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Tadiran Telecom TAD2U18MOU Installation Manual

Ductless multi zone with highwall indoor unit

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Installation Manual
Ductless Multi Zone with Highwall Indoor Unit
Design may vary by model number.

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Summary of Contents for Tadiran Telecom TAD2U18MOU

  • Page 1 Installation Manual Ductless Multi Zone with Highwall Indoor Unit Design may vary by model number.
  • Page 2: Table Of Contents

    ....................18 OPERATING RANGE The following information lists the operating range specific to each model. TAD2U18MOU / TAD3U24MOU / TAD4U36MOU Cooling: 14F -115F Heating: 5F-75F NOTES: •...
  • Page 3: Important Safety Information

    IMPORTANT SAFETY INFORMATION WARNING For your safety, the information in this manual must be followed to minimize the risk of fire, electric shock, or personal injury. • Use this equipment only for its intended purpose as For any service which requires entry into the described in this manual.
  • Page 4 IMPORTANT SAFETY INFORMATION CAUTION Use pipes that have clean external and intermal sides without any contamination which may cause trouble It is highly recommended that you do not open or close during use, such an sulphur, oxide, dust, cutting waste, the stop valves when the outdoor temperature is below oil, or water.
  • Page 5: Installation Instructions

    INSTALLATION INSTRUCTIONS Required Tools for Installation • 14/4 AWG stranded wire • Micron gauge • 5/8” (16mm), 7/8” (22mm), 1” (25mm) or Adjustable • Mini-split adapter (5/16”F to 1/4”M) Wrench • Nitrogen* • R-410A Refrigerant* • Pipe cutter • Adhesive tape* •...
  • Page 6 Unit D Unit C Unit B Unit A Model Rated No. of Total Capacity Zones Indoor (BTUh) Capacity Unit B Unit A TAD2U18MOU Unit C Unit B Unit A *14K *16K *19K *25K *18K THREE *21K TAD4U36MOU *27K *24K *30K...
  • Page 7 INSTALLATION INSTRUCTIONS INDOOR CLEARANCES (Appearance may vary) This picture is for reference only. Your product may look different. More than 4 inches Arrangement of piping directions More than 4 inches Rear left Left Rear right Right Below Wrap the insulation pipe with the �nishing tape from the Condensate piping bottom to top.
  • Page 8: Step 1

    INSTALLATION INSTRUCTIONS Step 1 - Preparation Outdoor Unit Clearances NOTE: If there is danger that the unit will fall or turn over, NOTE: Install the outdoor unit in a level position. Failure fix the unit by inserting bolts, wire or other foundation to do so may result in water leakage or accumulation.
  • Page 9 INSTALLATION INSTRUCTIONS Step 1 - Preparation Cont. NOTES: appropriate measures to protect it from those elements. To ensure a stable operating, install inlet and outlet ducts. • OD unit cannot hang from a ceiling or be stacked. • Make sure the outdoor unit is installed level and is stable. •...
  • Page 10: Step 2

    INSTALLATION INSTRUCTIONS Step 2 - Installation of the Indoor Unit (Cont.) Outdoor unit C. Install the Tubing Indoor unit Sugested Colors • Always use new clean copper tubing. Never reuse =White tubing if replacing an existing system. =Black • Measure and mark the location where the piping hole =Red is to be drilled.
  • Page 11 INSTALLATION INSTRUCTIONS Wall Brackets 2.795in (71mm) 1.84in (46mm) Ø 2 1/4in (57mm) Ø 2 1/4in (57mm) 0.472in (12mm) 0.236in (6mm) 40 N 35 N 4.882in (124mm) 4.961in (126 mm) Ø 2 1/4in (57mm) Ø 2 1/4in (57mm) 1.417in (36mm) 1.417in (36mm) 70 N 50 N 5.906in (150mm)
  • Page 12: Step 3

    INSTALLATION INSTRUCTIONS Step 3 - Installation of the Outdoor Unit A. Prepare the Outdoor Unit for Installation B Attaching Drain Elbow to Outdoor Unit • Remove all packaging. • If required, attach the supplied drain elbow to • Place supplied vibration pads onto outdoor the outdoor unit.
  • Page 13 Indoor unit D Sugested Colors Control Wiring =White 4 Wire - 14 AWG =Black Stranded =Red =Green Outdoor unit Models: TAD2U18MOU Indoor unit 1 Indoor unit 2 Sugested Colors =White =Black =Red =Green Control Wiring 4 Wire - 14 AWG Stranded...
  • Page 14 Flashing: unit connected wrong, need to change the wiring manually between 2 and 3 Only one LED flashing Connections Cautions Model TAD4U36MOU TAD3U24MOU TAD2U18MOU Connection priority between indoor and service valve higher from down to up. When there are 2 indoors, the prior...
  • Page 15 INSTALLATION INSTRUCTIONS Step 3 - Installation of the Outdoor Unit (Cont.) E. Install Copper Lineset F. Leak Test • The standard line set length is 25 feet. If FlexFit multi-zone models 2U18MS and 3U24MS do not have master service valves. Perform the following the installation length is different, adjust the steps for EACH line set.
  • Page 16: Step 4

    INSTALLATION INSTRUCTIONS Step 3 - Installation of the Outdoor Unit (Cont.) H. Refrigerant Charging starting at the bottom of the bundle with an overlap type wrap until you reach the piping hole. • Add any additional refrigerant after evacuation using a •...

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Tad4u36mouTad3u24mou