HITACHI RAS-DX18CF Split Type Air Conditioner User Manual
- October 27, 2023
- Hitachi
Table of Contents
RAS-DX18CF Split Type Air Conditioner
ENGLISH
SPLIT TYPE AIR CONDITIONER
INDOOR UNIT/OUTDOOR UNIT
MODEL RAS-DX18CF / RAC-DX18CF
OUTDOOR UNIT
INDOOR UNIT
RAC-DX18CF
RAS-DX18CF
Instruction manual
To obtain the best performance, please read this instruction manual
completely.
Arahan pengendalian
Untuk mendapatkan prestasi yang tinggi, sila baca arahan ini sepenuhnya.
Page 1~24 Muka surat 25~48
1
SAFETY PRECAUTION
Please read the “Safety Precaution” carefully before operating the unit to
ensure correct usage of the unit.
Pay special attention to signs of ” ! Warning” and ” ! Caution”. The “Warning”
section contains matters which,
if not observed strictly, may cause death or serious injury. The “Caution”
section contains matters which may result in serious consequences if not
observed properly. Please observe all instructions strictly to ensure safety.
The sign indicate the following meanings.
Make sure to connect earth line.
The sign in the figure indicates prohibition.
Indicates the instructions that must be followed.
Please keep this manual after reading.
PRECAUTIONS DURING INSTALLATION
!
WARNING
!
CAUTION
Do not reconstruct the unit. Water leakage, fault, short circuit or fire may
occur if you reconstruct the unit by yourself.
Please ask your sales agent or qualified technician for the installation of
your unit. Water leakage, short circuit or fire may occur if you install the
unit by yourself.
Please use earth line. Do not place the earth line near water or gas pipes,
lightning-conductor, or the earth line of telephone. Improper installation of
earth line may cause electric shock.
Be sure to use the specified piping set for R410A. Otherwise, this may result
in broken copper pipes or faults.
A circuit breaker should be installed depending on the mounting site of the
unit. Without a circuit breaker, the danger of electric shock exists.
Do not install the unit near a location where there is flammable gas. The
outdoor unit may catch fire if flammable gas leaks around it.
Please ensure smooth flow of water when installing the drain hose.
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
Should abnormal situation arises (like burning smell), please stop operating the unit
!
and turn off the circuit breaker. Contact your agent. Fault, short circuit or fire may
occur if you continue to operate the unit under abnormal situation.
W
A R
Please contact your agent for maintenance. Improper self maintenance may cause electric shock and fire.
N Please contact your agent if you need to remove and reinstall the unit. Electric
I
shock or fire may occur if you remove and reinstall the unit yourself improperly.
N
If the supply cord is damaged, it must be replaced by the special cord
G
obtainable at authorized service/parts centers.
PRECAUTIONS DURING OPERATION
Avoid an extended period of direct air flow for your health.
! Do not insert a finger, a rod or other objects into the air outlet or inlet. As
W
the fan is rotating at a high speed, it will cause injury. Before cleaning, be
A
sure to stop the operation and turn the breaker OFF.
R
N
Do not use any conductor as fuse wire, this could cause fatal accident.
I
N
During thunder storm, disconnect and turn off the circuit breaker.
G
This unit has UV LED which emits ultra violet light. AVOID DIRECT EYE EXPOSURE.
!
2
ENGLISH
PRECAUTIONS DURING OPERATION
The product shall be operated under the manufacturer specification and not for
any other intended use.
Do not attempt to operate the unit with wet hands, this could cause fatal
accident.
Do not direct the cool air coming out from the air-conditioner panel to face
household heating apparatus as this may affect the working of apparatus such
as the electric kettle, oven etc.
Please ensure that outdoor mounting frame is always stable, firm and without
defect. If not, the outdoor unit may collapse and cause danger.
Do not splash or direct water to the body of the unit when cleaning it as this may cause short circuit.
Do not use any aerosol or hair sprays near the indoor unit. This chemical can adhere on heat exchanger fin and blocked the evaporation water flow to drain pan. The water will drop on tangential fan and cause water splashing out from indoor unit.
!
Please switch off the unit and turn off the circuit breaker during cleaning,
C
the high-speed fan inside the unit may cause danger.
A
U
T I
Turn off the circuit breaker if the unit is not to be operated for a long period.
O
N
Do not climb on the outdoor unit or put objects on it.
