Heat Controller DMH36TB 1 User Manual

HEAT CONTROLLER, INC.  
Wall Mounted  
Mini-Split System  
DMC24DB-1, DMH24DB-1  
DMC36TB-1, DMH36TB-1  
Dual-Zone, Tri-Zone  
Air Conditioning/Heat Pump  
Important Information  
Please read carefully and thoroughly this manual before operating this unit.  
Contact a qualified sevice technician for installation, repair and maintenance of this unit.  
The appliance is not intended for use by young children or those who require supervision.  
Young children should be supervised to ensure that they do not play with the appliance.  
Safety Precautions  
Safety Precautions  
To prevent the injury of the user or other people and property damage, the following instructions must be  
followed.  
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by  
the following indications.  
This symbol indicates the possibility of death or serious injury.  
This symbol indicates the possibility of injury or damage to properties only.  
The meanings of the symbols used in this manual are as shown below.  
Be sure not to do.  
Be sure to follow the instruction.  
Installation  
For electrical work, contact  
the dealer, seller, a qualified  
electrician, or an Authorized  
Service Center.  
Install the panel and the  
cover of control box securely.  
Do not install, remove, or re-  
install the unit by yourself  
(customer).  
• There is risk of fire or electric  
shock.  
• There is risk of fire or electric  
shock.  
• There is risk of fire, electric shock,  
explosion or injury.  
Be cautious when unpacking  
and installing the product.  
For installation, always  
contact the dealer or an  
Authorized Service Center.  
Do not install the product on  
a defective installation stand.  
• Shape edges could cause injury.  
Be especially careful of the sharp  
edges.  
• There is risk of fire, electric shock,  
explosion, or injury.  
• It may cause injury, accident, or  
damage to the product.  
Owner's Manual 3  
Safety Precautions  
Be sure the installation area  
does not deteriorate with age.  
Install the indoor unit on the  
wall where the height from  
the floors more than 8ft(2.4m)  
Do not handle the pipe by  
yourself(Costomer)  
• If the base collapses, the air  
conditioner could fall with it,  
causing property damage, product  
failure, and personal injury.  
• There are sharp moving parts that  
could cause personal injury.  
• High-Pressure refrigent may cause  
personal injury.  
8ft(2.4m)  
Operation  
Do not allow water to run  
into electric part.  
Do not let the air conditioner  
run for a long time when the  
humidity is very high and a  
door or a window is left open.  
Do not store of use  
flammable gas or  
combustibles near the air  
conditioner.  
• Moisture may condense and wet or  
damage furnishings.  
• There is risk of fire or product  
failure.  
• There is risk of fire, failure of  
the product, and/or electric  
shock.  
Do not use the product in a  
tightly closed space for a  
long time.  
When flammable gas leaks, turn off  
the gas and open a window for  
ventilation before turning the  
product on. Do not use the  
Turn off breaker to the unit if  
strange sounds odors or  
smoke comes from it.  
telephone or turn switches on or off.  
• Oxygen deficiency could occur.  
There is risk of fire, Product faiure,  
and/or electric shock.  
• There is risk of explosion or fire.  
Some ventilation by opening window  
is necessary for the fresh air  
4 Room Air Conditioner  
Safety Precautions  
Stop operation and close any  
window in storm or hurricane  
before the hurricane arrives.  
Do not open the inlet grill of  
the product during operation.  
(Do not touch the  
electrostatic filter, if the unit  
is so equipped.)  
When the product is soaked  
(flooded or submerged),  
contact an Authorized  
Service Center.  
• There is risk of property damage,  
failure of product, or electric  
shock.  
• There is risk of physical injury,  
electric shock, or product.  
• There is risk of electrical shock.  
Ventilate the product from  
time to time when operating it  
together with a stove, etc.  
Turn off breaker to the  
appliance before performing  
cleaning or maintenance.  
When the product is not be  
used for a long time  
disconnect the power supply  
by turning off the breaker.  
• There is risk of fire or electrical  
shock.  
• There is risk of product damage or  
failure, or unintended operation.  
• There is risk of electric shock.  
Take care to ensure that nobody could step on  
or fall onto the outdoor unit.  
Do not insert hands or other objects through  
the air inlet or outlet while the air conditioner  
is on.  
• There could result in personal injury and product  
damage.  
