Installation
EDUS391300-F9
34
FXZQ-MVJU9
3P184443-12N
12
3P184443-12N
English
Not recommended but in case of emergency:
You must use a torque wrench but if one is not available, you may follow the installation method
described below.
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Pipe size
Further tightening angle
Recommended arm length of tool
ø1/4”
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#RRTQZKP
ø1/2”
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#RRTQZKP
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CAUTION
CAUTION TO BE TAKEN WHEN BRAZING REFRIGERANT PIPING
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refrigerant oil.
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the piping.
+HDTC\KPIKUFQPGYKVJQWVPKVTQIGPICUDNQYKPICNCTIGCOQWPVQHQZKFGƂNOFGXGNQRUKPUKFGVJGRKRKPI
and could cause system malfunction.
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When brazing the refrigerant piping, only begin brazing after having carried out nitrogen substitution
or while inserting nitrogen into the refrigerant piping. Once this is done, connect the indoor unit with a
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r
Nitrogen should be set to 2.9 psig with a pressure-reducing valve if brazing while inserting nitrogen into
the piping.
(Refer to Fig.15)
Refrigerant piping
Part to be
brazed
Taping
Nitrogen
Pressure-reducing valve
Nitrogen
Hand valve
Fig. 15
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(Refer to Fig. 16)
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(Refer to Fig. 16)
Summary of Contents for FXZQ-MVJU9
Page 1: ...EDUS391300 F9 FXZQ MVJU9 4 Way Ceiling Mounted Cassette Unit 2 2 ...
Page 2: ......
Page 10: ...Electric Characteristics EDUS391300 F9 8 FXZQ MVJU9 5 Electric Characteristics 4D080464 ...
Page 23: ...EDUS391300 F9 Sound Levels Reference FXZQ MVJU9 21 FXZQ15MVJU9 FXZQ18MVJU9 4D080467 4D080468 ...
Page 51: ......