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Before operating the unit, read these operating instructions thoroughly and keep them for future reference.
Provide fast cooling, maximum comfort, clean air and optimise energy saving
ECONAVI and AUTO COMFORT
The Right Choice for Energy Saving
Equipped with the human activity sensor, the air conditioner ensures to deliver cool or warm air to you, and keeps the room consistently comfortable with minimum energy consumption. See "To learn more..." for details.
Multi air conditioner system
Multi air conditioner systems save space by letting you connect multiple indoor units to a single outdoor unit.
Indoor units
Operation conditions
Use this air conditioner under the following temperature range.
DBT : Dry bulb temperature
WBT : Wet bulb temperature
Temperature (°F/°C) | CS-ME7RKUA CS-E9RKUAW CS-E12RKUAW | CU-E9RKUA CU-E12RKUA | CU-2E18NBU CU-5E36QBU | ||||
DBT | WBT | DBT | WBT | DBT | WBT | ||
COOL | Max. | 89.6/32 | 73.4/23 | 114.8/46 | 78.8/26 | 114.8/46 | 78.8/26 |
Min. | 60.8/16 | 51.8/11 | 0/-17.8 | -/- | 14.0/-10 | -/- | |
HEAT | Max. | 86.0/30 | -/- | 75.2/24 | 64.4/18 | 75.2/24 | 64.4/18 |
Min. | 60.8/16 | -/- | -4/-20 | -5.8/-21 | 5.0/-15 | 3.2/-16 |
Power Supply
Models Number | Time Delay Circuit Breaker | Rated Volts |
CS-E9RKUAW / CU-E9RKUA | 15 Amps | 208/230V |
CS-E12RKUAW / CU-E12RKUA | 25 Amps | |
CS-ME7RKUA / CS-E9RKUAW / CS-E12RKUAW / CU-2E18NBU | 25 Amps | |
CS-ME7RKUA / CS-E9RKUAW / CS-E12RKUAW / CU-5E36QBU | 45 Amps |
Inserting the batteries
Clock setting
Basic operation
The illustrations in this manual are for explanation purposes only and may differ from the actual unit. They are subject to change without notice for future improvement.
Accessories
To prevent personal injury, injury to others or property damage, please comply with the following:
Incorrect operation due to failure to follow instructions below may cause harm or damage, the seriousness of which is classifi ed as below:
This sign warns of death or serious injury. | |
This sign warns of injury or damage to property. |
The instructions to be followed are classified by the following symbols:
![]() | This symbol denotes an action that is PROHIBITED. |
![]() | These symbols denote actions COMPULSORY. |
Indoor unit and outdoor unit
This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
Please consult authorised dealer or specialist to clean the internal parts, repair, install, remove and reinstall the unit. Improper installation and handling will cause leakage, electric shock or fi re.
Confirm with authorised dealer or specialist on usage of any specifi ed refrigerant type. Using refrigerant type other than the specifi ed may cause product damage, burst and injury etc.
Do not install the unit in a potentially explosive or fl ammable atmosphere. Failure to do so could result in fi re.
Do not insert your fi ngers or other objects into the air conditioner indoor or outdoor unit, rotating parts may cause injury.
Do not touch the outdoor unit during lightning, it may cause electric shock.
Do not expose yourself directly to cold air for a long period to avoid excess cooling.
Do not sit or step on the unit, you may fall down accidentally.
Remote control
Do not allow infants and small children to play with the remote control to prevent them from accidentally swallowing the batteries.
Power supply
Do not use a modifi ed cord, joint cord, extension cord or unspecifi ed cord to prevent overheating and fire.
To prevent overheating, fire or electric shock:
If the supply cord is damaged, it must be replaced by the manufacturer, service agent or similarly qualifi ed persons in order to avoid a hazard.
It is strongly recommended to install this unit using an Earth Leakage Circuit Breaker (ELCB) or Ground Fault Interrupt (GFCI) or Appliance Leakage Current Interrupt (ALCI) to prevent electric shock or fire.
Stop using the product if any abnormality/ failure occurs or turn off the power switch and breaker. (Risk of smoke/fi re/electric shock)
Examples of abnormality/failure
Contact your local dealer immediately for maintenance or repair assistance.
This equipment must be earthed to prevent electrical shock or fire.
Prevent electric shock by switching off the power supply:
Indoor unit and outdoor unit
Do not wash the indoor unit with water, benzene, thinner or scouring powder to avoid damage or corrosion at the unit.
Do not use for preservation of precise equipment, food, animals, plants, artwork or other objects. This may cause quality deterioration, etc.
Do not use any combustible equipment in front of the airfl ow outlet to avoid fi re propagation. Do not expose plants or pet directly to airfl ow to avoid injury, etc.
Do not touch the sharp aluminium fi n, sharp parts may cause injury.
Do not switch ON the indoor unit when waxing the fl oor. After waxing, aerate the room properly before operating the unit.
Do not install the unit in oily and smoky areas to prevent damage to the unit.
Do not dismantle the unit for cleaning purpose to avoid injury.
Do not step onto an unstable bench when cleaning the unit to avoid injury.
Do not place a vase or water container on the unit. Water may enter the unit and degrade the insulation. This may cause an electric shock.
Do not open window or door for long time during COOL/DRY mode operation.
Prevent water leakage by ensuring drainage pipe is:
After a long period of use or use with any combustible equipment, aerate the room regularly.
After a long period of use, make sure the installation rack does not deteriorate to prevent the unit from falling down.
Remote control
Do not use rechargeable (Ni-Cd) batteries. It may damage the remote control.
To prevent malfunction or damage of the remote control:
Auto OFF/ON button
Use when remote control is misplaced or a malfunction occurs.