• There are sharp and moving parts that could cause  
personal injury.  
Owner's Manual 5  
Safety Precautions  
Installation  
Always check for  
Install the drain hose to  
ensure that water is drained  
away properly.  
Keep level even when  
installing the product.  
gas(refrigerant) leakage after  
installation or repair of  
product.  
• Low refrigerant levels may cause  
product failure.  
• A bad connection may cause  
water leakage.  
• To avoid vibration or water  
leakage.  
90°  
Do not install the product  
where the noise or hot air  
from the outdoor unit could  
offend neighbors.  
Use two or more people to lift  
and transport the air  
conditioner.  
Do not install the product  
where it will be exposed to  
sea wind (salt spray) directly.  
• Avoid personal injury.  
• It may cause a problem for your  
neighbors.  
• It may cause corrosion in the  
product. Corrosion, particularly on  
the condenser and evaporator fins,  
could cause product malfunction  
or inefficient operation.  
Operation  
Do not direct airflow at room  
occupants.  
Do not use the product for  
special purposes, such as  
preserving foods, works of art,  
etc. It is a consumer air  
Do not block the inlet or  
outlet of air flow.  
conditioner, not a precision  
refrigeration system.  
• There is risk of damage or loss of  
property.  
• This could damage your health.  
• It may cause product failure.  
6 Room Air Conditioner  
Safety Precautions  
Use a soft cloth to clean.  
Do not use harsh detergents,  
solvents, etc.  
Do not touch the metal parts  
of the product when  
removing the air filter. They  
are very sharp!  
Do not step on or put  
anything on the product.  
(outdoor unit)  
There is risk of fire, electric shock  
or damage to the plastic parts of  
the product.  
There is risk of personal injury and  
failure of product.  
There is risk of personal injury.  
Always insert the filter  
securely. Clean the filter  
every two weeks or more  
often if necessary.  
Do not drink the water  
drained from the unit.  
Use a firm stool or ladder  
when cleaning or maintaining  
the air conditioner.  
It is not sanitary and could cause  
serious health issues.  
Be careful and avoid personal  
injury.  
A dirty filter reduces the efficiency  
of the air conditioner and could  
cause product malfunction or  
damage.  
Disuse  
Replace all the batteries in  
the remote.  
Do not recharge or  
disassemble the batteries. Do  
not dispose of batteries in a  
fire.  
If the liquid from the batteries  
gets onto your skin or  
clothes, wash it well with  
clean water. Do not use the  
remote if the batteries have  
leaked.  
There is risk of fire or explosion.  
They may burn or explode.  
The chemicals in batteries could  
cause burns or other health  
hazards.  
Owner's Manual 7  
Prior to operation  
Prior to operation  
Preparing for operation  
1. Contact an installation specialist for installation.  
2. Connect the power cable between indoor unit and outdoor unit properly.  
3. Use a dedicated circuit.  
Usage  
1. Being exposed to direct airflow for an extended period of time could be hazardous to your health.  
Do not expose occupants, pets, or plants to direct airflow for extended periods of time.  
2. Do not use this air conditioner for non-specified special purposes (e.g. preserving precision devices,  
food, pets, plants, and art objects). Such usage could damage the items.  
Cleaning and maintenance  
1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur when handling  
sharp metal edges.  
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,  
leading to possible electric shock.  
3. When cleaning the unit, first make sure that the power and breaker are turned off. There is a  
possibility of injury if the units power is accidentally triggered on while cleaning inner parts of the  
unit.  
Service  
For repair and maintenance, contact your authorized service dealer.  
Symbols Used in this Manual  
This symbol alerts you to the risk of electric shock.  
This symbol alerts you to hazards that could cause harm to the  
air conditioner.  
NOTICE  
This symbol indicates special notes.  
8 Room Air Conditioner  
Operating Instructions  
Operating Instructions  
Remote Controller  
1. Remove the battery cover by pulling it according to the arrow  
direction.  
2. Insert new batteries making sure that the (+) and (-) of battery are  
installed correctly.  
3. Reattach the cover by sliding it back into position.  
NOTICE  
Use 2 AAA(1.5volt) batteries. Do not use rechargeable  
batteries.  
Storage and Tips For Using the Remote Controller  
The remote control may be stored mounted on a wall.  
To operate the room air conditioner, aim the remote control at the signal receptor.  
