Mitsubishi Electric CITY MULTI PLFY-P32VAM-E Manuel D'utilisation page 18

10. Trouble Shooting
s s s s s Air outlet control (PFFY-P·VKM series)
This unit is automatically controlled that air comes out simultaneously from the upper and lower air outlets so that the room can be cooled or heated
effectively.
Description of operation
Operation
Air flow
Upper and lower air flow
Room temperature
and set temperature
Conditions
are different.
• Be sure to keep the area around the damper of the lower air outlet free of any objects.
This unit can be set to blow out air from the upper air outlet only by changing the switch setting on the address board (ask the dealer).
Range of application
The range of working temperatures for both the indoor and outdoor units of the series Y, R2, Multi-S is as below.
Caution:
The use of your air conditioner outside the range of working temperature and humidity can result in serious failure.
Mode Indoor unit
Cooling 15 °C - 24 °C WB
15 °C - 27 °C DB
Heating
Note:As an applicable humidity standard for both indoors and outdoors, we recommend use within a range of 30 - 80% relative humidity.
Warning:
If the air conditioner operates but does not cool or heat (depending on model) the room, consult your dealer since there may be a refrigerant
leak. Be sure to ask the service representative whether there is refrigerant leakage or not when repairs are carried out.
The refrigerant charged in the air conditioner is safe. Refrigerant normally does not leak, however, if refrigerant gas leaks indoors, and comes
into contact with the fire of a fan heater, space heater, stove, etc., harmful substances will be generated.
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COOL
Upper air flow Upper air flow only
Room temperature is
close to set tempera-
ture or thermo-off.
PUHY
–5 °C - 43 °C DB
–15 °C - 15.5 °C WB
DRY
Upper and lower air flow
(Normal condition (in
heating))
—
Outdoor unit
PURY
–5 °C - 43 °C DB
–12 °C - 15 °C WB
HEAT
Upper air flow
Upper and lower air flow
During defrosting op-
eration, start of op-
eration, thermo-off
PUMY
–5 °C - 46 °C DB
–12 °C - 15.5 °C WB
FAN
—