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Haier MRV II AV08NMVERA Installation Manual

R410a heat pump 50hz
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  Summary of Contents for Haier MRV II AV08NMVERA

  • Page 19 a. Allowable pipe length and height difference Single way total pipe length 300m Single way max. pipe length Max. 150m Main pipe between outdoor to 1 branch Max. 90m Pipe length between outdoors Less than 10m to 1 branch pipe Height difference between indoor and Outdoor is upper Max.
  • Page 20 outdoor1 outdoor 2 outdoor 3 outdoor1 outdoor3 outdoor2 Installation at high difference: outdoor1 outdoor2 outdoor3...
  • Page 21 outdoor3 outdoor2 outdoor1 Oil trap (upright projecting pipe, 200mm high), as the figure: outdoor2 outdoor3 outdoor1 Below is forbidden (compressor oil will flow into the lowest outdoor). outdoor3 outdoor2 outdoor1...
  • Page 22 c. Allowable pipe length and height difference outdoor1 when the distance between outdoors is over 2m, the oil trap must be set (upright projecting pipe, 200mm high) outdoor2 outdoor3 below 2m below 2m over 200mm over 200mm L1 < 10m L2+L3 <...
  • Page 23 (2) Pipe specification: outdoor gather pipe the first branch a. Pipe “a” diameter (between indoor and branch pipe) (depends on indoor pipe, for wall mounted unit, please refer to its specification) Indoor(×100W) Gas pipe Liquid pipe 22~28 φ9.52 φ6.35 36~56 φ12.7 φ6.35 71~140...
  • Page 24 61.5KW φ28.58 φ15.88 φ31.8 φ15.88 68.0KW φ28.58 φ15.88 φ31.8 φ15.88 73.0KW φ31.8 φ19.05 φ38.1 φ19.05 80.0KW φ31.8 φ19.05 φ38.1 φ19.05 85.0 KW φ31.8 φ19.05 φ38.1 φ19.05 90.0 KW φ31.8 φ19.05 φ38.1 φ19.05 96.0 KW φ31.8 φ19.05 φ38.1 φ19.05 101.0KW φ38.1 φ19.05 φ38.1 φ22.22...
  • Page 30 (1) Outdoor pipe dimension 18~32HP 34~48HP Liquid pipe Liquid pipe Gas pipe Gas pipe The pipe “a, b, c, d” should be confirmed as to the below table. Former outdoor capacity Liquid pipe (a, c) Gas pipe (b, d) ~68.0KW φ15.88 φ28.58 69.0KW~96.0KW...
  • Page 61 506A...
  • Page 86 6.8 Wall mounted unit installation Please read these "Safety Precautions" first then accurately execute the installation work. The precautionary points indicated herein are divided under two headings: WARNING and CAUTION those points which are related to the strong possibility of an installation done in error resulting in death or serious injury are listed in the WARNING section.
  • Page 87 PRECAUTION Execute proper grounding. Do not connect the earth wire to a gas pipe, water pipe, lightening rod, or a telephone ground wire. Improper placement of earth wires can result in electric shock. An electric leakage breaker must be installed, otherwise electric shock or other accidents would occur.
  • Page 89 ¡`...
  • Page 109 AV08~16NMVERA and its indoor units...
  • Page 110 AV18~32NMVERA and its indoor units...
  • Page 111 AV34~48NMVERA and indoor units...
  • Page 112 5. Wiring connection among units...