Do not put water container (like vase) on the indoor unit to avoid water
dripping into the unit. Dripping water will damage the insulator inside the
unit and causes short-circuit.
Do not place plants directly under the air flow as it is bad for the plants.
When operating the unit with the door and windows opened, (the room humidity
is always above 80%) and with the air deflector facing down or moving
automatically for a long period of time, water will condense on the air
deflector and drips down occasionally. This will wet your furniture.
Therefore, do not operate under such condition for a long time.
If the amount of heat in the room is above the cooling capability of the unit
(for example: more people entering the room, using heating equipments and
etc.), the preset room temperature cannot be achieved.
This appliance can be used by children aged from 8 years and above and persons
with reduced physical, sensory or mental capabilities or lack of experience
and knowledge if they have been given supervision or instruction concerning
use of the appliance in a safe way and understand the hazards involved.
Children shall not play with the appliance. Cleaning and user maintenance
shall not be made by children without supervision.
3
NAMES AND FUNCTIONS OF EACH PART
INDOOR UNIT
Pre-filter To prevent dust from coming into the indoor unit. (Refer page 19)
Front panel
Indoor unit indicators Light indicator showing the operating condition. (Refer
page 5)
Horizontal deflector Vertical deflector (Air Outlet) (Refer page 14)
Remote controller Send out operation signal to the indoor unit. So as to
operate the whole unit. (Refer page 6)
OUTDOOR UNIT
Drain pipe Condensed water drain to outside. Connecting cord and insulation
pipe for piping Air inlet (Back, Left side)
Air outlet
MODEL NAME AND DIMENSIONS
MODEL RAS-DX18CF RAC-DX18CF
WIDTH (mm) 900 750
HEIGHT (mm) 300 570
DEPTH (mm) 230 280
4
ENGLISH
INDOOR UNIT INDICATORS OPERATION INDICATOR
OPERATION LAMP This lamp lights during operation.
TIMER LAMP This lamp lights when the timer is working.
FILTER LAMP When the device is operated for a total of about 200 hours, the FILTER lamp lights to indicate that it is time to clean the filter. The lamp goes
out when the ”
(AUTO SWING)” button is
pressed while the device is on “STANDBY MODE”.
UV FRESH UV Fresh lamp can be ON or OFF by press the operation button. Please refer to page 10 for detail operation.
AIR SLEEP This lamp lights when the Air Sleep function is in operation. Please refer to page 9 for detail operation.
TEMPORARY SWITCH Use this switch to start and stop when the remote controller
does not work. By pressing the temporary switch, the operation is done in
previously set operation mode. When the operation is done using the temporary
switch after the power source is turned off and turn
on again, the operation is done in automatic mode.
5
NAMES AND FUNCTIONS OF REMOTE CONTROL UNIT
REMOTE CONTROLLER This controls the operation of the indoor unit. Signal range to reach indoor unit is about 7 meters. If inverter lamp is used, the range of control may be shorter. This unit can be fixed on a wall using the fixture provided. Before fixing it, make sure the indoor unit can be controlled from the remote controller.
Transmission sign The transmission sign blinks when a signal is sent.
Display This indicates the room temperature selected, timer status, function and intensity of circulation selected.
AIR SLEEP button Use this button to set a comfortable air sleep temperature in the room or start operation.
DEHUMIDIFYING button Use this button to dehumidify the room or start operation.
COOLING button Use this button to set cooling mode in the room or start
operation.
RESET button
POWERFUL MODE buttonA Use this button to deliver faster and more comfortable air-conditioning or start operation.TO
STOP button Press this button to stop operation only.
ONE-TOUCH SILENT button Use this button to set silent condition.
FAN SPEED selector This determines the fan speed. Each time you press this button, the
intensity of circulation will change from (MED) to (LOW) to (SILENT).
(AUTO) to (HI) to
AUTO SWING button Controls the angle of the horizontal air deflector.
TEMPERATURE button Use this button to raise or lower the temperature setting. (Keep pressed, and the value will change more quickly.)
OFF-TIMER button Select to turn OFF time.
ON-TIMER button
Select to turn ON time.
Precautions for Use Do not put the remote controller in the following places.
In direct sunlight. In the vicinity of a heater. Handle the remote controller
carefully. Do not drop it on the floor, and protect it from water. Once the
outdoor unit stops, it will not restart for about 3 minutes (unless you turn
the power switch off and on or unplug the power cord and plug it in again).
This is to protect the device and does not indicate a failure.
