Water connections............................................................ 43
8.4.1 Cold water connection....................................................... 43
8.4.2 Hot water connection........................................................ 44
8.4.3 Condensate drain connection..............................................44
8.4.4 Circulation connection....................................................... 44
8.5 Electrical connections........................................................ 44
8.5.1 Preparation......................................................................45
8.5.2 Mains power.................................................................... 46
8.5.3 Finalization...................................................................... 47
8.6 Ventilation....................................................................... 47
8.7 Commissioning.................................................................47
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