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In no circumstances can the grounding cable for main power 
switch be disconnected.

Do  not  use  a  damaged  power  cable  and  replace  it  if  it  is 
damaged.

When the air conditioner is used for the first time or when it is 
powered off for a long time, it needs to be warmed up for at 
least 12 hours before use.

CAUTION

Doing so puts you at risk of an electric shock. 

These fins are sharp and you could cut you.

Condensation may form if the humidity is above 80 percent, if 
the drain outlet is blocked or if the filter is polluted.

If the stand is damaged, the unit may fall and cause an injury.

Incomplete drainage may cause water leaks.

 

Do not remove the front panel. Some internal parts may cause 
injury or be damaged.

Never  expose  children,  plants  or  animals  directly  to  the  air 
flow. 

 

Falling or tumbling may result in injury.

Failure  to  observe  could  cause  the  chemicals  to  become 
deposited  in  the  unit,  which  could  endanger  the  health  of 
those who are hypersensitive to chemicals.

It may cause incomplete combustion or deformation of the unit 
due to the heat.

If the gas leaks out and stays around the air conditioner, a fire 
may break out. 

Wiring  work  must  be  done  by  authorized  qualified 
electricians.
All  wiring  works  must  comply  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 ensured that the minimum clearance between the 

A  separate  power  supply  that  meets  the  rated  parameter 
values must be provided for the air conditioner.

2. OPERATING INSTRUCTIONS

NOTE

The figures show in this manual are for reference only, and the 
actual product may be different.

To ensure that the product continues to perform well, please operate 
the air conditioner under the following temperature conditions.

Cooling

Heating

Dehumidific
ation

Room temperature
Outdoor temperature

Room temperature

Outdoor temperature

Room temperature

Outdoor temperature

10  to 55

Under 30

-15  to 24

10  to 55

Above 17

Above 12

1-phase

 25

72

90 indoor unit

105 indoor unit

105 outdoor unit

    2

  27

  2

19.5

 6

  6

32

 220-240V~50Hz

1-phase  220-240V~50Hz

1-phase  220-240V~50Hz

1-phase  220-240V~50Hz

Model

Maximum 

operating 

current

Power Supply

Voltage and

frequency

Recommended 
circuit breaker
(A)

Phase

1-phase

16

53

14.5

 220-240V~50Hz

90 outdoor unit

  22

25

1-phase  220-240V~50Hz

1-phase

32

120 outdoor unit

140 indoor unit

160 indoor unit

160 outdoor unit

   2

 33

  2

27

  6

   6

 40

 220-240V~50Hz

1-phase  220-240V~50Hz

1-phase  220-240V~50Hz

1-phase  220-240V~50Hz

1-phase

  6

120 indoor unit

  2

 220-240V~50Hz

140 outdoor unit

 32

 40

1-phase  220-240V~50Hz

Summary of Contents for OTEC ICHD018

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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 unit The air conditioner you purchased may not be completely consistent with the appearance and functions listed in the figures Please refer to the actual product CAUTION The air conditioner consists...

Page 8: ...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 ens...

Page 9: ...omply 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 ensured that the minimum clearance between the A separate power supply that meets the rated parameter values must be provided for the air conditioner 2 OPERATING INSTRUCTIONS NOTE The figures show in ...

Page 10: ...he 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 conditioner Use the dedicated line and the effective grounding socket that matches the standard plug of the air conditioner The plug of this unit provides a grounding plug which must not be changed Use...

Page 11: ...egree 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 relative humidity is too high when the IDU runs in the cooling mode white mist may appear due to the humidity and the temperature difference between the air inlet and outlet When the air conditioner is ...

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 P90 P91 L0 L1 L2 L3 L5 L6 Error or protection definition IDU EEPROM error Indoor outdoor communication fault Indoor fan stall fault ODU temperature sensor or EPROM fault ODU temperature sensor fault O...

Page 13: ...gnal 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 select Auto as the fan speed The fan speed can only be selected in the Cool Heat and Fan modes The remote controller cannot send signals when the batteries are exhausted Check whether the mode on the...

Page 14: ...ide 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 14000 6000 78 5 51 42 40 1720 32 6830 R410A 3200g 59 30 8 4 4 27 5 91 60 33 7120 R410A 3800g 6200 15500 51 42 40 30 8 1720 220 240V 50Hz 220 240V 50Hz Circulating air flow Noise Net weight External di...

Page 15: ...ter 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 between the wind turbine and the heat exchanger of the IDUs using screws and the minimum gap with the flammable surface is 12 mm The user is prohibited from disassembling and repairing the part Otherwi...

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