Rinnai 42 Split Solar OIM
to the unit with a 20 mm terminator� A common neutral is used� Connect the power supply wires directly to the
terminal block and earth tab connections ensuring there are no excess wire loops inside the front cover�
Heating Element Thermostat Temperature Settings
Australian Standards require a minimum thermostat set point of 60°C to inhibit the growth of Legionella Pneumophilia
bacteria. These standards also require that the thermostat set point of water heaters tted with an upper (or
booster) element is at least 10°C below the thermostat set point of the lower element�
In the interests of durability, the thermostat set point for storage cylinders should not exceed 70°C� Hence, in
systems with a single heating element only the thermostat set point should be at least 60°C and no greater than
70°C� In systems with both a lower and upper (or booster) element, the thermostat set point of the lower element
should be between 60°C and 70°C and the upper element 50°C - 60°C�
For systems using the deluxe controller a setting of 60°C is recommend�
Deluxe Controller
The power supply to a single lower element model should be continuous� It is connected via the control box to
allow the Deluxe controller to manage the element operation� Full details of the how to connect the power to the
control box are included in the solar controller manual�
Wiring Diagrams
3 1
4
5 2
Neutral - N
Active - A
RESET
Earth
A exible 20 mm conduit is required for the electrical cable to the solar controller connection box.
The lead between the electric element solar controller connection box is supplied with the controller� The Installer
must connect this to the terminal block and earth tab connections on the storage cylinder� Ensure there are no
excess wire loops inside the front cover�
INSTALLATION
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