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Free Match for North America

2

2 Installation Location and Matters Needing Attention

The installation of the unit must comply with the national and local safety 

regulations. The installation quality directly affects the normal use, so the user should 
not carry out the installation personally, instead, the installation and debugging should 
be done by technician according to this manual. Only after that, can the unit be 
energized.

2.1  How to select the Installation Location for the indoor unit

(1). Where there is no direct sunlight.
(2). Where the top hanger, ceiling and the building structure are strong enough to withstand the 

weight of the unit.

(3). Where the drain pipe can be easily connected to outside.
(4). 

Where the flow of the air inlet and outlet are not blocked.

(5). Where the refrigerant pipe of the indoor unit can be easily led to outside.
(6). 

Where there is no inflammable, explosive substances or their leakage.

(7). Where there is no corrosive gas, heavy dust, salt mist, smog or moisture.

 CAUTION!

The unit which is installed in the following places is likely to run abnormally. If unavoidable, 

please contact the technician at the 

.,1*+20(

 appointed service center

  Where is full of oil; 

② 

Alkaline soil off the sea;

③ 

Where there is sulfur gas(like sulfur hot spring); 

Where there are devices with high frequency (like wireless devices, electric welding devices, 

or medical equipments); 

⑤ 

Special circumstances.

2.2  Electric Wiring

(1). The installation must be done in accordance with the national wiring regulations.
(2). Only the power cord with the rated voltage and exclusive circuit for the air conditioning can 

be used.

(3). Do not pull the power cord by force.
(4). The electric installation should be carried out by the technician as instructed by the local 

laws, regulations and also this manual.

(5). The diameter of the power cord should be large enough and once it is damaged it must be 

replaced by the dedicated one.

(6). The earthing should be reliable and the earth wire should be connected to the dedicated 

device of the building by the technician. Besides, the air switch coupled with the leakage 
current protection switch must be equipped, which is of enough capacity and of both 
magnetic and thermal tripping functions in case of the short circuit and overload.

2.3  Earthing Requirements

(1). 

 The air conditioner is classified into the Class I appliances, so its earthing must be reliable.

(2).  The yellow-green line of the air conditioner is the earth line and can not be used for other 

Summary of Contents for KM09HFDI

Page 1: ...AIR CONDITIONER MODEL KM09HFDI KM12HFDI INSTRUCTION MANUAL KM18HFDI KM21HFDI KM24HFDI...

Page 2: ......

Page 3: ...mode and FAN mode while the COOL mode DRY mode and FAN mode are compatible between each other If the supply power fails when the unit is running then the indoor unit will send the start signal to the...

Page 4: ...Indoor Unit 6 3 5 Installation of the Air Supply Duct 6 3 6 Drawings of the Air Supply Outlet and Return Air Inlet 7 3 7 Installation of the Return Air Duct 8 3 8 Installation of the Condensate Pipe...

Page 5: ...nger or any other object into the air outlet inlet grille Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of use Never refit the unit and conta...

Page 6: ...20 appointed service center Where is full of oil Alkaline soil off the sea Where there is sulfur gas like sulfur hot spring Where there are devices with high frequency like wireless devices electric w...

Page 7: ...e reliable earth terminal should be provided and the earth wire can not be connected to any of the following places Running water pipe Coal gas pipe Sewage pipe Other places where the technician think...

Page 8: ...ir Electric BoxLi quid Pipe Gas Pipe Drain Pipe Downward Return Air Fig 1 Table 1 Outline Dimensions Item Model A B C D E F G H I J 0 742 491 662 620 700 615 782 156 200 635 0 0 942 491 862 820 900 61...

Page 9: ...way from the TV set or radio to avoid the image interference and noise even if 1m is kept the noise may be produced due to the strong electromagnetic wave 2 Installation of the Indoor Unit Insert the...

Page 10: ...actual installation environment 3 4 Horizontality Check of the Indoor Unit After the installation of the indoor unit its horizontality must be checked to make sure the unit keep horizontal fore and a...

Page 11: ...us the maximum length of the return air duct For the unit with the auxiliary electric heating function if the round duct is to be adopted then the straight length of the transition duct can not be les...

Page 12: ...Air Cover Plate Downward Return Air Backward Return Air Rectangular Flange Fig 11 2 the return air cover plate 3 Connect one end of the return air duct to the return air outlet of the unit by rivets a...

Page 13: ...te outlet on both left and right sides of the unit Once one is confirmed to be used the other should be clogged by a rubber plug bundled by the binding wire and insulated by the insulation material to...

Page 14: ...hould be as short as possible and with at least a 1 100 degree of slope to avoid forming air pockets 3 If the proper degree of slope of the drain pipe is not allowed a lift pipe should be installed 4...

Page 15: ...t Pipe Hanger Bracket Fig 16 Notes The inclination height of the drain hose should be within 75mm so that the outlet of the drain hose does not suffer the external force If multiple drain pipes conver...

Page 16: ...hten them with the plastic tape CAUTION During the connection of the indoor unit and the refrigerant pipe never pull any joints of the indoor unit by force otherwise the capillary pipe or other pipe m...

Page 17: ...d from the pipe After that fill the hole on the wall with sealing material to prevent wind and rain coming into the room 3 15 Wiring between the Wire and the Wiring Terminal 1 Wiring of the Single Cor...

Page 18: ...e improper wiring would cause the air conditioning unit running abnormally or damaged Do not let the electric wires touch the refrigerant pipe the compressor the fan or other moving parts Do not modif...

Page 19: ...INDOOR UNIT D INDOOR UNIT C INDOOR UNIT B INDOOR UNIT A XT XT XT2 OUTDOOR UNIT Fig 21 KM42H4O POWER INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C INDOOR UNIT D OUTDOOR UNI T INDOOR UNIT E XT2 XT1 XT3 XT4...

Page 20: ...er Supply Running Current A Input Power W Recommended Power Cord Sectional Area Pieces Type Model Indoor Fan Motor Cooling Heating Cooling and Heating 0 208 230V 60Hz 0 406 75 75 AWG18 4 KM12HFDI 208...

Page 21: ...bulb temp Dry bulb temp Wet bulb temp Rated Cooling 80 0 26 7 67 0 19 4 95 0 35 0 75 0 23 9 Max cooling 80 0 26 7 67 0 19 4 115 0 46 1 75 0 23 9 Min cooling 67 0 19 4 57 0 13 9 67 0 19 4 57 0 13 9 Rat...

Page 22: ...he set temperature is too high Poor heating effect The air filter screen is too dirty or clogged The door or window is not closed fully The set temperature is too low Uncontrollable controller If the...

Page 23: ...e error When the air conditioning unit is used under the environment with heavy dust the air filter should be cleaned often generally once every two weeks 2 Maintenance before seasonal use Check if th...

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