The remote control will operate the air conditioner at a distance of up to 7m(23ft).  
Owner's Manual 9  
Operating Instructions  
Signal Receptor  
Receives the signals from the remote controller.(Signal receiving sound: two short beeps or one long beep.)  
Operation indicating lamps  
Operation Indication Lamps  
On/Off  
Sleep Mode : Lights up during Sleep Mode Auto operation.  
Timer : Lights up during Timer operation.  
Defrost Mode: Lights up during Defrost Mode or Hot Start operation (Heat pump model only)  
: Lights up during the system operation.  
OUT  
DOOR  
Outdoor unit  
operation  
: Lights up during outdoor unit operation.(Cooling model only)  
Desire temperature For cooling,dehumidification,heating modes it display Destired temperature  
indicator  
Cooling  
Dehumidification : 18°C~30°C(64°F~86°F)  
Heating : 16~30°C(60°F~86°F)  
: 18°C~30°C(64°F~86°F)  
AI : Auto Operation  
Po : Jet Cool  
Lo : Test Mode  
10 Room Air Conditioner  
Operating Instructions  
Remote Control Operation  
Controls  
1. START/STOP BUTTON  
Operation starts when this button is pressed  
and stops when the button is pressed again.  
Signal transmitter  
2. OPERATION MODE  
SELECTION BUTTON  
(Cooling Only)  
(Heat Pump)  
Used to select the operation mode.  
3. ROOM TEMPERATURE  
SETTING BUTTONS  
Used to select the room temperature.  
4. INDOOR FAN SPEED SELECTOR  
Used to select fan speed in four steps  
low, medium, high and CHAOS.  
5
6
1
3
5. JET COOL  
Used to start or stop the speed  
cooling/heating.(speed cooling/heating  
operates super high fan speed.)  
4
10  
2
7
6. CHAOS SWING BUTTON  
Used to stop or start louver movement  
and set the desired up/down airflow direction.  
CANCEL  
9
ON  
OFF  
SET  
AUTO CLEAN  
12  
11  
8
7. ON/OFF TIMER BUTTONS  
Used to set the time of starting and stopping  
operation. (See page 18)  
15  
16  
14  
13  
8. TIME SETTING BUTTONS  
Used to adjust the time. (See page 18)  
9. TIMER SET/CANCEL BUTTON  
Used to set the timer when the desired time is  
obtained and to cancel the Timer operation.  
(See page 18)  
Flip-up door  
(opened)  
10. SLEEP MODE AUTO BUTTON  
Used to set Sleep Mode Auto operation.  
(See page 18)  
Operation Mode  
Cooling Operation  
11. AIR CIRCULATION BUTTON  
Used to circulate the room air without cooling  
or heating. (See page 19)  
Auto Operation or Auto Changeover  
Healthy Dehumidification Operation  
12. ROOM TEMPERATURE CHECKING  
BUTTON  
Used to check the room temperature.  
Heating Operation  
13. RESET BUTTON  
Used prior to resetting time.  
Cooling Model( ), Heat Pump Model(  
)
14. 2nd F Button  
Used prior to using modes printed in blue at  
the bottom of buttons. (See page 17)  
15. AUTO CLEAN  
Used to set Auto Clean mode.  
16. ˚C TO ˚F SWITCHING BUTTON  
Used to switch temperature reading from  
Centigrade to Fahrenheit.  
Owner's Manual 11  
Operating Instructions  
Cooling Operation  
Press the Start/Stop button.  
The unit will respond with beep sound.  
1
Open the door on the Remote Controller. To select Cooling  
Operation, press the Operation Mode Selection button.  
Each time the button is pressed, the operation mode is shifted  
in the direction of the arrow.  
2
Cooling  
Auto  
Healthy  
Dehumidification  
Heating  
(Heat pump model only)  
(Cooling Only (Heat Pump  
model)  
model)  
Set the temperature lower than the room temperature.  
The temperature can be set within a range of  
18°C~30°C(64°F~86°F) in 1°C(2°F) .  
3
ON  
To raise the temperature  
To lower the temperature  
You can select the fan speed in four steps-  
low, medium, high, or CHAOS. Each time the  
button is pressed, the fan speed mode is  
shifted.  
4
Natural wind by the CHAOS logic  
For more fresh feeling, press the Indoor Fan Speed Selector and set CHAOS mode. In this mode, the wind  
blows like natural breeze by automatically changing fan speed according to the CHAOS logic.  
