Draining The Gas Outlet Casing - ABB HT564586 Operation Manual

Operation Manual / 4 Product description / A100-L
6 Periodic maintenance
6.6

Draining the gas outlet casing

If there is a boiler leak into the exhaust gas pipe or an ingress of water due to other causes,
the gas outlet casing can be drained.
Figure 20: Drain pipe diagram
01 Drain pipe
02 Drain cock
03 Drain
04 Air line from compressor casing
On the drain pipe (01), set the drain cock (02) to position 1 (A).

If the drain pipe (01) is blocked:
Set the drain cock (02) to position 2 (B) and clean the drain pipe (01) with air from the

compressor casing (04).
If cleaning with air is not sufficient, the drain pipe (01) must be cleaned mechanically.
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A Position 1
B Position 2
HZTL4034_EN
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Revision F June 2016