Rinnai RIN80E24 Owner's Manual page 6

Hot Water Connection
The hot water pipe should be connected
to either of the RP¾/20 sockets marked
Version B: Update to new logo and reduce size of label
OUTLET at the top of the unit. For the
most economical operation of the water
heater, it is recommended that all hot
water lines are insulated. Please check
local regulations regarding the use of
hot water supply pipework that are not
made of copper.
Building Flow and Return
Never install a building circulated flow
and return line with a Rinnai Electric
water heater on a timed or controlled
tariff.
If a flow and return line is required, we
recommend that you install a backup
Inlet Connections
Note: a combined isolating valve/non-return valve/line strainer may be used.
Expansion valve only required where local regulations demand.
4
Plumbing Connections
Isolating Valve
(Spindle Vertical)
Cold Water
Inlet
80L to 400L Electric Storage Water Heaters
storage water heater on a continuous
tariff. The flow and return line should
also include time control the building
circulation loop to help reduce energy
usage.
Temperature Protection
Water heaters can produce very hot
water. To reduce the risk of scald injury,
it is mandatory under the requirements
of Australian Standard AS/NZS3500.4
that a suitably approved temperature
control device be fitted to the hot water
supply to outlets used primarily for
personal hygiene. This valve should be
checked at regular intervals to ensure its
operation and settings remain correct.
Drain
Line
Non-return
Strainer
Valve
RIN0421
Owner's Manual
Expansion
Valve
Union
Connection
023335 Rev. E Jun 2013