Flexible pipework

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Category:

  • Allowable pipework length:
    • L1:
      • Maximum pipe run: 
        • Actual length = 120 m (MAX LENGTH)
        • Equivalent length = 140 m (MAX LENGTH)
    • L2-L3:
      • Difference between maximum length and minimum length from the first distribution joint = 40 m (MAX LENGTH) 
    • L3 L4 Ln: 
      • Maximum length of each distribution joint= 30 m (Max length)
    • L1+L3+L4: 
      • Maximum total pipe run length = 150 m (Max length)
  • Allowable height difference: 
    • H1:
      • When outdoor unit installed higher = 50 m (Max length)
      • When outdoor unit installer lower = 40 m (Max length)
    • H2:
      • Maximum difference between indoor units = 15 m (Max length)