740 DMC
English
System description
This air conditioning system is made up of an indoor unit and an
outdoor unit, inter-connected by coolant pipes and electrical cables
(see fig. 11).
See the relevant installation manuals for information on how to
install the indoor and outdoor units.
The appliance is fitted with the safety devices listed in Table I on
Page 7 below to ensure maximum comfort and efficient functioning
under all weather conditions.
S
afety devices
System Type of protection What happens Operating mode in which When the safety
the safety device trips device trips
Protection against The internal fan Heat pump On start-up or during
Heat pump draughts of cold air is switched off heating mode functioning
Outdoor heat exchanger The indoor and outdoor Heat pump During functioning
defrost cycle units’ fans are switched off heating mode
Indoor heat exchanger The compressor Cooling During functioning
Only cooling and heat frost protection is switched off
pump heating modes Delayed compressor start The compressor does not Cooling or heating in heat On start-up or on
start immediately when the pump heating mode mode change
appliance is switched on
Table I: Safety devices
IMPORTANT!
During functioning in heat pump heating mode, the unit performs defrost cycles to eliminate any ice that might form at low temperatures
inside the outdoor unit.
During defrosting, the indoor fan is automatically switched off and does not start up again until defrosting has been completed.
Instructions for high comfort,
low consumption operation
For maximum comfort and minimum consumption
Maintain the room at a comfortable temperature
(see fig. 1).
Avoid opening doors and windows more than necessary
(see fig. 2).
Do not obstruct the indoor unit’s intakes or outlets. This not
only reduces efficiency by reducing the air flow, but can also
lead to the malfunction
(see fig. 3).
When using the appliance in cooling mode, try to prevent
direct sunlight from heating up the room. Draw the curtains
(see fig. 4).
Have the filter cleaned by qualified personnel. Make sure that
it is replaced correctly inside the appliance (
see fig. 5 and
Table II).
Periodically clean the intake grille and the area around the outdoor
unit to maintain correct air flow (see fig. 6).
If you are not going to use the appliance for an extended period of
time, carefully follow the instructions below.
Clean the indoor unit and the area around it.
Operate the appliance in ventilation mode for half a day to dry the
inside of the unit
(see fig. 7).
Switch the appliance off and then disconnect it from the mains
power supply
(see fig. 8).
Remove the batteries from the remote control (if relevant)
(see fig. 9).
Clean the outdoor unit
(see fig. 10).
System description
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