Air Conditioner Operations - Toshiba Carrier MCY-MAP0367HS-UL Manuel Du Propriétaire

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Air conditioner operations

 Check before operation
• Turn on the power switch at least 12 hours before
starting operation.
• Connect the earth wire securely.
• Attach the air filter to the indoor unit.
 Heating performance
• A heat pump system, which gathers outside heat and
emits it into a room, is used for heating. When the
outside air temperature falls, the heating capacity of
the unit is reduced.
• When the outside temperature is low, it is
recommended that other heating equipment is used.
 Defrosting during heating
• If frost falls on the outdoor unit during heating,
defrosting is automatically performed (for
approximately 2 - 10 minutes) to increase the
heating effect.
• The indoor unit's fan stops during defrosting.
 3-minute protection
The outdoor unit will not operate for approximately 3
minutes after the air conditioner has been immediately
restarted after stopping, or the power switch has been
turned on. This is to protect the system.
 Auto restart
The unit will stop after a power failure.
• The unit will restart automatically in the same
operating mode as before the power failure when the
power is restored.
17-EN
 Fan rotation of a stopped
indoor unit
• While other indoor units operate, the fans on indoor
units in stand-by mode rotate for several minutes
approximately once per hour to protect the
machines.
 Protective device
(High pressure switch)
The high pressure switch stops the air conditioner
automatically when an excessive load is applied to the
air conditioner.
If the protective device activates, the unit's running
stops and the operation lamp blinks.
When the protective device activates, the
indicator
and the check code appear on the remote control.
The protective device may activate in the following
cases:
During cooling
• When the air intake or air discharge of the outdoor
unit is blocked.
• When strong wind blows continuously against the air
discharge of the outdoor unit.
During heating
• When dust or dirt is excessively adhered to the air
filter of the indoor unit.
• When the air discharge of the indoor unit is blocked.
NOTE
When the protective device activates, turn off the power
switch, resolve the issue, and then restart the unit.
– 9 –
 Cooling/Heating operations
Each unit can be controlled individually. However,
indoor units connected to the same outdoor unit cannot
perform cooling and heating simultaneously.
When simultaneous operation is attempted, the indoor
units performing cooling stop, and the running
preparation indicator
appears on the remote
control.
An indoor unit performing the heating function
continues running.
When an operation is attempted without the configured
settings, the running preparation indicator
on the remote control and the operation stops.
If the operation is fixed to cooling or heating by the air
conditioner administrator, only the configured settings
apply to the operation.
 Heating Characteristics
• Air does not come out immediately after heating
starts.
Heated air emits after 3 to 5 minutes (depending on
the room/outside temperatures), after the indoor
heat exchanger warms up.
• When the outside temperature increases, the
outdoor unit may stop.
appears
18-EN

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