Raise the front panel:
Auto Restart Control
Note
To set the timer
2 sets of ON and OFF timers are available to turn ON or OFF the unit at different preset times.
Example:
OFF at 11:50PM
To adjust horizontal airflow direction
Operation mode
AUTO : During operation mode selection the POWER indicator blinks.
HEAT : Unit takes a while to warm up. The POWER indicator blinks during this operation.
COOL : Provides effi cient comfort cooling to suit your needs.
DRY : Unit operates at low fan speed to give a gentle cooling operation.
FAN : To circulate air in the room.
ECONAVI and AUTO COMFORT
Note
When manual AIR SWING is selected, the ECONAVI and AUTO COMFORT operations will be cancelled.
Human activity sensor operation
ECONAVI ; Detecting human presence and activity, the unit controls room temperature to save energy.
* During low activity, fan speed 1 tap up for first 15 minutes or until set temperature is reached.
** During human absence, maximum fan speed for COOL/DRY mode is medium fan.
The human activity sensor will also scan for area of heat source and movement in a room.
To ensure optimal performance of the unit, cleaning has to be carried out at regular intervals. Dirty unit may cause malfunction and you may see error code "H99". Please consult authorised dealer.
Indoor unit
Wipe the unit gently with a soft, dry cloth.
Human activity sensor
Do not hit or violently press or poke it with a sharp object. This can lead to damage and malfunction.
Front panel
Wash gently and dry.
Remove the front panel
Close it securely
Indoor unit
Air filters
Every 2 weeks
Remove air filter
Attach air filter
Air purifying filter
For seasonal inspection after extended non-use
For extended non-use
The following symptoms do not indicate malfunction.
Symptom | Cause |
Mist emerges from indoor unit. |
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Water fl owing sound during operation. |
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The room has a peculiar odour. |
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Indoor fan stops occasionally during automatic fan speed setting. |
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Airfl ow continues even after operation has stopped. |
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Operation is delayed a few minutes after restarting. |
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Outdoor unit emits water/steam. |
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TIMER indicator is always on. |
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POWER indicator blinks during HEAT mode with no warm air supply (and fl ap is closed). |
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Indoor fan stops occasionally during heating operation. |
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POWER indicator blinks before the unit is switched on. |
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Cracking sound during operation. |
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Discoloration of some plastic parts. |
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Check the following before calling for servicing. | |
Symptom | Check |
Operation in HEAT/COOL mode is not working effi ciently. |
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Noisy during operation. |
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Remote control does not work. (Display is dim or transmission signal is weak.) |
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The unit does not work. |
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The unit does not receive the signal from the remote control. |
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NON SERVICEABLE CRITERIAS
SWITCH OFF POWER AT THE CIRCUIT BREAKER then please consult an authorised dealer under the following conditions:
The unit stops and the TIMER indicator blinks.
Use remote control to retrieve error code.
Diagnostic display | Abnormality/Protection control |
H 00 | No memory of failure |
H 11 | Indoor/outdoor abnormal communication |
H 12 | Indoor unit capacity unmatched |
H 14 | Indoor intake air temperature sensor abnormality |
H 15 | Compressor temperature sensor abnormality |
H 16 | Outdoor current transformer (CT) abnormality |
H 19 | Indoor fan motor mechanism lock |
H 23 | Indoor heat exchanger temperature sensor 1 abnormality |
H 24 | Indoor heat exchanger temperature sensor 2 abnormality |
H 25 | Indoor ion device abnormality |
H 27 | Outdoor air temperature sensor abnormality |
H 28 | Outdoor heat exchanger temperature sensor 1 abnormality |
H 30 | Outdoor discharge pipe temperature sensor abnormality |
H 32 | Outdoor heat exchanger temperature sensor 2 abnormality |
H 33 | Indoor/outdoor misconnection abnormality |
H 34 | Outdoor heat sink temperature sensor abnormality |
H 36 | Outdoor gas pipe temperature sensor abnormality |
H 37 | Outdoor liquid pipe temperature sensor abnormality |
H 38 | Indoor/outdoor mismatch (brand code) |
H 39 | Abnormal indoor operating unit or standby units |
H 41 | Abnormal wiring or piping connection |
H 59 | Eco sensor abnormality |
H 64 | Outdoor high pressure sensor abnormality |
H 70 | Light sensor abnormality |
H 97 | Outdoor fan motor mechanism lock |
H 98 | Indoor high pressure protection |
H 99 | Indoor operating unit freeze protection |
F 11 | 4-way valve switching abnormality |
F 17 | Indoor standby units freezing abnormality |
F 90 | Power factor correction (PFC) circuit protection |
F 91 | Refrigeration cycle abnormality |
F 93 | Compressor abnormal revolution |
F 94 | Compressor discharge pressure overshoot protection |
F 95 | Outdoor cooling high pressure protection |
F 96 | Power transistor module overheating protection |
F 97 | Compressor overheating protection |
F 98 | Total running current protection |
F 99 | Outdoor direct current (DC) peak detection |
Information for Users on Collection and Disposal of Old Equipment and used Batteries
[Information on Disposal in other Countries outside the European Union]
These symbols are only valid in the European Union. If you wish to discard these items, please contact your local authorities or dealer and ask for the correct method of disposal.
Note for the battery symbol (bottom two symbol examples): This symbol might be used in combination with a chemical symbol. In this case it complies with the requirement set by the Directive for the chemical involved. Pb Contact your local hazardous waste disposal hotline.
Models Number | CS-ME7RKUA / CS-E9RKUAW / CS-E12RKUAW |
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Federal Communications Commission Interference Statement
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
FCC Caution: To assure continued compliance, follow the attached installation instructions. Any changes or modifi cations not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.
Industry Canada Notice
This Class B digital apparatus complies with Canadian ICES-003.
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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