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INSTALLATION AND OWNER'S MANUAL
YFFE(18-36)BYEXBHO-X
YFFE(36-48)BYOXBHO-X
Read this manual before installation and operation
Make sure that it is kept for future reference
0150517645
YFFE18BXEXBH-RX
YFFE24BXEXBH-RX
YFFE36BXEXBH-RX
YFFE36BXOXBH-RX
YFFE48BXOXBH-RX
YFFE55BXOXBH-RX
YFFE55BYOXBHS-X

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Summary of Contents for York YFFE18BXEXBH-RX

  • Page 1 INSTALLATION AND OWNER'S MANUAL YFFE18BXEXBH-RX YFFE24BXEXBH-RX YFFE36BXEXBH-RX YFFE36BXOXBH-RX YFFE48BXOXBH-RX YFFE55BXOXBH-RX YFFE(18-36)BYEXBHO-X YFFE55BYOXBHS-X YFFE(36-48)BYOXBHO-X Read this manual before installation and operation Make sure that it is kept for future reference 0150517645...
  • Page 3: Table Of Contents

    Contents Pages Important Safety Information Safety Awareness Air Conditioner Operation Conditions Remote Control Operation Remote Controller Key Functions Installation Notice Installation Place General Installation Guideline Preparation of installing parts and tools Installation procedure Piping procedure Installation of the Outdoor unit Install Outdoor pipes and Cables Connection of Outdoor Pipes...
  • Page 4: Important Safety Information

    Important Safety Information...
  • Page 5: Safety Awareness

    Safety Awareness Read this instruction booklet carefully before beginning. SPECIAL PRECAUTIONS WHEN WIRING...
  • Page 6 Air Conditioner Operating Conditions 18 to 43 16 to 30 18 to 43 16 to 30 PRECAUTIONS Curtain, door or the like objects will prevent the remote signal from being received by air conditioner. Do not get the interior of remote controller wet. It is forbidden to expose to direct sunlight or locate it in the place with high temp.
  • Page 7: Remote Controller

    Remote Controller Appearance and LCD Screen Display Dry mode Turbo mode Fan mode Cool mode Auto mode Quiet mode Function not available Code Sleep mode Keypad Lock Function not available Function not available Louver indicator Temperature indicator Fan speed Clock Timer TEMPERATURE +/- Temperature is set within the...
  • Page 8: Key Functions

    Key Functions 1. Auto Mode: 6. TURBO/QUIET Press the MODE button when indicates. (1) Press "TURBO/QUIET", the LCD displays The mode of operation, COOL or FAN, will be TURBO Mode is set. automatically determined by room temperature. Press "TURBO/QUIET" again,the controller LCD displays the Quiet Mode is set.
  • Page 9: Installation Notice

    Installation Notice not cause nuisance simply change it. specifically. refrigerant,...
  • Page 10: Installation Place

    Installation Place Decide the mounting position with the customer as follows. (1) Install the indoor unit level on a strong wall, floor, ceiling which is not subject to vibration. (2) The inlet and outlet ports should not be obstructed.The air should be able to blow all over the room. (3) Install the unit near an electric outlet or special branch circuit.
  • Page 11 Installation Place The bolt vibrates violently (in the factories). In cabinets oily gas. carry - in path.
  • Page 12 Purge the pipings Air purging and vacuuming of the piping and indoor unit o ensure if water can flow through drain hose of indoor unit Connecting the main cable to indoor unit controller...
  • Page 13: Preparation Of Installing Parts

    Preparation of Installing Parts and Tools 6.35 - Reamer R22 or R410A) Electrical leakage breaker...
  • Page 14: Installation Procedure

