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installation manual

To install properly, please read this "installation manual" at 

first.

The air conditioner must be installed by qualified persons.

When installing the indoor unit or its tubing, please follow 

this manual as strictly as possible.

If  the  air  conditioner  is  installed  on  a  metal  part  of  the 

building, it must be electrically insulated according to the 

relevant standards to electrical appliances.

When  all  the  installation  work  is  finished,  please  turn  on 

the power only after a thorough check.

Regret for no further announcement if there is any change 

of this manual caused by product improvement.

2.    INSTALLATION INFORMATION

INSTALLATION ORDER

Select the location;

Install the indoor unit;

Install the outdoor unit;

Install the connecting pipe ;

Connect the drain pipe;

Wiring;

Test operation.

Ground the air conditioner.

Do  not  connect  the  ground  wire  to  gas  or  water  pipes, 

lightning  rod  or  a  telephone  ground  wire.Incomplete 

grounding may result in electric shocks.

Be sure to install an earth leakage breaker.

Failure  to  install  an  earth  leakage  breaker  may  result  in 

electric shocks.

Connect the outdoor unit wires , then connect the indoor 

unit wires.

 

You  are  not  allow  to  connect  the  air  conditioner  with  the 

power  source  until  wiring  and  piping  the  air  conditioner  is 

done.

While  following  the  instructions  in  this  installation 

manual,  install  drain  piping  in  order  to  ensure  proper 

drainage  and  insulate  piping  in  order  to  prevent 

condensation.

Improper  drain  piping  may  result  in  water  leakage  and 

property damage.

Install the indoor and outdoor units, power supply wiring 

and  connecting  wires  at  least  1  meter  away  from 

televisions  or  radios  in  order  to  prevent  image 

interference or noise.

Depending on the radio waves, a distance of 1 meter may not 

be sufficient enough to eliminate the noise.

The appliance is not intended for use by young children 

or infirm persons without supervision.

Don't install the air conditioner in the following locations:

There is petrolatum existing.

There is salty air surrounding (near the coast).If this can't 

be avoided, choose a anticorrosive model.

There is caustic gas (the sulfide, for example) existing 

in the air (near a hot spring).

The Volt vibrates violently (in the factories).

In buses or cabinets.

In kitchen where it is full of oil gas.

There is strong electromagnetic wave existing.

There are inflammable materials or gas.

There is acid or alkaline liquid evaporating.

Other special conditions.

The appliance shall not be installed in the laundry.

If  the  refrigerant  leaks  during  installation,  ventilate  the 

area immediately.

Toxic gas may be produced if the refrigerant comes into the 

place contacting with fire.

The temperature of refrigerant circuit will be high, please 

keep  the  interconnection  cable  away  from  the  copper 

tube.

After  completing  the  installation  work,  check  that  the 

refrigerant does not leak.

Toxic  gas  may  be  produced  if  the  refrigerant  leaks  into  the 

room and comes into contact with a source of fire, such as a 

fan heater, stove or cooker.

CAUTION

3.    ATTACHED FITTINGS

Please check whether the following fittings are of full scope. 

If there are some spare fittings , please restore them carefully. 

1

1

2

4

4

  Name of 

Accessories

Installation manual

Hook

Hanging arm

Network matching wire

1

Drainage pipe

Bolt assembly

Qty 

2

(This manual)

Usage

Outline

The indoor unit which at the 

terminal of communication s-

ystem should connect a  im-

pedance between port P an-

d port Q.

Drainage

1

Thermal insulation pipe (160model)

Keep the drainage pipe 

temperature

2

Copper

Use for pipe connection  

of engineering 

installation

1

model 36~140

model 160

Snapring

Use for fastening the 

drainage pipe

Summary of Contents for OTEC IEFC-D Series

Page 1: ...IEFC D Series Floor Ceiling Installation Manual...

Page 2: ...the set to fall water leakage electrical shock and fire Install at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly...

Page 3: ...radio waves a distance of 1 meter may not be sufficient enough to eliminate the noise The appliance is not intended for use by young children or infirm persons without supervision Don t install the a...

Page 4: ...T2 9x10 C H CAUTION 4 INDOOR UNIT INSTALLATION NOTE This manual is subject to changes due to technological improvement without further notices 4 1 The units may be mounted vertically provided that the...

Page 5: ...g arm on the hanging screw bolt Refer to Fig 4 11 Prepare the mounting bolts on the unit Refer to Fig 4 12 Screw nut Washer Hanging screw bolt Hanging arm Fig 4 11 20 25mm Fig 4 6 Fig 4 7 1 Fix the ho...

Page 6: ...hanging arm by sliding backward Securely tighten the mounting bolts on both sides Table 4 2 4 5 Material and size of the piping 5 1 The Procedure of Connecting Pipes 5 1 1 Measure the necessary length...

Page 7: ...ly flow 5 Be sure of no leakage by checking it with leak detector or soap water 6 Cover the joint of the connecting pipe to the indoor unit with the soundproof insulating sheath fittings and bind it w...

Page 8: ...Connect the indoor unit to power only after the refrigerant has been vacuumed 9 Don t connect the power wire to the signal wire connection end 7 1 The specification of power CAUTION A disconnection de...

Page 9: ...f the outdoor unit two screws Connect the cables of the indoor unit to the outdoor unit s terminal block according to the numbers To prevent water from entering make an electrical coil with the connec...

Page 10: ...e Check the following items according to the manual If there is any fault troubleshoot by referring to the section Fault and Troubleshooting in the manual Indoor Unit The wired remote controller switc...

Page 11: ...o restart function SW6 Definition SW7 Definition RESERVED RESERVED Unit state Display output Digital display panels Unit state Digital display Standby Shutting down Operation indicator flashes slowly...

Page 12: ...OMEGAIECS Round Flow Ceiling Cassette Technical Manual info otecvrf com www otecvrf com info omegavrf com www omegavrf com IECSJ3A IM1D0622...

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