ITR POLAR HD, Installation And Operating Manual

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Section 9, Installing the Distribution Module
9-8 The POLAR™HD Heating Module
Figure 9-8: Initial fill up
POLAR™HD
system
3. Open both valves on the Distribution module.
4. Turn ON the diaphragm pump. This will prime the pumps in
the POLAR™HD Distribution Module. It may be necessary to fill
up the container with more coolant as the air is being bleed from
the system.
5. Turn on the pump activation switch, located on top of the zone
box, this will activate the pumps inside the distribution module
and fill up both heating loops.
6. Once the coolant in the container remains at the same level
and there appears to be no air in the return stream from the fill
outlet hose, close the valves on the distribution module and stop
the diaphragm pump.
7. Turn off the pump activation switch.
8. The POLAR™HD heating system is ready to be operated.