Sharp AE-Z48LZ Heat Pump User Manual


 
15
The following conditions do not denote equip-
ment malfunctions
UNIT DOES NOT OPERATE
The unit will not operate if it is turned on
immediately after it is turned off. The unit will not
operate immediately after the mode is changed.
This is to protect the unit. Wait 3 minutes before
operating the unit.
UNIT DOES NOT SEND OUT WARM AIR
The unit is preheating or de-icing.
ODORS
Carpet and furniture odors that entered into the unit
may be recirculated by the unit.
CRACKING NOISE
This sound is generated by the friction of the unit
expanding or connecting due to a temperature
change.
A LOW BUZZING NOISE
This is a sound of the unit generating Plasmacluster
ions.
SWISHING NOISE
The soft, swishing noise is the sound of the
refrigerant owing inside the unit.
MIST SEEN AT INDOOR AIR OUTLET
In cooling operation, this is caused by the difference
between the room air temperature and the air
discharged.
WATER VAPOUR
In heating operation, water vapour may ow out of
the outdoor unit during de-icing.
THE OUTDOOR UNIT DOES NOT STOP
After stopping the operation, the outdoor unit will
rotate its fan for about a minute to cool down the
unit.
ODOR EMITTED FROM THE PLASMACLUSTER
AIR OUTLET
This is the smell of ozone generated from
the Plasmacluster Ion generator. The ozone
concentration is very small, posing no adverse
effect on your health. The ozone discharged into the
air rapidly decomposes, and its density in the room
will not increase.
Check the following points before calling for
service.
IF THE UNIT FAILS TO OPERATE
Check if the circuit breaker has tripped or the fuse
has blown.
IF THE UNIT FAILS TO HEAT (OR COOL) THE
ROOM EFFECTIVELY
• Check the lters. If dirty, clean them.
• Check the outdoor unit to make sure nothing is
blocking the air inlet or outlet.
• Check the thermostat is properly set.
• Make sure windows and doors are closed tightly.
IF THE UNIT FAILS TO RECEIVE THE REMOTE
CONTROL SIGNAL
• Check whether the remote control batteries have
become old and weak.
• Try to send the signal again with the remote
control pointed properly towards the unit’s signal
receiver window.
• Check whether the remote control batteries are
installed properly.
Please call for service when OPERATION lamp,
TIMER lamp and/or PLASMACLUSTER lamp on
the unit blink.
BEFORE CALLING FOR SERVICE
SPECIFICATIONS
Indoor unit AY-ZP48LZ
Outdoor unit AE-Z48LZ
Rated A.C. voltage (V) 220-240
Rated frequency (Hz) 50
Capacity (kW)
Cooling 3.6
Heating 4.8
Rated input (W)
Cooling 990
Heating 1260
When tested in accordance with AS/NZS3823.1.1