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mode. Then, set temperature to a higher
setting.
• Exhaust duct not connected or blocked.
See 5.1 Exhausting hot air Section.
Air conditioner cooling, but room is
too warm - ice forming on cooling coil
behind decorative front
• Dirty air filter - air restricted. Clean air
filter. Refer to 8. Care and Cleaning
section.
• Temperature is set too high. Set
temperature to a lower setting.
• Air directional louvers positioned
improperly. Position louvers for
better air distribution.
• Front of unit is blocked by drapes,
blinds, furniture, etc. - restricts air
distribution. Clear blockage in front
of unit.
10. ADDITIONAL INFORMATION
Transport of equipment containing
flammable refrigerants
See transport regulations
Marking of equipment using signs
See local regulations
Disposal of equipment using
flammable refrigerants
See national regulations.
Storage of equipment/appliances
The storage of equipment should be
in accordance with the manufacturer's
instructions.
Storage of packed (unsold) equipment
Storage package protection should be
constructed such that mechanical damage
to the equipment inside the package will
not cause a leak of the refrigerant charge.
The maximum number of pieces of
equipment permitted to be stored together
will be determined by local regulations.
Information on servicing
1. Checks to the area. Prior to beginning
work on systems containing flammable
refrigerants, safety checks are
necessary to ensure that the risk of
ignition is minimised. For repair to
• Doors, windows, registers, etc.
open - cool air escapes. Close doors,
windows, registers, etc.
• Unit recently turned on in hot room.
Allow additional time to remove
"stored heat" from walls, ceiling,
floor and furniture.
Air conditioner turns on and off rapidly.
• Dirty air filter - air restricted. Clean air
filter.
• Outside temperature extremely hot.
Set FAN speed to a faster setting to
bring air through cooling coils more
frequently.
Room too cold.
• Set temperature too low. Increase set
temperature.
the refrigerating system, the following
precautions shall be complied with
prior to conducting work on the
system.
2. Work procedure. Work shall be
undertaken under a controlled
procedure so as to minimise the
risk of a flammable gas or vapour
being present while the work is being
performed.
3. General work area. All maintenance
staff and others working in the local
area shall be instructed on the nature
of work being carried out. Work in
confined spaces shall be avoided.
The area around the workspace shall
be sectioned off. Ensure that the
conditions within the area have been
made safe by control of flammable
material.
4. Checking for presence of refrigerant.
The area shall be checked with an
appropriate refrigerant detector prior
to and during work, to ensure the
technician is aware of potentially
flammable atmospheres. Ensure that
the leak detection equipment being
used is suitable for use with flammable
refrigerants, i.e. nonsparking,
adequately sealed or intrinsically safe.
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