6
ENGLISH
COOLING OPERATION
Use the device for cooling when the outdoor temperature is 21~ 43°C. If indoor
humidity is very high (over 80%), some dew may form on the air outlet grille
of the indoor unit.
Press the
(COOLING) button so that the display indicates
(COOL).
1 Cooling operation starts with a beep. The cooling function does not start if
the temperature setting is higher than the current room temperature (even
though the
(OPERATION) lamp lights). The cooling function will start as soon as you set
the temperature below the current room temperature.
Set the desired FAN SPEED with the button (the display indicates the setting).
(FAN SPEED)
2
(AUTO) : The FAN SPEED is HI at first and varies to MED or LOW automatically when the preset
temperature has been reached.
(HI)
: Hi fan speed mode.
(MED) : Medium fan speed mode.
(LOW) : Low fan speed mode.
(SILENT) : Silent fan speed mode.
Set the desired room temperature with the TEMPERATURE
3
button (the display indicates the setting).
The range of 25 ~ 28°C is recommended as
the room temperature for cooling.
If the temperature setting is 27°C, the room
temperature will be controlled at around 27°C.
The temperature setting and the actual room temperature may vary somewhat depending on conditions.
STOP Press the
button to stop operation.
As the settings are stored in memory in the remote controller, you
only have to press the settings next time.
(COOLING) button to repeat the same
7
DEHUMIDIFYING OPERATION
Use the device for dehumidifying when the room temperature is over 16°C. When
it is under 15°C, the dehumidifying function will not work.
Press the
(DEHUMIDIFY) button.
1
Dehumidifying operation starts with a beep.
The FAN SPEED is set at SILENT or LOW automatically.
The FAN SPEED button can be used to change between SILENT and LOW only.
Set the desired room temperature with the TEMPERATURE button (the display
indicates the setting).
2 The range of 20-26°C is recommended as the room temperature for
dehumidifying.
STOP Press the
button to stop operation.
As the settings are stored in memory in the remote controller, you
only have to press the
(DEHUMIDIFY) button next time.
Dehumidifying Function
When the room temperature is higher than the temperature setting: The device
will dehumidify the room, reducing the room temperature to the preset level.
When the room temperature is lower than the temperature setting: Dehumidifying
will be performed at the temperature setting slightly lower than the current
room temperature, regardless of the temperature setting. The function will
stop (the indoor unit will stop emitting air) as soon as the room temperature
becomes lower than the setting temperature. You might feel a bit colder in
dehumidifying operation.
8
ENGLISH
AIR SLEEP MODE
With the air sleep sensor, the air conditioner can monitor the
activity/movement level in a room and adjust the temperature and humidity
automatically, thus achieving the purpose of comfortable sleep environment and
enegry saving.
Press the
(Air Sleep) button.
1 Air sleep operation starts with a signal received sound “beep”. (Air
sleep lamp at indoor unit lights during operation.)
Set the desired room temperature with the TEMPERATURE button (the display indicates the setting).
2
The range of 25-28°C is recommended as the room temperature for comfortable sleep.
At first unit will operate at cooling mode for 1 hour at setting conditions.
If there is only small activity/movement or sleep is confirmed, the
temperature will be increased 1°C and the unit will continue running for 1
hour. The fan speed will be changed to SILENT.
If the condition of activity in the room stable, then the unit will continue
running with the temperature increased of another 1°C.
During running Air Sleep, if big activity/movement is detected, the
temperature and fan speed will be resume back at previous setting.
The desire fan speed can be selected by press
button.
To resume back to the SILENT fan speed, please press
button.
CANCELLATION of AIR SLEEP Operation
Cancel Condition
Press
button.
Operation mode after cancel Stop operation
Press
button
COOLING operation
Press
button
DEHUMIDIFYING operation
NOTE
(1)
POWERFUL operation : POWERFUL operation will be a priority over the AIR SLEEP operation.
NOTE
The sensor detects changes to the infrared generated by human bodies.
Therefore, the accuracy of sensor may be affected in the following cases: The
activity level is very low (reading, watching TV, etc.) or human bodies are
blocked by a screen, cabinet or
glass board. The indoor temperature is very high and exceeds or approaches the
human body temperature (when the refrigeration
just begins). The person wears thick clothes and turns his/her back to the air
conditioner. Curtains or plant leaves swing due to pet movement or airflow.
