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air
fix with screws
duct
air
special discharging duct
Wuggest the duct with against4dew and noise absorbing material5
/purchased locally0
Kinish duct installation before ceiling decoration5
Iuct must be heat insulated5
Wpecial discharging duct should be in the place where air can
be distributed reasonably5
Hhecking hole must be pre4set in the ceiling for easy checking
and maintenance5
/870 Nmproper installation examples
[ithout air return duct3 take the ceiling inside as the duct5 Nt will cause large humidity for
nonregular air3 strong wind3 sunshine3 etc5
[ater will drop from the outside of duct5 Kor the new building with concrete3 the humidity will be
great3 even through not taking the ceiling inside as the duct3 so the duct should be with heat
insulation5
Jxceed the unit operation range /e5g5A indoor IG :<degree3 [G 9;degree03 which will result in
compressor overload5
Fffected by the fan3 strong wind and air direction3 etc3 when the unit air velocity exceeds the
allowable limitation3 the heat exchanger discharging water will overflow to cause water leakage5
fan
improper example
F5 Fllowable pipe length and drop
Xhese parameters differ from the outdoor unit5 Wee the instruction manual attached with the outdoor
unit for details5
Vigid TZH pipe ZT:9mm /exterior diameter0
Koamed TJ with thickness above > mm
Tipe
Nnsulation
G5 Qaterial of pipe and heat insulation
Nn order to avoid causing dew3 heat
insulation should be dealt with at gas
side and liquid side5
/c0 Iuct must be heat insulated to avoid causing dew5
/@0Hautions for air return duct and discharging duct installation