14.3. Remarks at replacement of elements of central air of air
- Never open a contour and do not separate elements of central air of air before a system discharge.
- After separation of components of central air of air immediately close connections by the corresponding covers for an exception of hit of moisture of air in system.
- At installation of new components of central air of air take them from packing directly ahead of installation.
- At connection of open unions always use new sealing rings.