Rinnai new Zealand Limited
Hotflo Electric Storage Water Heater
Operation and Installation: 11151-C 03-10
14
Installation: General information
Location
Base requirements
Cylinders should be installed on a flat level base of sufficient strength to support the weight of
the water heater when full. The water heater must also be suitably restrained against seismic
activity, ‘G12/aS1 Figure 14’ details an acceptable method of restraint.
Access to cylinder
Cylinders should not be located where they will be difficult to remove, such as in attic spaces
or built into cupboards or shelves.
Where a cylinder is not easily accessible for maintenance and replacement, the Rinnai Warranty
will not cover any additional costs caused by access difficulty. This is important for glass lined
tanks where access is required to change the anode at the top of the cylinder.
Catch pan
It is important a suitably drained catch pan is fitted where damage could be caused by
discharge from the cylinder.
The Rinnai Warranty does not cover any consequential loss from leaks to the cylinder.
Water quality
The water quality of most public supplies is suitable for the water heater. Water quality from
bore wells is generally unsuitable. Refer to the water quality parameters in the warranty
section at the front of this manual for further information.
If the water heater is supplied by low pressure gravity or tank water supply, the bottom of the
supply must be at least one meter above the highest hot water outlet. Care must be taken to
avoid air locks.
Pipe sizing and valve selection must be performed to allow for the water supply pressure.
Hot water storage and delivery temperatures
Storage temperature
Local regulation states that hot water shall be stored at a minimum temperature of 60 °C. The
thermostat setting on the storage water heater has been factory preset to 65 °C to meet this
requirement. The thermostat temperature setting is adjustable to a maximum temperature
setting of 75 °C but this is usually not required.
▪
Thermostat settings must only be adjusted by an electrician or other suitably qualified
trades person
▪
The access cover to the element and thermostat must only be removed by an Electrician or
other suitably qualified trades person.