12 Room Air Conditioner  
Operating Instructions  
Auto Operation  
Press the Start/Stop button.  
The unit will respond with beep  
sound.  
1
Open the door on the Remote Controller. To select Auto  
Operation, press the Operation Mode Selection button.  
Each time the button is pressed, the operation mode is  
shifted in the direction of the arrow.  
2
Cooling  
Auto  
Healthy  
Dehumidification  
Heating  
(Heat pump model only)  
(Cooling Only (Heat Pump  
model)  
model)  
The temperature and fan speed are automatically set by the  
electronic controls based on the actual room temperature. If  
you want to change the set temperature, press the Room  
Temperature Setting buttons. The set temperature will be  
changed considering room temperature.  
ON  
3
To raise the temperature  
To lower the temperature  
DURING AUTO OPERATION:  
You cannot switch the indoor fan speed. It has already been set by the Fuzzy rule.  
If the system is not operating as desired, manually switch to another mode. The system will not  
automatically switch from the cooling mode to the heating mode, or from heating to cooling, then you must  
set the mode and the desired temperature again.  
During Auto Operation, pressing the chaos swing button makes the horizontal louvers swing up and down  
automatically. If you want to stop auto-swing, press the chaos swing button again.  
Owner's Manual 13  
Operating Instructions  
Healthy Dehumidification Operation  
Press the Start/Stop button.  
The unit will respond with beep  
sound.  
1
2
Open the door on the Remote Controller. To select Healthy  
Dehumidification Operation, press the Operation Mode  
Selection button.  
Each time the button is pressed, the operation mode is shifted  
in the direction of the arrow.  
Cooling  
Auto  
Healthy  
Heating  
Dehumidification (Heat pump model only)  
(Cooling Only (Heat Pump  
model)  
model)  
Set the fan speed. You can select the fan  
speed in four steps - low, medium, high, or  
CHAOS. Each time the button is pressed,  
the fan speed mode is shifted.  
3
ON  
NATURAL WIND BY THE CHAOS LOGIC  
For more fresh feeling, press the Indoor Fan Speed Selector and set  
CHAOS mode. In this mode, the wind blows like natural breeze by  
automatically changing fan speed according to the CHAOS logic.  
DURING HEALTHY DEHUMIDIFICATION OPERATION:  
If you select the dehumidification mode on the operation selection button, the A/C starts to run the  
dehumidification function, automatically setting the room temp. and air volume to the best condition for  
dehumidification based on the sensed room temp.  
In this case, the setting temp. is not displayed in the Remote Controller and you are not able to control  
the room temp. either.  
During the healthy dehumidification function, the air volume is automatically set according to the  
algorithm responding to the current room temp. and makes the room condition healthy and  
comfortable even in the high humidity season.  
14 Room Air Conditioner  
Operating Instructions  
Heating Operation(Heat pump model only)  
Press the Start/Stop button.  
The unit will respond with  
beep sound.  
1
2
Open the door on the Remote Controller. To select Heating  
Operation, press the Operation Mode Selection button.  
Each time the button is pressed, the operation mode is  
shifted in the direction of the arrow.  
Cooling  
Auto  
Healthy  
Heating  
Dehumidification (Heat pump model only)  
Set the temperature higher than the room temperature.  
The temperature can be set within a range  
of16°C~30°C(60°F~86°F) in 1°C(2°F).  
3
4
ON  
To raise the temperature  
To lower the temperature  
Set the fan speed again. You can  
select the fan speed in four stepslow,  
medium, high, or CHAOS. Each time  
the button is pressed, the fan speed  
mode is shifted.  
NATURAL WIND BY THE CHAOS LOGIC  
For more fresh feeling than other fan speed, press the Indoor Fan Speed Selector and set to CHAOS  
mode. In this mode, the wind blows like natural breeze by automatically changing fan speed according to  
the CHAOS logic.  
Owner's Manual 15  
Operating Instructions  
Jet Cool  
Press the Start/Stop button.  
The unit will respond with  
beep sound.  
1
2
3
Press the Jet Cool button to operate the  
speed cooling/heating mode and the unit  
will operate in super high fan speed on  
cooling/heating mode for 30/60 minutes.  
