ABB ProKiln GAC400 Operating Instruction page 125

ProKiln GAC400 PROBE GAS SAMPLING SYSTEM | OI/GAC400-EN REV. A
Instructions: Draining cooling water
Proceed as follows to drain the cooling water:
1. Open the valve 1 at the bottom of the water tank to drain
the water system.
Note: If anti-freeze (Glycol) had been mixed, observe disposal
regulations in accordance with national legislation.
2. Remove hoses between water panel and cooler panel
Apply low pressure compressed-air (1 bar) to the heat
exchanger top to force out water from the heat exchanger
until no more water comes out.
3. Disconnect tube/hose connection for water forward
connection at the water panel
compressed-air to the water forward connection to force the
water out of the tube going forth and back to the probe and
the probe itself until no more water comes out.
4
1
23
4 . Apply low pressure (1 bar)
3
2
.
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