    Installation procedure PREPARING INDOOR UNIT INSTALLATION (1) Remove the air filters. (2) Remove the intake grilles. (3) Find the side covers (right and left side) in the box placed on the foam block for YCE3F10/15/20AAS-W, remove the Side cover (Right and left side) for YCE3F25/30/35/40/50AAS-W Air filter Intake grille Side cover A (Right side) Side cover A (Left side)
  • Page 15 Installation procedure Fig.6 Be sure to arrange the drain hose correctly so that it is leveled lower than the drain hose connecting port of the indoor unit. (Fig.6) Arrange the drain hose Drain hose lower than this portion. Fig.7 Drain hose CAUTION: Do not install the unit drain hose side is too high.
  • Page 16 Installation procedure 2.Drilling holes for anchor bolts and installing the anchor bolts Fig.10 With a concrete drill, drill four 12.7 mm dia. Holes. (Fig.10) 12.7mm Insert the anchor bolts into the drilled holes, and drive Fig.11 the pins completely into the anchor bolts with a hammer. (Fig.11) Fig.12A 3.
  • Page 17 Installation procedure Fig.15 Remove the hole cover. 5. Installing the drain hose Select whether the drain hose will be connected to the left or right side.(Fig.2) Insert the drain hose into the drain pan, then secure Drain hose the drain hose with a nylon fastener.(Fig.4) Arrange the drain hose lower than this portion Wrap the insulation (drain hose) around the drain hose...
  • Page 18 Installation procedure MOUNT THE COVER PLATE AND THE INTAKE GRILL 1.Mount the cover plate (right) Fig.17 Cover plate (right) (1) Cut a pipe exit hole in the right plate. This is only when the pipe exits from the right side. This operation is not required when the protrusion is on the top or rear.
  • Page 19 Fig.22 Fig.23 Fig.24 Fig.25...
  • Page 20 Fig.26 the drain - outlet should be in water, and fix it on the wall to avoid swinging in the wind. Tape the piping and connecting cable, from down to up. Form the piping gathered by taping along the exterior wall and fix it on the wall by saddle Fig.27 or equivalent.
  • Page 21 Fig.28 Pipe Tighten torque A(mm) Flare shape size 6.35 1420~1720N.cm 8.3~8.7 (144~176kgf.cm) 9.52 3270~3990N.cm 12.0~12.4 (333~407kgf.cm) R0.4 ~ 0.8 12.7 4950~6030N.cm 12.4~16.6 (490~500kgf.cm) 6180~7540N.cm 18.6~19.0 15.88 (630~770kgf.cm) 9720~11860 N.cm 19.05 22.9~23.3 (990~1210 kgf.cm) Fig.29 Fig.30 Fig.18)
  • Page 22: Installation Of The Outdoor Unit

    Installation of the Outdoor Unit 1. Single unit mounting and obstruction is lower than unit, Above150mm Above150mm Above300mm and obstruction is lower than unit, Above150mm Fig.31 2. Multi-unit installation (unit: mm) Fig.32 Back and side Front and back Above 150 Above 300 Above 300 Above 300...
  • Page 23 Installation of the Outdoor Unit 3. Multi-unit installation in front and back (unit: mm) Fig.33 Standard The top and two side surfaces must be exposed to open space, and barriers on at least one side of the front and back shall be lower than the outdoor unit.
  • Page 24: Install Outdoor Pipes And

    Install Outdoor Pipes and Cables Minimum 0.8 mm wall thickness interconnecting pipe to be used for R410A refrigerant type. The connecting pipe must followed up PIPING PROCEDURE.
  • Page 25: Connection Of Outdoor Pipes

    Connection of Outdoor Pipes and Cables Fig.35 Pipe Diameter of pipe Model Liquid pipe 6.35mm (1/4") YEFE18BYEXBHO-X Gas pipe 15.88mm (5/8") Liquid pipe 9.52mm (3/8") YEFE24BYEXBHO-X YEFE36BYEXBHO-X Gas pipe 15.88mm (5/8") YEFE36BYOXBHO-X Liquid pipe 9.52mm (3/8") YEFE48BYOXBHS-X YEFE55BYOXBHS-X Gas pipe 19.05mm (3/4") Fig.36...
  • Page 26 Note: Local wiring Indoor unit COMP N1 terminal block YFFE18BZEXBHORX YFFE24BZEXBHORX Power supply 1PH,220-240V~,50Hz Outdoor unit COMP N terminal block Indoor unit COMP N1 terminal block YFFE36BZEXBHORX Outdoor unit COMP terminal block Power supply:1PH,220-240V~,50Hz YFFE36BZOXBHORX Power supply YFFE48BZOXBHSRX 380-415V,3N~,50Hz YFFE55BZOXBHSRX EXTERNAL BOARD CONTROL BF N...
  • Page 27: Purge And Vacuum

    Purge and Vacuum Connect gauge and pump as figure, step1. operate vacuum pump. If the scale- moves of Open low-pressure gauge,and gause (Iow) reach vacuum condition in a moment, tighten joints. When pressure is 10 Pa ,stop pump and close joint, wait for 5 minutes, the pressure is not over 15 Pa.
  • Page 28: Test Operation

    Test Operation leakage - checked. this shooting exhaust CAUTION...
  • Page 29: Troubleshooting

    Troubleshooting PROBLEM CAUSE REMEDY Blown Fuse. Replace proper fuse. Unit does not Circuit breaker tripped. Reset the breaker. No electrical supply. Switch ON the power supply. run. Main power switched off. Power failure. Call power distributor. Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker.
  • Page 30 Troubleshooting Insufficient cooling The operation controller Air filter too dirty ? Any other heat Door or window left adjusted as required sources in the room? opened ? Proper temp Any obstacle exists at the air Sunlight direct into Too crowded in the inlet or outlet ? the room ? room ?
  • Page 31 Troubleshooting Outdoor Toubleshooting LED flash times of Trouble shooting Possible reasons ignal receiver board Protection of discharging After compressor starts up,if TD is over 120 , temp. too high or sensor 10 seconds later compressor stop. abnormal Phase sequence Power supply phase sequence wrong. abnormal High/Low pressure switch acts ormal.
  • Page 36 Doc. No.: YCE3F--150922...

Table of Contents