Haier 1UH071N1ERG Installation Manual

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SPLIT SYSTEM AIR CONDITIONER
INSTALLATION MANUAL
Contents
Keep this operation manual for future reference.

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  • Page 1 SPLIT SYSTEM AIR CONDITIONER INSTALLATION MANUAL Contents Keep this operation manual for future reference.
  • Page 3: Safety Considerations

    1. Definitions Service company: 1.1. Meaning of warnings and symbols Applicable legislation: DANGER Accessories: WARNING Optional equipment: Field supply: CAUTION NOTICE 2. Safety considerations INFORMATION 1.2. Meaning of used terms Installation manual: Operation manual: Maintenance instructions: DANGER: ELECTRICAL SHOCK Dealer: Installer User:...
  • Page 4 DANGER: DO NOT TOUCH PIPING AND INTERNAL PARTS Warning: Caution:...
  • Page 5: Before Installation

    3.3. Precautions for R410A Provide a logbook 3.4. Installation 3. Before installation 3.1. Scope of this manual 3.2. Precautions CAUTION NOTICE: Insulation resistance of the compressor...
  • Page 6: Selecting Installation Site

    3.5. Accessories NOTICE 4. Selecting installation site 4.1. General WARNING 4.2. General NOTICE...
  • Page 7: Precautions On Installation

    5. Precautions on installation NOTICE 5.2.Selection of installation location of outdoor 5.1. Foundation work...
  • Page 8: Refrigerant Pipe Size And Allowable Pipe Length

    5.3. Drain pipe disposal Refrigerant pipe size and allowable pipe length DANGER INFORMATION NOTICE NOTICE...
  • Page 9 6.1. Necessary Tools and Materials...
  • Page 10: Piping Materials

    6.2. Piping Materials Types of Copper Pipes (Reference) Piping Materials/Radial Thickness Flare Machining (type-O and OL only) Flare Nut...
  • Page 11: Refrigerant Piping

    NOTICE 7. Refrigerant piping 7.1. Piping diagram for single split 7.2. Piping size for single split 7.3. Limitations for one way piping length and vertical height difference for single split...
  • Page 12 Precautions for refrigerant piping 7.4. Piping connection method 7.5. Preventing foreign objects from entering 7.6. Preventing foreign objects from entering...
  • Page 13: Leak Test And Vacuum Drying

    NOTICE NOTICE 8.2. Leak test DANGER 7.7. Cautions for necessity of a trap NOTICE 8. Leak test and vacuum drying 8.3. Vacuum drying 8.1. General guidelines...
  • Page 14: Charging Refrigerant

    INFORMATION 9. Charging refrigerant 9.1. Important information regarding the refrigerant used 9.3. Complete recharging 9.2. Precautions and general guidelines NOTICE CAUTION WARNING WARNING DANGER...
  • Page 15: Electrical Wiring Work

    9.4. Total charging weight of the refrigerant (after a leak, etc.) WARNING 11. Electrical wiring work WARNING 10. Pump down operation DANGER: HIGH VOLTAGE INFORMATION...
  • Page 16 11.2. Connecting power supply and inter-unit NOTICE wiring 11.1. Precautions on electrical wiring work DANGER CAUTION...
  • Page 17: Test Operation

    12.1. Pre-run checks 11.3. Specifications of standard wiring components CAUTION 12.2. Precautions regarding test-runs 12. Test operation DANGER INFORMATION...
  • Page 18 12.3. Refrigerant pipe size for maix split system...
  • Page 19 12.4. Specification of refrigerant charge for single split and maxi split.
  • Page 21 12.5 Before Installing (Relocating) the Unit or Performing Electric Work CAUTION Before the Test Run CAUTION...
  • Page 22 12.6. Failure diagnosis...