To cancel the Jet Cool mode, press the Jet Cool button or  
the fan button or the room temperature setting button again  
and the unit will operate in high fan speed in cooling/heating  
mode  
or  
or  
NOTICE  
Jet Cool function in heating mode is available on Artcool type only.  
During the JET COOL function at any moment, the A/C starts to blow the cool/heat air at  
extremely high speed for 30/60 minutes setting the room temp. automatically to  
18°C/30°C(64°F/86°F). It is especially used to cool/heat the room temperature in the shortest  
time.  
In order to return to the normal cooling/heating mode from the Jet Cool mode, you just press  
either the operation mode selection button, air volume selection or temp. setting button or the  
JET COOL button again.  
16 Room Air Conditioner  
Operating Instructions  
2nd F Operation  
Press the Start/Stop button.  
The unit will respond with  
beep sound.  
1
2
Open the door of the Remote Controller and press the 2nd  
button to operate functions printed in blue at bottom of  
buttons.  
F
(Check the indication of 2nd function on Remote Controller  
display.)  
These buttons operate the timer setting as follows:  
CANCEL  
SET  
ON  
OFF  
AUTO CLEAN  
CANCEL  
ON  
OFF  
SET  
AUTO CLEAN  
2nd function goes off in a short time automatically or when the  
button is pressed again.  
3
For more details, refer to functions next page.  
Owner's Manual 17  
Additional features  
Additional features  
Sleep Mode  
1. Press the Sleep Mode Auto button to set the time  
you want the unit to turn off automatically.  
To cancel the Sleep Mode, press the sleep  
Mode Auto button several times until the star  
(
) disappears from the operation display.  
2. The Timer is programmed in one-hour increments  
by pressing the Sleep Mode Auto button 1 to 7  
times.  
The sleep mode is available for 1 to 7 times.  
To alter the time period in steps of 1 hour, press  
the Sleep Mode Button while aiming at air  
conditioner.  
NOTICE  
The Sleep Mode will be operated at  
low fan speed (cooling) or medium fan speed  
(heat pump only) for quiet sleeping.  
IN COOLING MODE: The temperature will  
automatically rise by 1°C (2°F) over the next 30  
minutes and by 2°C (4°F) in 1 hour for  
comfortable sleeping.  
3. Make sure the Sleep Mode Auto LED lights up.  
Setting the Time  
1. Time can be set only when you have pressed the  
Reset button. If you have just replaced the batteries,  
the Reset button should be pressed to reset the  
time.  
2. Press the Time Setting buttons until the desired time  
is set.  
CANCEL  
Press the Start/Stop button.  
3. Press the Timer SET button.  
SET  
NOTICE  
Check the indicator for A.M. and P.M.  
Delay Start/Pre-Set Stop  
1. Make sure the time is set correctly on the Remote  
Controller display.  
SET  
4. Press the selected on/off setting by  
pressing the Timer SET button while  
aiming the Remote Controller at the  
signal receptor.  
ON  
OFF  
2. Press the ON/OFF Timer  
buttons to turn Timer on or off.  
To cancel the setting the timer.  
CANCEL  
3. Press the Time Setting  
buttons until the desired  
time is set.  
Press the Timer Cancel button while aiming  
Remote Controller at the signal receptor.  
(The timer lamp on the air conditioner and the  
display will go out.)  
NOTICE  
Select one of the following four types of operation.  
with the unit running  
Delay OFF Timer  
Delay ON Timer  
Delay OFF and ON Timer  
Delay ON and OFF Timer  
18 Room Air Conditioner  
Additional features  
Vertical Airflow Direction Control  
The up/down airflow (Vertical Airflow) can be adjusted  
by using the remote control.  
NOTICE  
If you press the CHAOS swing button, the horizontal airflow  
direction is changed automatically based on the CHAOS  
algorithm to distribute the air in the room evenly and at the  
same time to make the human body feel most comfortable,  
as if enjoying a natural breeze.  
Always use the remote control to adjust the up/down airflow  
direction. Manually moving the vertical airflow direction  
louver by hand could damage the air conditioner.  
When the unit is shut off, the up/down airflow direction louver  
will close the air outlet vent of the system.  
Press the Start/Stop button to start the unit.  
Open the door on the remote control.  
Press Chaos Swing button and the louvers will swing up  
and down. Press the Chaos Swing button again to set  
the vertical louver at the desired airflow direction.  
