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Routine Maintenance
To drain the fluid from the Circulation Module remove the hot, cold and return tubing.
Install the hot, cold and return jumper tubing. There are two drain lines one in the front
and another in the rear. Most of the fluid can be drained by opening the drain line in the
rear of the Circulation Module and turning on the pumps for a few minutes. Then open
the drain line in the front and drain the remaining fluid.
To replace the filter loosen the screws on the clamps and disconnect the tubing from the
push to connect fittings.
The roller pump tubing is accessible from the front of the Circulation Module. Remove
the clear plastic cover over the roller assembly and the bracket that holds the tubing in
position.
Unscrew the tension adjustment nuts to remove pressure on the tubing.
Disconnect the clear tube from the fitting at each end.
Connect new tubing and
reassemble. Use cable ties to lock tubing to the fittings.
To adjust the roller pump tension tighten the adjustment nuts completely and then back
off 2 full turns. Once the system has water flowing minor adjustment can be made if
necessary by observing the effect on water flow.
Revision C, August 2013
D-2
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