Energy Save AWH11-V5+, User Manual, Page: 36 / 100

Water outlet
Water inlet
Magnesia rods
T/P valve kit
City water
1. Make sure there are air purging valves on all high points in the installation. Especially
on top of a water tank.
2. Fill the system and purge all air out the system before starting units or other circulation
pumps.
3. Always have an air purging valve on the highest point of a water tank, to ensure to get all
air out.
4. Air purge the indoor unit by open the units pressure release valve on the top before the
unit start up. When water runs freely through the pipe close the release valve
, .
1.
2.The above application illustration is just for reference.Different installation application
has different operations for air purging.But the theory is the same.Check the water flow
direction,open the valves to fill the water tank and all the pipings with water.Use the air
purging valve in the system to discharge the air till water comes out from the air purging
valves.Close the air purging valves,then the air purging finish.
The above application illustration just shows hot water piping.
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2.INSTALLATION
2.9 Air purging