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E N G L I S H

INSTALLATION MANUAL

DIGITAL SCROLL SERIES
DUCT TYPE INDOOR UNIT
For correct installation, read this manual before starting installation.
Only trained and qualified service personnel should install, repair or service air conditioning equipment. Users
should not install the air conditioner by themselves.
All pictures are only sketches. If there is any difference between pictures in this manual and the actual shape
of the air conditioner you purchased, the actual shape shall prevail.
E-II-YDDN-0907
Models:
YDDN-22C(A/B)15A
YDDN-28C(A/B)15A
YDDN-36C(A/B)15A
YDDN-45C(A/B)15A
YDDN-56C(A/B)15A
YDDN-71C(A/B)15A
YDDN-80C(A/B)15A
YDDN-90C(A/B)15A
YDDN-112C(A/B)15A
YDDN-140C(A/B)15A

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Summary of Contents for York YDDN-22C(A/B)15A

  • Page 1: Installation Manual

    E-II-YDDN-0907 E N G L I S H INSTALLATION MANUAL DIGITAL SCROLL SERIES DUCT TYPE INDOOR UNIT Models: YDDN-22C(A/B)15A YDDN-28C(A/B)15A YDDN-36C(A/B)15A YDDN-45C(A/B)15A YDDN-56C(A/B)15A YDDN-71C(A/B)15A YDDN-80C(A/B)15A YDDN-90C(A/B)15A YDDN-112C(A/B)15A YDDN-140C(A/B)15A For correct installation, read this manual before starting installation. Only trained and qualified service personnel should install, repair or service air conditioning equipment. Users should not install the air conditioner by themselves.
  • Page 6: Duct Connection

    Model(YDS) 22~36C(A/B)15A 45~80C(A/B)15A 90~140C(A/B)15A Duct Connection The length of the duct should according to the static pressure outside the unit 39.2Pa (max. 98Pa Panel installatio n 1. Unload the inner frame. Slide the knob, release the buckle from the outside frame hole, then unload the inner frame.
  • Page 7: Refrigerant Pipe Installation

    5. Fix the main body and the outside frame with the x board of waist-shape hole (in two places). Tighten the other side of the board with screw to the outside frame. Bend the top of the broken end. Note : when hanging up the outside frame with the board of waist-shaped hole and the belt, stick the outside frame tightly to the ceiling and...
  • Page 9: Indoor Unit Power Supply

    Wiring Speci cations Indoor Unit Power Controlling Wire Ground Items Indoor/Outdoor Unit Wire Manualr Switch Power Cord Signal Wire Power Model Capacity Fuse Below 20m Below 50m Quantity Diameter Single Phase Twisted-pair Twisted-pair Single- Not longer than 1500m YDDN-22 ~140C(A/B)15A Wire 220-240V~ 1.0mm...
  • Page 11: Troubleshooting

    TROUBLESHOOTING No. Typ e L E D L amp flas h R emarks C ontents R un lamp flashes After the malfunctions The e vaporator s ensor Malfun- check point is ab nomal , at 2.5Hz. disappear, it restores ction or ro om temp.se nsor is automatically.
  • Page 12 DE - COMMISSIONING DISMANTLING & DISPOSAL This product contains refrigerant under pressure, rotating parts, and electrical connections which may be a danger and cause injury! All work must only be carried out by competent persons using suitable protective clothing and safety precautions. and may start without warning 1.

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