AUXILIARY PUMP
39
AUXILIARY PUMP ELECTRICAL CONNECTION
The auxiliary pump, if installed, must be wired to the control board. The flexible cord supplied with the pump
must be housed in a 20 mm flexible conduit. The flexible conduit should be secured to the insulated pipe work
with the cable ties provided, to the side of the solar storage tank using the adhesive backed cable tie mounts
and cable ties provided and to the penetration in the solar storage tank jacket using the cable gland provided.
It is necessary to make a penetration in the jacket of the solar storage tank, 30 mm to the right of and aligned
with the mid height point of the lower front cover, to accommodate the flexible cable and conduit. The
penetration, 20 mm in diameter, can be made using a hole saw, suitable for cutting through 0.5 mm thick
Colorbond. The edge of the penetration is to be smoothed off after forming to ensure there are no sharp edges.
Refer to the diagram for position.
Auxiliary Pump Wiring Connection Jacket Penetration
Warning: The removal of the lower front cover will expose 240 V wiring. Switch off the electrical supply at
the isolating switch to the water heater before removing the lower front cover and if necessary disconnecting
the ribbon cable from the solar control module.
Connect the active plug from the auxiliary pump to the terminals marked “PUMP 2” on the control board (refer
to “Wiring Diagram” on page 36) and the earth wire spade connector from the auxiliary pump to a terminal on
the earth connector strip located on the bracket adjacent to the control board.
The solar monitor located on the lower front cover is connected to the solar control module by a ribbon cable.
The ribbon cable has sufficient length to enable the removal of the lower front cover and for it to be set to one
side of the opening without disconnecting the ribbon cable from the solar control module. The ribbon cable can
be disconnected from the solar control module if it is necessary to remove the lower front cover completely
from the work area in front of the solar storage tank.
If the ribbon cable from the solar monitor has been disconnected, reconnect it to the solar control module prior
to replacing the lower front cover.
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