Condair Sigma - Notes on Cleaning the Unit Components

67Maintenance
7.4 Notes on cleaning the unit components
Unit component What to clean and how to clean
Water hoses
• Loosen any limescale in the hoses by carefully twisting
and exing the hoses, then suh out the hoses thoroughly
with hot water.
Inlet valve
strainer insert
• Carefully remove any limescale inside the inlet valve
and on the strainer using a brush (do not use a wire
brush).
• Wash inlet valve and strainer insert with a lukewarm
soap solution, then rinse well with tap water.
Let the inlet valve dry before reinstallation!
Drain valve
valve housing
valve stem
• Carefully remove any limscale from the valve housing,
the bores and the valve seat on the valve stem using a
brush (do not use a wire brush).
• Wash the valve housing and the valve stem with a
lukewarm soap solution, rinse the parts well with tap
water and let them dry.
Water cup
• Carefully remove any limscale from the water cup and
its connectors using a brush (do not use a wire brush).
If the water cup is heavily calcied, place it in an 8%
formic acid solution (observe safety notes in chapter
7.5), until the limescale comes off.
• Wash the water cup with a lukewarm soap solution and
rinse well with tap water.