9
HOW TO ACTIVATE AND TO CANCEL UV FRESH
After activation of any operation button (
or
or
),
the operation button again which is set previously, it can OFF the
lamp will ON. By pressing lamp.
CONDITION 1 During first time usage.
Press Press Press
Operation Button
or
or
or
or
again
or
or
again
Lamp ON OFF ON
CONDITION 2 After enter standby mode.
Press Press Press Press Press Press Press Press
Operation Button
or
or
or
or
again
or
or
or
or
again
or
or
or
or
again
Lamp ON OFF OFF OFF ON OFF ON OFF
Note:
During first time usage, if
Lamp is OFF, it is not malfunction. Press operation button
or
or
to ON the
Lamp.
10
ENGLISH
ONE-TOUCH SILENT MODE
Press the
button.
1 One time push to activate Super Silent symbol.
Operation start with a signal received sound “beep”.
Unit will be forced to operate in Cooling mode fan speed will be changed to SILENT.
and indoor
Press again to stop it, unit will continue to operate in cooling mode base on previous setting.
CANCELLATION of ONE-TOUCH SILENT Operation
Cancel Condition
Press
button.
Press
button
Press
button
Press
button
Operation mode after cancel Stop operation
POWERFUL operation
Cooling operation based on previous fan speed
NOTE:
Under ONE-TOUCH SILENT operation and quiet environment, phenomena like flowing
noise of refrigerant
in the refrigerating cycle may occur, but this is normal for the operation.
11
ONE-TOUCH POWERFUL MODE
Press the
button.
Operation start with a signal received sound “beep”.
Unit will be forced operate in
(COOL) with POWERFUL
1
MODE fan speed for 60 minutes, within this 60 minutes, fan speed may varies. Indicator appear during this period while
temperature and fan speed setting display remain unchanged.
(Operation lamp at indoor unit is blinking).
After 60 minutes, operation lamp stop blinking and indicator will disappear while unit will be in previous mode setting. Temperature and fan speed will change to previous setting.
Air blow sound will be slightly high due to forced operation.
If feeling so cold, cancel this powerful mode as mentioned in “CANCELLATION of POWERFUL operation”.
CANCELLATION of POWERFUL Operation
Press
Cancel Condition
Operation mode after cancel
or SLEEP timer time is up
Stop operation
key press
DEHUMIDIFYING operation
key press
AIR SLEEP operation
Press
or
Press
or
Press
or
Press
or
60 minutes time is up
COOLING operation in previous setting
NOTE
(1)
OFF TIME setting : OFF timer will be a priority over
the POWERFUL operation time.
(2)
ON TIME setting : POWERFUL operation will be a
priority over the ON timer operation
time.
12
ENGLISH
HOW TO SET THE TIMER
ON Timer and OFF Timer are available.
OFF Timer Reservation
OFF TIME setting
Select the OFF TIME by pressing the
(OFF) Button.
Setting time will change according to the below sequence when you press the button.
Operation stop at setting time
ON Timer Reservation
ON TIME setting
Select the ON TIMER by pressing the
(ON)
Button.
Setting time will change according to the below
sequence.
Operation will start for setting temperature at setting time (The starting time may different depend on the room temperature and set temperature).
13
AIR FLOW LOUVERS ADJUSTMENTS
1 Adjustment of the conditioned air in the upward and downward
directions.
The horizontal air deflector is automatically set to the proper angle suitable for each operation. The deflector can be swung up and down continuously and also set to the desired angle
using the ”
(AUTO SWING)” button.
If the ”
(AUTO SWING)” button is pressed once,
the horizontal air deflector swings up and down. If the button is pressed again, the deflector stops in its current position. Several seconds (about 6 seconds) may be required before the deflector starts to move.
Use the horizontal air deflector within the adjusting range shown on the right.
When the operation is stopped, the horizontal air deflector moves and stops at the position where the air outlet closes.
! CAUTION
In “Cooling” operation, do not keep the horizontal air deflector swinging for
a long time. Some dew may form on the horizontal air deflector and dew may
drop.
2 Adjustment of the conditioned air to the left and right.
Hold the second vertical air deflector of each set of vertical air deflectors
from right as shown in the figure and adjust the conditioned air to the left
and right.
WARNING Do not insert a finger, a rod or other objects into the air outlet or
inlet as the fan is rotating at a high speed, it will cause injury. Before any
cleaning or adjusting the deflectors, be sure to switch OFF the operation.
