20. Pipe Exhaust
We suggest installing automatic exhaust valve in pipe to ensure smooth emission of the
system gas. If the pump is used in household heat system. Switch on the water source and
turn on each tap, then the gas can be exhausted.
21. Pump Exhaust
The gas within the pump must be also exhausted after the system being exhausted to
ensure the pump to work in best condition.
Note: care must be taken not to splash the water column or drops go into the junction
box to avoid the electric fault.
System pipes should be fully filled with liquid
before starting the pump and the pump must
accurately exhaust to ensure the work under the
best condition.
bolt
11
1. PC
PC
32 8
220
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