GB-10
GB-11
ENGLISH
BEFORE CALLING FOR
SERVICE
The following conditions do not denote equipment
malfunctions
UNIT DOES NOT OPERATE
The unit will not operate if it is turned on immediately af-
ter it is turned off. The unit will not operate immediately
after the mode is changed. This is to protect the internal
mechanisms. 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 sent out from the unit.
ADDITIONAL NOTES ON
OPERATION
OPERATING TEMPERATURE RANGE
INDOOR TEMP.
OUTDOOR TEMP.
COOLING
upper limit
32˚C
46˚C
lower limit
21˚C
21˚C
HEATING
upper limit
27˚C
24˚C
lower limit
–
–7˚C
• The built-in protective device may prevent the unit
from operating when used out of this range.
• Condensation may form on the air outlet if the unit
operates continuously in the COOL or DRY mode
when humidity is over 80 percent.
WHEN POWER FAILURE OCCURS
This air conditioner has a memory function to store
settings when a power failure occurs.
After power recovery, the unit will automatically re-
start in the same settings which were active before the
power failure, except for timer settings.
If the timers were set before a power failure, they will
need to be re-set after power recovery.
PREHEATING FUNCTION
In the HEAT operation, the indoor fan may not start for
two to five minutes after the unit is turned on to prevent
cold air from blowing out of the unit.
DE-ICING FUNCTION
• When ice forms on the heat exchanger in the outdoor
unit during the HEAT operation, an automatic de-icer
provides heat for about 5 to 10 minutes to remove
the ice. During de-icing, the inside and outside fans
stop operating.
• After de-icing is completed, the unit automatically
resumes operation in the HEAT mode.
HEATING EFFICIENCY
• The unit employs a heat pump that draws heat from
the outside air and releases it into the room. The
outside air temperature therefore greatly affects the
heating efficiency.
• If the heating efficiency is reduced due to low outside
temperatures, use an additional heater.
• It takes time to warm up and heat the entire room
because of the forced air circulation system.
BEFORE CALLING FOR
SERVICE
CRACKING NOISE
The unit may produce a cracking noise. This sound is
generated by the friction of the front panel and other com-
ponents expanding or connecting due to a temperature
change.
A LOW BUZZING NOISE EMITTED
This is a sound emitted when the unit is generating
Plasmacluster ions.
SWISHING NOISE
The soft, swishing noise is the sound of the refrigerant
flowing inside the unit.
WATER VAPOUR
• In the COOL and DRY operation, water vapour can
sometimes be seen at the air outlet due to the differ-
ence between the room air temperature and the air
discharged by the unit.
• In the HEAT operation, water vapour may flow out of
the outdoor unit during de-icing.
ODOR EMITTED FROM THE PLASMACLUSTER
AIR OUTLET
This is the smell of ozone generated from the Plasma-
cluster 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.
If the unit appears to be malfunctioning, check
the following points before calling for service.
IF THE UNIT FAILS TO OPERATE
Check to see if the circuit breaker has tripped or the
fuse has blown.
IF THE UNIT FAILS TO COOL (OR HEAT) THE
ROOM EFFECTIVELY
• Check the filters. If dirty, clean them.
• Check the outdoor unit to make sure nothing is
blocking the air inlet or outlet.
• Check the thermostat is proper setting.
• Make sure windows and doors are closed tightly.
• A large number of people in the room can prevent
the unit from achieving the desired temperature.
• Check whether any heat-generating appliances are
operating in the room.
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 point-
ed properly towards the unit’s signal receiver window.
• Check whether the remote control batteries are installed
with the polarities properly aligned.
Please call for service when OPERATION lamp,
TIMER lamp and/or PLASMACLUSTER lamp on the
unit blink.
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