Справочник Пользователя для Rheem Electric Domestic Water Heater

 

It is a requirement of AS/NZS 3500.4 
that for a new installation, a water 
heater be installed in a safe tray where 
in the event of a leak, property may 
otherwise be damaged. Construction, 
installation and draining of a safe tray 
must comply with the abovementioned 
Standard. 
 
MAINS WATER SUPPLY 
Where the mains water supply pressure exceeds that shown in the table below, 
an approved pressure limiting valve is required and should be fitted as shown 
in the installation diagram 

 

Relief valve setting 

1400 kPa 

1000 kPa 

Expansion control valve setting* 

1200 kPa 

850 kPa 

 

 

With expansion control valve 

950 kPa 

650 kPa 

Without expansion control valve 

1120 kPa 

800 kPa 

* Expansion control valve not supplied with water heater 

 

 
TANK WATER SUPPLY 
If the water heater is supplied with water from a tank supply and a pressure 
pump system is not installed, then the bottom of the supply tank must be at 
least 1 m above the highest point of the hot water plumbing system, including 
the water heater. Care must be taken to avoid air locks. The cold water line to 
the water heater should be adequately sized and fitted with a full flow gate 
valve or ball valve. 

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