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1. IMPORTANT SAFETY INFORMATION

If you install the unit incorrectly yourself, you risk water leaks, 
electric shock, and fires.

To avoid electric shocks, fires, and injury, power the unit off 
and contact your dealer if the unit becomes faulty.

Contact with water increases the risks of electric shocks or 
fires.

The remote controller may be damaged.

Using wire or copper wire may cause the unit to break down 
or cause a fire.

It may cause a fire. 

 

Do not touch the fan with any object.

Ask a qualified service person to perform these tasks. 

Contact your local government for details.

When the system is installed in a small room, keep the 
refrigerant below the limit; otherwise, if there's a leak, the 
oxygen in the room may be affected, causing a serious 
accident.

If it does and comes into contact with fire, a harmful gas will 
result.

Do  not  use  the  unit  until  a  technician  instructs  you  that  it’s 
safe to do so.

Do  not use it for  cooling precision  instruments,  food,  plants, 
animals, or art, or you may damage the unit.

Otherwise, an electric shock and injury may result. 

To avoid electric shocks, ensure the unit is grounded and that 
the  earth  wire  is  not  connected  to  a  gas  or  water  pipe, 
lightning conductor, or telephone earth wire.

WARNING

There are two types of safety precautions - please read both carefully.

 

 

 

 

CAUTION

 

   

Failure to observe a warning may result in serious injury or 
death. The appliance must be installed in accordance with 
national wiring regulations.

Failure to observe a caution may result in injury or damage 
to the equipment.

CONTENTS

PAGE

2

WARNING

CAUTION

Summary of Contents for OTEC IECS-D Series

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Page 7: ...IDU ODU Wired controller is standard The air conditioner is delivered from the factory without connecting pipes All the figures in the manual explain only the general appearance and dimensions of the...

Page 8: ...leak the oxygen in the room may be affected causing a serious accident If it does and comes into contact with fire a harmful gas will result Do not use the unit until a technician instructs you that...

Page 9: ...mply with electrical safety specifications It must be ensured that the air conditioner is well grounded that is the main switch of the air conditioner must have a reliable grounding cable It must be e...

Page 10: ...e rated voltage The power cable must be equipped with a protective device such as a leakage protector or an air switch and its capacity must be greater than 1 5 times the maximum current of the air co...

Page 11: ...gree of frosting It generally takes 2 to 10 minutes During the defrosting process the ODU may emit steam due to the rapid defrosting which is a normal phenomenon In an environment where the indoor rel...

Page 12: ...L9 L0 and L1 90 105 120 140 160 Error code E0 E1 E3 E5 E50 E51 E52 E53 E54 E55 E6 E60 E61 E7 E71 E72 E73 E74 EE PA PF P0 P1 P10 P11 P12 P2 P4 P40 P41 P42 P43 P44 P45 P46 P47 P48 P49 P6 P8 P81 P82 P9 P...

Page 13: ...nal is sent when is pressed Check whether the mode on the display is Auto When Auto is selected the IDU will automatically select Auto as the fan speed When Dry is selected the IDU will automatically...

Page 14: ...de Max input current Max power input Permitted pressure of cooling system Refrigerant Cooling capacity Rated current Rated power W A W M3 h dB A kg mm dB A kg mm A W MPa mm mm 220 240V 50Hz 4 4 26 6 1...

Page 15: ...er unit For safety reasons always turn off the air conditioner and turn off the power before cleaning the air conditioner For air conditioners with auxiliary heaters the auxiliary heater is secured be...

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