Air Circulation Mode  
Circulates the room air without cooling or heating.  
1. Press the Start/Stop button. the unit will respond with a beep.  
2. Open the door on the remote control. Press the Air Circulation button. Close the door on the remote control. Now  
each time that you press the Indoor Fan Speed Selector, the fan speed is shifted from low to CHAOS and back  
to low again.  
CHAOS Air  
Fan speed is on low. Fan speed is on medium. Fan speed is on high.  
NOTICE  
CHAOS Air economizes power consumption and prevents overcooling. The fan speed is automatically  
changed from high to low or vice versa, depending on the ambient temperature.  
Owner's Manual 19  
Additional features  
Auto clean  
1. Whenever you press the AUTO CLEAN button, Auto Clean Function will be selected  
or cancelled.  
AUTO CLEAN  
2. Auto Clean function works before and after cooling or dehumidification mode. For  
details, refer to the below points.  
3. When the unit is started after selecting Auto Clean ,the Cool Start function operates  
and indoor Fan is started after 20 seconds.  
4. When you press Start/Stop button to turn off the unit after the you have selected  
Auto Clean function, the air-conditioner circulates the indoor air in the Auto Clean  
mode with no more Cooling or Dehumidification operation. It lasts for 30 minutes.  
5. If you press the AUTO CLEAN button again during the product operation , Auto  
Clean function will be cancelled.  
NOTICE  
During Auto Clean function, moistures left in indoor units after Cooling Operation or Healthy  
Dehumidification Operation can be removed.  
During Auto Clean function, only Start/Stop button, Plasma button and AUTO CLEAN button are  
available.  
Forced Operation  
The operation will be started operation if the power button is pressed without remote controller.  
If you want to stop operation, re-press the button.  
ON/OFF  
button  
Heat pump Model  
Cooling Model  
Room Temp. 24°C(76°F) 21°C(70°F) Room Temp. < 24°C(76°F) Room Temp. < 21°C(70°F)  
Operating mode  
Indoor FAN Speed  
Setting Temperature  
Cooling  
High  
Cooling  
Healthy Dehumidification  
Heating  
High  
High  
High  
22°C(72°F)  
22°C(72°F)  
23°C(74°F)  
24°C(76°F)  
20 Room Air Conditioner  
Maintenance and Service  
Auto restart  
In case the power comes on again after a power failure, the unit operates automatically to the previous  
operating conditions.  
So there is no need of activating this function by pressing any key or button.  
In the initial mode, the fan operates at a low speed and the compressor starts about 3 minutes later.  
As the compressor starts, the fan speed also resumes its previous setting mode.  
In case of absence for a long time while power failure, turn off main power to avoid  
undersired Auto restart.  
NOTICE  
This feature is enabled by factory default setting, but you can disable it by  
pressing the ON/OFF button for 6 seconds. The unit will beep twice and the  
indicator lamp(2) will blink 4 times.  
To enable it, press the button again for 6 seconds. The unit will beep twice  
and the indicator lamp(1) will blink 4 times.  
ON/OFF  
button  
Helpful information  
Fan speed and cooling capacity.  
The cooling/heating capacity indicated in the specification is the value  
when the fan speed is set to high, and the capacity will be lower at  
low or medium fan speed.  
High  
High fan speed is recommended when you wish to cool/heat the room  
quickly.  
Speed  
Owner's Manual 21  
Maintenance and Service  
Maintenance and Service  
CAUTION: Before performing any maintenance, turn off the main power to the system.  
Indoor Unit  
Grille, Case, and Remote Control  
Turn the system off before cleaning.  
To clean, wipe with a soft, dry cloth. Do not use  
bleach or abrasives.  
Never use any of the followings:  
Water hotter than 40°C(104°F)  
Could cause deformation and/or  
discoloration.  
Volatile substances  
Could damage the surfaces of the air  
conditioner.  
NOTICE  
Supply power must be disconnected  
before cleaning the indoor unit.  
P
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d
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G
a
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i
Air filters  
Air outlet vent  
Air inlet vent  
(behind front panel)  
Vertical louver Horizontal louver  
AIR FILTERS  
The air filters behind the front grille should be checked  
and cleaned once in every 2 weeks or more often if  
neccessary.  
1. Lift the front access panel and pull the filter tab  
slightly forward to remove the filter.  
