17
Attention!
Frost damage may occur when the
installation is shut down.
Drain the equipment if ambient
temperatures below 0 °C (frost) are to
be expected.
Provide a device that collects any fluid that may
escape.
Remove the sealing plug (7) at the bottom of the
body.
Allow all liquid to escape and wait until the body
is completely empty.
To seal the drain hole screw in the sealing plug
and tighten it with a torque of 75 Nm.
Removing external dirt deposits
To remove dirt deposits rinse the equipment
with fresh water and wipe it with a clean, lint-
free cloth.
To remove any persistent residues use a
cleaning agent that is suitable for the material
and carefully wipe the equipment with a clean,
lint-free cloth.
Maintaining the equipment
For work on the equipment you will need the
following tools:
Combination spanner to DIN 3113 form B in
various sizes:
Several torque spanners to DIN ISO 6789,
covering a torque range of 10-300 Nm
Hexagon offset screwdriver ("Allen key") to DIN
ISO 2936
Screwdriver 5.5/125 to DIN 5265
Normally you do not have to clean the internal parts
of the equipment.
To clean the equipment completely take off the
cover and remove the control unit.
