Unplug the power plug before cleaning the unit.
Do not disassemble housing parts (consult a spe-
cialist company).
Unplug the power plug when not in use for a long
period.
Ensure the voltage is correct (220-240 V AC, 50
Hz).
Do not operate the unit with defective cables or
sockets.
1.8 Safety notes for installation,
maintenance and inspection
n
Check the work area
Before starting work on units with combustible
refrigerants, ensure that any potential ignition
sources are removed and the risk of igniting
the refrigerants is eliminated. The aforemen-
tioned safety notes for repairing the units must
be observed at all times. Work may only be
carried out by authorised specialist personnel
with knowledge of handling combustible refrig-
erants!
n
Prepare the work area
Any persons present must be informed about
the repair process accordingly and persons not
involved must vacate the work area. Working in
rooms with limited space is prohibited. Ensure
that sufficient space is available at the work-
place. Ensure that the ambient conditions are
suitable for working with combustible refriger-
ants.
n
Identify refrigerant leaks, check the atmos-
phere
Refrigerant may unexpectedly escape when
working on the refrigerant circuit. Ensure that
the atmosphere in the workplace is not com-
bustible at all times by using suitable refrig-
erant detectors. Be sure to ensure that the
refrigerant detector used is suitable, approved
and calibrated for use with refrigerant R290.
n
Provide fire extinguishers
Provide appropriate fire extinguishers before
starting work. For this purpose, dry powder or
CO
2
fire extinguishers are suitable.
n
Remove any potential ignition sources
Leaking refrigerant in combination with corre-
sponding ignition sources can lead to an explo-
sion. All ignition sources must therefore be
kept away from the working area at all times!
This also includes the smoking of cigarettes.
Inform all persons present that this includes the
affixing of safety notes and the closing off of
the working area.
7
Summary of Contents for MKT 255 ECO S-Line
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