2. Clean the filter with a vacuum cleaner or warm,  
soapy water.  
If dirt is conspicuous, wash with a solution of  
detergent in lukewarm water.  
If hot water (40°C (104°F)or more) is used, it  
may be deformed.  
3. After washing with water, dry well in the shade.  
4. Re-install the air filter.  
TRIPLE DEODORIZER filter  
1. After removing the air filters, pull slightly forward to  
remove the TRIPLE DEODORIZING filter.  
2. Dry in the sunlight for two hours.  
3. Re-install the TRIPLE DEODORIZING filter to the  
original position.  
TRIPLE  
DEODORIZING  
Filter  
22 Room Air Conditioner  
Maintenance and Service  
When the air conditioner is not going to be used for a long time.  
When air conditioner is not going to be  
used for a long time.  
When the air conditioner is to be used again.  
1. Clean the air filter and install it in the indoor  
unit.  
(Refer to page 22 for cleaning filters.)  
1. Operate the air conditioner on Air circulation  
mode (Refer to page 19) for 2 to 3 hours.  
This will dry out the internal mechanisms.  
2. Turn off the circuit breaker, and disconnect  
the power cable.  
2. Check that the air inlet and outlet of the  
indoor/outdoor unit are not blocked.  
CAUTION: Turn off the  
circuit breaker when the  
air conditioner is not  
going to be used for a  
long time.  
Dirt may collect and may cause a fire.  
3. Remove the batteries from the Remote  
Controller.  
Operation Tips  
Do not overcool the room.  
Keep blinds or curtains  
closed.  
Keep the room temperature  
uniform.  
This is not good for the health  
and wastes electricity.  
Do not let direct sunshine enter  
the room when the air  
conditioner is in operation.  
Adjust the vertical and  
horizontal airflow direction to  
ensure a uniform temperature in  
the room.  
Make sure that the doors  
and windows are shut tight.  
Clean the air filter regularly.  
Ventilate the room  
occasionally.  
Avoid opening doors and  
windows if possible to keep the  
cool air in the room.  
Blockages in the air filter reduce  
the airflow and lower cooling  
and dehumidifying effects.  
Clean at least once every two  
weeks.  
Since windows are kept closed,  
it is a good idea to open them  
and ventilate the room now and  
then.  
Owner's Manual 23  
Maintenance and Service  
Troubleshooting  
Check the following points before requesting repairs or service.... If the fault persists, please contact your dealer or service center.  
Case  
Explanation  
See page  
12, 15  
-
The air conditioner does not  
operate.  
Check room temperature setting?  
Check if circuit breaker is on?  
The room has a peculiar  
odor.  
Check that this is not a damp smell exuded by  
the walls, carpet, furniture, or cloth items in the  
room.  
-
-
It seems that condensation  
is leaking from the air  
conditioner.  
Check the drain hose is connected tight or if  
indoor unit is installed even.  
Air conditioner does not  
operate for about 3 minutes  
after turning on.  
This is the protector of the mechanism.  
Wait about 3 minutes and operation will begin.  
About 3 minutes delay is applied to protect  
compressor from frequenty on/off.  
-
Does not cool or heat  
effectively.  
Is the air filter dirty? See air filter cleaning  
instructions.  
22  
12, 15  
-
Has the temperature been set correctly?  
Are the indoor unit's air inlet or outlet vents  
obstructed?  
The air conditioner  
operation is noisy.  
For a noise that sounds like water flowing.  
-This is the sound of refrigerant flowing inside  
the air conditioner unit.  
For a noise that sounds like the compressed  
air releasing into atmosphere.  
-
-This is the sound of the dehumidifying water  
being processed inside the air conditioning  
unit.  
Remote Controller display is  
faint, or no display at all.  
Are the batteries depleted?  
Are the batteries inserted in the opposite (+)  
and (-) directions?  
9
-
Crack sound is heard.  
This sound is generated by the  
expansion/constriction of the front panel, etc.  
due to changes of temperature.  
24 Room Air Conditioner  
Specifications and performance data subject to change without notice.  
HEAT CONTROLLER, INC.  
1900 WELLWORTH AVENUE • JACKSON, MICHIGAN 49203  
THE QUALITY LEADER IN CONDITIONING AIR  
P/No.: 3828A22236C  

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