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WARNING 

Ask an authorized dealer or qualified installation professional to  
install maintain the air conditioner.Inappropriate installation may  
result in water leakage,electric shock or fire. 
Do not expose the unit directly to sunlight and other souces of heat. 
Add a cover if necessary to prevent the unit from direct sunlight. 
A place that is even and strong enough to bear the weight of the  
unit.  
Do not install in a place that might increase the vibration of the unit.  
Install the unit at a place where noise and hot air couldn’t bother  
your neighbour. 
Do not install the air conditioner in a location subject to a risk of  
exposure to a combustible gas. If a combustible gas leaks, and  
stays around the unit, a fire may occur. 

Fig.4-2  

Remove obstacles around the unit in order to leave enough space  
for air circulation.  
Install the unit near to the indoor unit as faras possible under  
certain installation conditions. 

>4000 

>1000 

>8000 

>6000 

>400 

When installing the outdoor unit in a place that is constantly  
exposed to a strong wind such as the upper stairs or rooftop of  
a building, use a baffle when necessary. 
Install the unit so that its discharge port faces to the wall of the  
building. Keep a distance of 4000mm or more between the unit and  
the wall surface.  Keep strong wind from blowing back inside. 
Do not mount the outdooor unit on a wall.  

Fig.4-3 

strong wind  

>400 

>600 

>4000 

4.1   Installation place 

Please  keep  away  from  the  following place, or malfunction of the   
machine may be caused:   

Fig.4-4 

There is combustible gas leakage.  

4.2  Handling 

There  is  much  oil  (including engine oil) ingredient.   

There  is  salty  air  surrounding(near the coast)   

1

)

Do not unpacking the unit when handling. Use two ropes whose  

    lengths are more than 8m to handle the unit. Keep balance of the  
    unit, when lifting stably. Use a padding plate or packing materials  
    for protection if the package has been destroyed or no package. 
2

)

Keep the unit vertical when moving and handling. If the unit  

    barycenter is not at the center of the unit, do not lean it more than  
    30°. Refer to 

Fig.4-5

. Be careful during moving and lifting . 

3

)

Never hold the inlet of the outdoor unit to prevent it from deforming. 

4

)

Do not touch the fan with hands or other objects. 

There is caustic gas (the sulfide, for example) existing in the   
air (near a hotspring)  
A place the heat air expelled out from the outdoor unit can   
reach your neighbor’s window.  

A  place  that  the  noise  interferes your neighbors every day life.   
A  place  that  is  too  weak  to  bear  the weight of the unit   
Uneven place.  

5

)

Do not lean it more than 45°, and do not lay it sidelong. 

Insufficient ventilation place.  

Rope 

Near  a  private  power   station  or  high Frequency equipment.   
Install indoor unit, outdoor unit, power cord and connecting   
wire at least 1m away from TV set or radio to prevent noise or   
picture interference.  

Installation space (Unit:mm), see 

Fig.4-1,4-2,4-3,4-4  

Do not  unpacking 

(Wall or obstacle)  

Air inlet  

Position of barycenter  

>400  

Maintain   
channel  

>600  

Air inlet 

Make the rope go through the  
lifting holes from both right and  
left sides in the wooden collet 

Air outlet  

Fig.4-1  

Fig.4-5 

installation manual 

Summary of Contents for KMF-400 DN3

Page 1: ...ou very much for purchasing our air conditioner Before using your air conditioner please read this manual carefully and keep it for future reference INSTALLATION MANUAL Amazon Unitario KMF 400 DN3 KMF 450 DN3 ...

Page 2: ...refrigerant gas doer not leak CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER The characteristics of R410A refrigerant are Hydrophilic oxid izing membrane or oil and its pressure is approx 1 6 times high er than that of refrigerant R22 Accompanied with the new refrig erant refrigerating oil has also b...

Page 3: ...gth of indoor outdoor unit liquid side pipes 2 Mark refrigerant adding amount pipe diameters of pipe length actual length and height difference between indoor and outdoor unit on the usage confirm form of outdoor unit on electronic control box plate in advance in order to further use 3 2 Refrigerant pipe 1 Use the central air conditioner specified refrigerant pipe 2 Refrigerant pipe with specified...

Page 4: ...tion of the machine may be caused Fig 4 4 There is combustible gas leakage 4 2 Handling There is much oil including engine oil ingredient There is salty air surrounding near the coast 1 Do not unpacking the unit when handling Use two ropes whose lengths are more than 8m to handle the unit Keep balance of the unit when lifting stably Use a padding plate or packing materials for protection if the pa...

Page 5: ...act symmetrically Fig 4 8 Ensure the the basement supports the vertical foldings of the front and back bottom plates directly since its the actual bearing place Macadam base is unnecessary But cocrete surface should be roughed The proportions used in mixing the concrete should be cement 1 sand 2 pebble 4 including Φ10reinforced rebar Even the surface of concrete The edge of the basement should be ...

