York YFJN18BZNRETH1 Installation And Maintenance Manual Download Page 1

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Installation and Maintenance Manual

Floor Ceiling

Air Conditioner

R-410A 50Hz Heat Pump

R-410A 50Hz Cooling Only

Model:

YFKN42BZMREUH1

YFKN48BZMREUH1

YFKN55BZMREUH1

YFKN18BZNREUH1

YFKN24BZNREUH1

YFKN36BZNREUH1

Model:

YFJN18BZNRETH1

YFJN24BZNRETH1
YFJN36BZNRETH1

YFJN42BZMRETH1

YFJN48BZMRETH1

YFJN55BZMRETH1

Version

：

YPM2017010HC

Summary of Contents for YFJN18BZNRETH1

Page 1: ...ner R 410A 50Hz Heat Pump R 410A 50Hz Cooling Only Model YFKN42BZMREUH1 YFKN48BZMREUH1 YFKN55BZMREUH1 YFKN18BZNREUH1 YFKN24BZNREUH1 YFKN36BZNREUH1 Model YFJN18BZNRETH1 YFJN24BZNRETH1 YFJN36BZNRETH1 YFJN42BZMRETH1 YFJN48BZMRETH1 YFJN55BZMRETH1 Version YPM2017010HC ...

Page 2: ...gerant 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 Installation Sites 17 8 2 Installation of the Outdoor Unit 17 9 Refrigerantpiping 18 9 1 Flaring with Tube Expander 18 9 2 Connecting piping Between Indoor and Outdoor Units 18 9 3 Heat Insulation of the Ref...

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 temperatures Operate the air conditioner within this range DC Inverter Unitary Series Humidity 30 80 Storage condition Temperature 25 60 Series Mode Outdoor operating temperature range Maximum Minimum...

Page 4: ...sing 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 service department in case of danger The place where this product is installed must have the reliable electrical earth facility and protections Please do not connect the grounding of this product to...

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 appearance of the air conditioner you have purchased Vertical adjustment louver swing automatically function is only available for some models ...

Page 6: ...ncy 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 the air conditioner with the wired remote controller or wireless remote controller It is used for power ON OFF setting the operating mode temperature fan speed and other functions There are different ...

Page 7: ...urned 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 unit temperature Heating capacity might decrease if outdoor ambient temperature is too low In several minutes after the heating mode is started the fan of the indoor unit will not run until the heat...

Page 8: ...obs 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 the air grille and lifting the air filter after detaching the filter from the hinges Installing the filter Step1 Insert the filer to the grille and aim the bottom hooks Pay attention to grille top h...

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 cord N L Power supply Outdoor unit Power supply Indoor unit Terminal Terminal SI L N SI L N Power connecting cord N R S T 42K 48K 55K 18K 24K 36K ...

Page 10: ...ces 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 any refrigerant has leaked out during the installation work ventilate the room The refrigerant produces a toxic gas if exposed to flames After all installation is completed check to make sure that no ...

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 the unit during or after unpacking make sure to lift it by holding its lifting lugs Do not exert any pressure on other parts especially the refrigerant piping drain piping and flange parts Wear protec...

Page 12: ...Hanging 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 For Drain Hose Connection 1 For Drain Hose And Piping Connection HeavyInsulation Joint Socket Paper Pattern Jump Ring Plastic Sheath ...

Page 13: ...drain 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 limits refer to the installation of the outdoor unit The indoor unit outdoor unit power supply wiring and transmission wiring is at least 1 meter away from televisions and radio to prevents interfere...

Page 14: ...tlet 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 screws 4 or 6 places 1 Remove the air return grille 3 3 3Indoor unit preparation Remove the screw and detach the side panel by sliding it toward the direction indicated by the arrow mark 2 Remove side ...

Page 15: ...enclosed 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 paper pattern can be removed 2 Install the suspension bolts in place i Wall Floor Pattern board 3 Fix with 4 suspension bolts and fasten the four fixing bolts M8 2 each on the left and right sides firml...

Page 16: ...nners Fig 4 3 Screw up the nut torque 3 After finishing connecting the refrigerant pipes keep it warm with the insulation material φ6 35mm φ9 52mm φ12 7mm φ15 88mm φ19 05mm Tube size 20 40 60 80 100 Torque N m Fig 4 4 Piping insulation procedure Clamp attached Insulation attached Refrigerant pipe field supplied Side of the indoor unit Insulation field supplied Installation and Maintenance DANGER T...

Page 17: ...uld 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 included large sealing pad Drain piping connections Do not connect the drain directly to sewage pipes that smell of ammonia The ammonia in the sewage might enter the indoor unit through the drain pipes an...

Page 18: ...rn 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 make sure the wiring is neat and does not cause the control box lid to stick up then close the cover firmly When attaching the control lid make sure you do not pinch any wires Outside the machine sep...

Page 19: ...ed 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 requ...

Page 20: ...heat 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 should be taped together with white armoring tape The drain hose may also be included and taped together as a bundle with the piping Wrap the tape from the bottom of the outdoor unit to the top of the pip...

Page 21: ...local 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 Outdoor unit Manifold valve Pressure gauge Vacuum pump Fig 10 1 Fig 10 2 10 Air purging and test run Air and moisture remaining in the refrigerant system have undesirable effects Therefore they must be p...

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 in place When connecting the terminal block using a single core wire be sure to perform curing 3 When transmitting cable length is more than 15 meters a larger wire size should be selected 4 Use a shi...

Page 23: ...ent 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 the return and collection systems or contact the retailer where the product was purchased They can take this product for environmental safe recycling ...

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York YFJN18BZNRETH1, Installation And Maintenance Manual

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