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24K/36K/
42K/48K/
55K   

17

Installation and Maintenance

8.The Installation of the Outdoor Unit

Avoid

Direct sunlight 

Near Heat Source/ventilation fan  

Container With Flammable materials  

Thick Oil fog    

Wet Or Uneven place    

Aisle Or sideway  

8.1 Installation sites

Place it in cool temperature.
Place it in an area with good ventilation.
Have required space for air inlet, outlet and 
maintenance. (Figure 8.1)
Make a strong base(10X40cm

2

 board made of 

concrete or similar). The appliance should be 
placed not less than 10 cm high to avoid being  
wet or corroded. Otherwise, it may cause  damage 
to the appliance or reduce its life time. (Figure 8.2)
Fix the base with hook bolts or alike to reduce 
vibration and noise. 

You should

If the total tube length is between 5m and 50m (Max. 
length), an additional refrigerant must be added. It's 
not necessary to add compressor oil.

Figure 8.3

8.2 Installation of the outdoor unit 

Firstly select the installation site and fix the outdoor 
unit. If it needs to be fixed onto the wall, make sure 
that the wall and the supporting rack is strong enough 
to hold the weight of the appliance.

Release the setscrews of the electric cover, 
remove the electric cover (If the valve cover  is 
there either, please release it).   
Connect the indoor unit  wiring  to the outdoor unit 
panel according to the electric wiring diagrams. 
Be sure to make  each wire allowing 10cm longer 
than the required length for wiring.
Ground the unit following local electrical 
regulations.
Check the wiring with the wiring diagrams and 
make sure it's well connected. Fix the  wiring with 
clips and reinstall the electric cover.            

Wiring instruction for outdoor unit

Fig.8.3

Top obstacle

Obstacle  

2m  

Air outlet  

2m  

Ground

Min.10cm

 Air inlet 

Min. 10cm

Min.

10cm  

Air outlet

Air inlet

Min.
35cm

Min.50cm

Fig. 8.1

Concrete base or similar

Min.10cm

Setscrew
(at least 4)

About 40cm

About 10cm

Fig.8.2

Tube length  L

Indoor unit

Height difference H

Outdoor unit

30(m)           15(m)

            15(g/m)          

50(m)           30(m)

            35(g/m)          

Max. Tube 
length(L)     

Model   

18K  

Max. Height 
difference(H)

Add. 

Refrigerant

(exceed 5m)

Fig.8.4

Wire Ropes

   in case a seasonal strong wind

storm

,

  

etc.

blows against the

 

unit

 .

Fix the unit with wire ropes to prevent overturning 

Summary of Contents for YFKN18BZNREUH1

Page 1: ...er R 410A 50Hz Heat Pump R 410A 50Hz Cooling Only Model YFKN42BZMREUH1 YFKN48BZMREUH1 YFKN55BZMREUH1 YFKN18BZNREUH1 YFKN24BZNREUH1 YFKN36BZNREUH1 Model YFJN18BZNRETH1 YFJN24BZNRETH1 YFJN36BZNRETH1 YFJ...

Page 2: ...erant Piping 14 4 1 The Piping Material 14 4 2 Piping Connection 14 5 Drain Piping 15 6 Electrical wiring 16 7 Attaching the Air Return Grille 16 8 The Installation of the Outdoor Unit 17 8 1 Installa...

Page 3: ...damage It refers to the remarks and instruction to the operation maintenance and service DANGER WARNING Alert Symbols CAUTION 1 Contents NOTE This air conditioner has been designed for the following t...

Page 4: ...ing the air conditioner the main power switch the of air conditioner must be cut off immediately and the agent must be contacted If the supply cord is damaged it must be replaced by the factory or its...

Page 5: ...Intake Inside of Horizontal Louver 3 Composition of the Air conditioner Indoor Unit Outdoor Unit Notes Figures in the manual are only simple representation of the appliance it may not comply with the...

Page 6: ...cy switch It lights on during operation It lights off all when setting SLEEP mode Run indicator Red Wired remote controller Wireless remote controller Wire remote controller optional You can control t...

Page 7: ...rned off by user The fan of the indoor unit will never stop running in cooling operation It remains running even if the compressor stops working Heating capacity depends on external factors as outdoor...

Page 8: ...bs 4 then remove the holding screws 4 or 6 as indicated by the arrow marks Step2 Open the air return grille to an angle of more than 45 and take out the air filter from the air inlet grille by holding...

Page 9: ...4 way valve Heat exchanger Liquid piping Heating cycle Cooling cycle INDOOR UNIT OUTDOOR UNIT Heat exchanger EEV Service valve Outdoor unit Indoor unit Terminal Terminal SI L N SI L N Power connecting...

Page 10: ...es other than the specified refrigerant R410A such as air Any presence of air or other foreign substance in the refrigerant circuit causes an abnormal pressure rise or rupture resulting in injury If a...

Page 11: ...8 9 10 11 12 13 14 Tool Knife or wire stripper Tube expander Inner hexagon spanner Tape measure Gradienter Hammer Churn drill 3 1 Before installation Unit type Power supply specification When moving t...

Page 12: ...anging And Adjustment For Pipe Cover Fixing For Refrigerant Piping Connection For Drain Pipe Connection For Joint Socket Connection For Drain Hose Connection For Drain Hose Cover 1 1 1 1 2 2 1 10 8 1...

Page 13: ...rain properly The ceiling is strong enough to bear the weight of the indoor unit Sufficient clearance for maintenance and servicing Piping between the indoor and outdoor units is within the allowable...

Page 14: ...let Right outlet Rear outlet Drain outlet rear right Drain outlet rear left Drain outlet right Drain outlet left Fig 3 3 3 Fig 3 3 4 Fig 3 3 5 Slide stoppers 4 places of the catches then remove the sc...

Page 15: ...nclosed paper pattern as a reference and drill the holes for the suspension bolts and pipe Note Decide the locations based on the direct measurements ii After the locations are properly placed the pap...

Page 16: ...panners Fig 4 3 Screw up the nut torque 3 After finishing connecting the refrigerant pipes keep it warm with the insulation material 6 35mm 9 52mm 12 7mm 15 88mm 19 05mm Tube size 20 40 60 80 100 Torq...

Page 17: ...ld be insulated because condensation may form there causing water to leak Drain piping passing indoors Drain sockets Referring the figure below insulate the drain socket and drain hose using the inclu...

Page 18: ...n grille When clamping the wiring use the included clamping material as shown in the FIG 6 1 to prevent outside pressure being exerted on the wiring connections and clamp firmly When doing the wiring...

Page 19: ...d onto the wall make sure that the wall and the supporting rack is strong enough to hold the weight of the appliance Release the setscrews of the electric cover remove the electric cover If the valve...

Page 20: ...eat insulation effect Also be sure the condensed drain hose splits away from bundle and drips clear of the unit and the piping The two refrigerant tubes and electrical wire if local codes permit shoul...

Page 21: ...cal technical service center of our company for further information Narrow pipe Hex wrench Wide pipe Service valve Bonnet of service valve Bonnet of narrow valve Bonnet of wide valve Indoor unit Outdo...

Page 22: ...ng flexible cord make sure to use the round crimp style terminal for connection to the power supply terminal block Place the round crimp style terminals on the wires up to the covered part and secure...

Page 23: ...nt possible harm to the environment or human health from uncontrolled waste disposal recycle it responsibly to promote the sustainable reuse of material resources To return your used device please use...

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