14
ENGLISH
HOW TO EXCHANGE THE BATTERIES IN THE REMOTE CONTROLLER
When using the remote control, if there is no response from the air
conditioner unit and or the remote control has fading and dim displays, the
batteries in the remote control device need to be removed and replaced with
new ones
1 Remove the cover as shown in the figure and take out the old batteries. =
2 Install the new batteries. The direction of the batteries should match the
marks in the case. ! CAUTION 1. Do not use new and old batteries, or different
kinds
of batteries together. 2. Take out the batteries when you do not use the
remote
controller for 2 or 3 months. 3. Use high quality and high performance AAA
batteries
to avoid short operating life and electrolyte leakages
15
THE IDEAL WAYS OF OPERATION
Suitable Room Temperature
! Warning
Freezing temperature is bad for health and a waste of electric power.
Install curtain or blinds
It is possible to reduce heat entering the room through windows.
Ventilation
! Caution
Do not close the room for a long period of time. Occasionally open the door
and windows to allow the entrance of fresh air.
Effective Usage Of Timer
At night, please use the “OFF or ON timer operation mode”, together with your
wake up time in the morning. This will enable you to enjoy a comfortable room
temperature. Please use the timer effectively.
Do Not Forget To Clean The Pre-Filter
Dusty pre-filter will reduce the air volume and the cooling efficiency. To
prevent from wasting electric energy, please clean the filter every 2 weeks.
Please Adjust Suitable Temperature For Baby And Children
Please pay attention to the room temperature and air flow direction when
operating the unit for baby, children and old folks who have difficulty in
movement.
16
ENGLISH
FOR USER’S INFORMATION
The Air Conditioner And The Heat Source In The Room
! Caution
If the amount of heat in the room is above the cooling capability of the air
conditioner (for example: more people entering the room, using heating
equipments and etc.), the preset room temperature cannot be achieved.
Not Operating For A Long Time
When the indoor unit is not to be used for a long
period of time, please switch off the power from the
mains. If the power from mains remains “ON”, the
indoor unit still consumes about 8W in the operation
OFF
control circuit even if it is in “OFF” mode.
When Lightning Occurs
! Warning
To protect the whole unit during lightning, please stop operating the unit and
remove the plug from the socket.
Interference From Electrical Products
! Caution
To avoid noise interference, please place the indoor unit and its remote
controller at least 1m away from electrical products.
17
ATTACHING THE AIR PURIFYING FILTERS
! CAUTION Cleaning and maintenance must be carried out when filter lamp
lights. Before cleaning, stop operation and switch off the power supply.
1 Open the front panel Pull up the front panel by holding it at both sides
with both hands.
2 Remove the Pre-filter Push upward to release the claws and pull out the Pre-
filter.
3 Attaching the air purifying filters Attach the air purifying filters to the
frame by gently compress its both sides and release after insertion into Pre-
filter frame.
! CAUTION
Do not bend the air purifying filter as it may cause damage to the structure.
Please do not smell direct from source of filter.
4 Attach the Pre-filters Attach the Pre-filters by ensuring that the surface
written “FRONT” is facing front. After attaching the Pre-filters, push the
front panel at three arrow portions as shown in figure and close it.
NOTE
In case of removing the air purifying filters, please follow the above
procedures. The cooling capacity is slightly weakened and the cooling speed
becomes slower when the air
purifying filters are used. So, set the fan speed to “HIGH” when using it in
this condition. Air purifying filters are not washable. It is recommended to
use vacuum to clean it. It can be use
for 1 year time. Type number for this air purifying filter is
18
ENGLISH
MAINTENANCE
! CAUTION Cleaning and maintenance must be carried out when filter lamp
lights. Before cleaning, stop operation and switch off the power supply.
1. PRE-FILTER
Clean the Pre-filter, as it removes dust inside the room. In case the Pre-
filter is full of dust, the air flow will decrease and the cooling capacity
will be reduced. Further, noise may occur. Be sure to clean the Pre-filter
following the procedure below.
1 Open the front panel and remove the Pre-filter Gently lift and remove the
air purifying filters from the air purifying filter frame.
2 Vacuum dust from the Pre-filter and air purifying filter using vacuum
cleaner. If there is too much dust, rinse under running tap water and gently
brush it with soft bristle brush. Allow filters to dry in shade.
