Operation Manual / 4 Product description / A100-L
6 Periodic maintenance / 6.6 Draining the gas outlet casing
© Copyright 2020 ABB. All rights reserved.
HZTL4034_EN
Rev.P
January 2020
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.
Fig. 21: Drain pipe diagram
01
Drain pipe
A
Position 1
02
Drain cock
B
Position 2
03
Drain
04
Air line from compressor casing
u
On the drain pipe (01), set the drain cock (02) to position 1 (A).
If the drain pipe (01) is blocked:
u
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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