Page 6: ... d L4 L5 The first manifold D E N4 C Fig 5 2 Table 5 2 e f N5 N6 Tightening torque Pipe dimensions N m Fig 5 4 14 2 17 2 N m 144 176 kgf cm φ6 4 32 7 39 9 N m 333 407 kgf cm CAUTION φ9 5 49 5 60 3 N m 504 616 kgf cm All the manifolds used should be specialized ones designated by our company Fail to follow the requirements could lead to system error φ12 7 61 8 75 4 N m 630 770 kgf cm φ15 9 If the d...

Page 7: ...0 5m Elbow connecting instruction Main pipe diameters of connecting pipes Connecting pipe bending process Use the maximum indoor and outdoor connecting pipe diameter Cut the pipe at A insert the main pipe and weld Φ22 2 Joint dimension Cut the pipe at A flare and weld Φ25 4 Φ28 6 Table 5 6 Pipe diameters of the indoor unit joint Insert main pipe directly and weld Refrigerant Model Gas side Liquid ...

Page 8: ... maximum principle adopt Φ28 6 Φ12 7 Fig 5 5 CAUTION Suppose in the displayed piping system the total equivalent piping length of air side liquid side is longer than 90m Connecting method Table 5 10 Gas side Liquid side Flare welding Flare welding 1 Indoor unit branch pipe Outdoor unit 40kW Outdoor unit 45kW Flare welding Flare welding Inner branch pipes are a f the size selection please refers to...

Page 9: ...sure there is no any dirt or water before connecting the pipe to the outdoor units Liquid side stop valve Gas side stop valve 2 Wash the pipe with high pressure nitrogen never use refrigerant of outdoor unit 5 7 Airtight Test 1 Connect the high pressure side pipe and liquid side stop valve after connecting indoor unit pipes Nitrogen Nitrogen Liquid pipe Gas pipe Meter connector components used for...

Page 10: ... side Fig 5 9 Fig 5 11 5 10 Leakage inspection Inspect each joint to check if it leaks by using a leak detector CAUTION or suds Fig 5 12 Do not mixedly use tools used for different refriferant tools and measuring instrument that directly contact refriferant DO NOT use refriferant gas to air discharge NOTE A liquid side stop valve B gas side stop valve C and D are the joint of the indoor unit conne...

Page 11: ...refrigerant should be added in liquid quantifiedly by electronic scale 5 13 Manifold installation key points Install it in a horizonal level error angle should less than 10 It may result in damage if installing in a wrong way 6 2 Indoor unit system wiring 1 Individual power supply without power supply device See the table below Table 6 1 Fig 5 14 CAUTION Wiring diameters and continuous lengths in ...

Page 12: ...6 3 Outdoor unit main control board Fig 6 3 installation manual 11 ...

Page 13: ... Loading output terminal EXV A driving port Reserved Control port of DC fan A EXV B driving port Loading output terminal Control port of DC fan B Current inspection port of the inverter compressor A and B Loading output terminal Loading output terminal Power supply connected port of the main control panel Power output of the No 1 transformer 6 5 Dial indication sign instructions ENC3 and S12 defin...

Page 14: ...CCB and manual switch Cooling priority mode 3 Power supply RCCB and manual switch used for a same indoor unit should have universality Indoor unit power supply for the same unit should use the same circuit and ON OFF simultaneously or it could seriously affect the system service life and the unit may fail to power on Number 63 the more operating mode first Only respond the heating mode 4 Consider ...

Page 15: ...copressor and other components PQE connects to weak current signal wire don t connect it to strong current All the connecting terminal should be fastened reliably ground wire should be grounded correctly Use wiring terminal power supply wire with a torus After power supply wire has been connected to the wiring base it needs to be reliably fastened Power on after a careful inspection and make sure ...

Page 16: ...ant critical thickness 0 44 kg m3 for R410A Outdoor unit Indoor unit Room full of leak refrigerant All refrigerant has run up Confirm the critical thickness through follow steps and take necessary actions 1 Calculate the sum of the charge volume A kg Total refrigerant volume of 10HP factory refrigerant volume super addition 2 Calculate the indoor cubage B m as the minimum cubage 3 Calculate the re...

Page 17: ... normal If there s vibration and abnormal noise when operating Test if heating function works normally for heating and cooling A C 2 Outdoor unit If there s vibration and abnormal noise when operating Whether the wind and noise and condenser water could influence your neighbour If there s refrigerant leakage CAUTION When electrified start the unit immediately or reboot after shutdown A C has prote...

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Page 19: ...ch having a contact separation of at least 3mm in all poles should be connected in fixed wiring The appliance shall be installed in accordance with national wiring regulations The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube The power cord type designation is H05RN R or above H07RN F MD13I 052CW DZD 16127000A03538 ...

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