Optimal Operation; Maintenance - Carrier 42HQE018 Owner's Manual

42HQE009 / 012 / 018 / 022
How the air conditioner works and optimal operation
DRYING OPERATION
• The dry mode will automatically select the drying operation based
on the difference between the set temperature and the actual
room temperature.
• The temperature is regulated while dehumidifying by repeating
turning on and off of the cooling operation or fan only. The fan
speed indicator will display AUTO and low speed will be used.
Cooling Fan only
Room
temperature
set temperature
DRYING Operation

Maintenance

WARNING
It is necessary to stop the air conditioner and disconnect the power
supply before cleaning.
Cleaning the indoor unit and remote controller
Household
Drain
Cleaner
CAUTIONS
• Use a dry cloth to wipe the indoor unit and remote controller.
• A cloth dampened with cold water may be used on the indoor unit
if it is very dirty.
• The front panel of the indoor unit can be removed and cleaned
with water. Then wipe it with a dry cloth.
• Do not use a chemically treated cloth or duster to clean the unit.
• Do not use benzine, thinner, polishing powder, or similar solvents
for cleaning. These may cause the plastic surface to crack or deform.
Cleaning the air filter
A clogged air filter reduces the cooling efficiency of this unit.
Please clean the filter once every 2 weeks.
GB - 12
Cooling Fan only
Time
Thinner
No
Filter handle

Optimal operation

To achieve optimal performance, please note the following:
• Adjust the air flow direction correctly so that it is not directed on
people.
• Adjust the temperature to achieve the highest comfort level.
Do not adjust the unit to excessive temperature levels.
• Close doors and windows on COOL or HEAT modes, or
Cooling
performance may be reduced.
• Use TIMER ON button on the remote controller to select a time
you want to start your air conditioner.
• Do not put any object near air inlet or air outlet, as the efficiency o
the air conditioner may be reduced and the air conditioner may
stop running.
• Clean the air filter periodically, otherwise cooling or heating
performance may be reduced.
• Do not operate unit with horizontal louvre in closed position.
1. Lift the indoor unit panel up to an angle until it stops with a
clicking sound.
2. Take hold of the handle of the air filter and lift it up slightly to take
it out from the filter holder, then pull it downwards.
3. Remove the AIR FILTER from the indoor unit.
• Clean the AIR FILTER once two weeks.
• Clean the AIR FILTER with a vacuum cleaner or water, then
dry it up in cool place.
4. Remove the air freshening filter from its support frame.
• Clean the air freshening filter at least once a month using a
vacuum cleaner or a brush, and replace it every 4-5 months.
5. Install the air freshening filter back into position.
6. Insert the upper portion of air filter back into the unit taking care
that the left and right edges line up correctly and place filter into
position.
Maintenance
If you plan to idle the unit for a long time, perform the following:
1. Operate the fan for about half a day to dry the inside of the unit.
2. Stop the air conditioner and disconnect power.
Remove the batteries from the remote controller.
3. The outdoor unit requires periodic maintenance and cleaning.
Do not attempt to do this yourself. Contact your dealer or servicer.
Checks before operation
• Check that the wiring is not broken off or disconnected.
• Check that the air filter is installed.
• Check if the air outlet or inlet is blocked after the air conditioner
has not been used for a long time.
CAUTIONS
• Do not touch the metal parts of the unit when removing the filter.
Injuries can occur when handling sharp metal edges.
• Do not use water to clean inside the air conditioner. Exposure to
water can destroy the insulation, leading to possible electric shock.
• When cleaning the unit, first make sure that the power and circuit
breaker are turned off.
filter
Air freshening