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CONNECTIONS – ELECTRICAL
The power supply to the primary heating source and circulating pumps must not be switched on until
the storage tank is filled with fluid
and a satisfactory megger reading is obtained.
No electrical connections are to be made on the storage tank, except if a remote thermostat or electric
heating unit bundle if fitted. All electrical work and permanent wiring must be carried out by a qualified person
and in accordance with the Wiring Rules AS/NZS 3000 and all local codes and regulatory authority
requirements.
REMOTE THERMOSTAT
The storage tank is fitted with 4 x RP1/2 fittings which can be used to monitor system temperature.
1 x thermostat well is supplied with the storage tank, located in the TPR valve box.
Thermowell Dimensions
ELECTRIC HEATING UNIT BUNDLE
The tanks can be fitted with an electric heating unit bundle. The
heating unit bundle is supplied with a digital thermostat which
can be adjusted to suit site specific requirements. Also included
is all switch gear and over temperature energy cut out (ECO).
The heating unit electrical connections are housed in an IP55
enclosure and the bundle connects to the storage tank via a 16
bolt flange and gasket.
The elements are low watts density incoloy 800, designed to
provide long service life. A variety of kW ratings are available.
Note: not all element ratings suit all tank capacities. The
elements can be fitted in the top flange for “in-tank” boosting of the solar heat store or located in the bottom
flange of a tank w
hen connected as an “in series” solar booster or electric water heater.
Refer to the heating unit manual for heating unit details and installation requirements.
6.5 ID