3 Re-insert the air purifying filter to the filter frame. Set the Pre-filter
with “FRONT” mark facing front, and slot them into the original state. After
attaching the Pre-filters, push the front panel at three arrow portions as
shown in figure and close it.
NOTE: Air purifying filter should be cleaned every month or sooner if
noticeable loading occurs. When
used overtime, it may loose its deodorizing function. For maximum performance,
it is recommended to replace it every 1 year depending on application
requirements.
! CAUTION
Do not wash with hot water at more than 40°C. The pre-filters may shrink. When
washing it, shake off moisture completely and dry it in the shade; do not
expose it directly
to the sun. The pre-filters may shrink. Do not use detergent on the air
purifying filter as some detergent may deteriorate the air purifying
filter electrostatic performance.
19
2. CLEANING OF FRONT PANEL
Remove the front panel and wash with clean water. Wash it with a soft sponge.
After using neutral detergent, wash thoroughly with clean water.
When front panel is not removed, wipe it with a soft dry cloth. Wipe the
remote controller thoroughly with a soft dry cloth.
Wipe the water thoroughly. If water remains at indicators or signal receiver
of indoor unit, it causes trouble.
Method of removing the front panel. Be sure to hold the front panel with both
hands to detach and attach it.
Removing the Front Panel
Attaching the Front Panel
When the front panel is fully opened with both hands, push the right arm to the inside to release it, and while closing the front panel slightly, pull it out forward.
Move the projections of the left and right arms into the Flanges in the unit and securely insert them into the holes.
! CAUTION
Never use hot water (above 40°C), benzine, gasoline, acid, thinner or a brush,
because they will damage the plastic surface and the coating.
20
ENGLISH
! CAUTION
Please use earth line. Do not place the earth line near water or gas pipes,
lightning-conductor, or the earth line of telephone. Improper installation of
earth line may cause electric shock.
A circuit breaker should be installed depending on the mounting site of the
unit. Without a circuit breaker, the danger of electric shock exists.
NOTE
If the supply cord is damaged, it must be replaced by the special cord
obtainable at authorized service/parts centers.
! CAUTION Cleaning and maintenance must be carried out only by qualified
service personnel. Before cleaning, stop operation and switch off the power
supply.
REGULAR INSPECTION
PLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONNEL EITHER EVERY
HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT OR SERVICE SHOP.
1
Is the earth line disconnected or broken?
2
Is the mounting frame seriously affected by rust and is the outdoor unit tilted or unstable?
3
Is the plug of power line firmly plugged into the socket?
(Please ensure no loose contact between them).
21
AFTER SALE SERVICE AND WARRANTY
WHEN ASKING FOR SERVICE, CHECK THE FOLLOWING POINTS
CONDITION
CHECK THE FOLLOWING POINTS
When it does not operate
Is the fuse all right? Is the voltage extremely high or low? Is the circuit breaker “ON”?
When it does not cool well
Was the air filter cleaned? Does sunlight fall directly on the outdoor unit?
Is the air flow of the outdoor unit obstructed? Are the doors or windows
opened, or is there any source
of heat in the room? Is the set temperature suitable?
Notes
In quiet or stop operation, the following phenomena may occassionally occur,
but they are not abnormal for the operation. (1) Slight flowing noise of
refrigerant in the refrigerating cycle. (2) Slight rubbing noise from the fan
casing which is cooled and then gradually warmed as operation stops.
The odor will possibly be emitted from the room air conditioner because the
various odor, emitted by smoke, foodstuffs, cosmetics and so on, sticks to it.
So the air filter and the evaporator regularly must be cleaned to reduce the
odor.
Please contact your sales agent immediately if the air conditioner still fails
to operate normally after the above inspections. Inform your agent of the
model of your unit, production number, date of installation. Please also
inform him regarding the fault.
Power supply shall be connected at the rated voltage, otherwise the unit will
be broken or could not reach the specified capacity.
22
ENGLISH
Please note: On switching on the equipment, particularly when the room light is dimmed, a slight brightness fluctuation may occur. This is of no consequence. The conditions of the local Power Supply Companies are to be observed.
Note
Avoid to use the room air conditioner for cooling operation when the outside
temperature is below 21°C (70°F). The recommended maximum and minimum
operating temperatures of the hot and cold sides should be as below:
Indoor Outdoor
Dry bulb °C Wet bulb °C Dry bulb °C Wet bulb °C
Minimum 21 15 21 15
Maximum 32 23 43 26
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References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>