Appendix
EDUS391502-F7
7
FXLQ-M / FXNQ-M
3P086154-3R
7
3P086154-3R
English
CAUTION
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CAUTION TO BE TAKEN WHEN BRAZING REFRIGER-
ANT PIPING
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-
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damage the refrigerant oil.)
DANGER
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injury or death. Only use nitrogen gas.
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Before brazing local refrigerant piping, nitrogen gas shall
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If brazing is done without nitrogen gas blowing, a large
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cause system malfunction.
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When brazing the refrigerant piping, only begin brazing
after having carried out nitrogen substitution or while insert-
ing nitrogen into the refrigerant piping. Once this is done,
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-
tion.
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Nitrogen should be set to 2.9 psi (0.02 MPa) with a pres-
sure-reducing valve if brazing while inserting nitrogen into
the piping.
Refrigerant
piping
Part to be
brazed
Taping
Pressure-
reducing
valve
Hands valve
Nitrogen
Nitrogen
NOTE
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Refer to Table 2 for tightening torque.
Table 2
Piping
size
[in. (mm)]
Tightening
torque
[lbf·ft. (N·m)]
Dimension for
RTQEGUUKPIƃCTG
A [in. (mm)]
Flare shape
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1/4
(6.4)
10.4 – 12.7
(15.7±1.5)
0.342 – 0.358
(8.9±0.2)
R0.016-0.031
90°±2°
A
45°±2°
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3/8
(9.5)
24.1 – 29.4
(36.3±3.6)
0.504 – 0.520
(13.0±0.2)
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1/2
(12.7)
36.5 – 44.5
(54.9±5.4)
0.638 – 0.654
(16.4±0.2)
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5/8
(15.9)
45.6 – 55.6
(68.6±6.8)
0.760 – 0.776
(19.5±0.2)
Not recommendable but in case of emergency
You must use a torque wrench but if you are obliged to
install the unit without a torque wrench, you may follow at
the installation method mentioned below.
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there is no gas leak.
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-
ner, there is a point where the tightening torque suddenly
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the angle shown below:
Table 3
Piping size
[in. (mm)]
Tightening
angle
Recommended arm length of
tool used [in. (mm)]
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1/4 (6.4)
s
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3/8 (9.5)
s
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1/2 (12.7)
s
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5/8 (15.9)
s
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7. DRAIN PIPING WORK
Install the drain pipe as shown below. Improperly installed
piping could lead to leaks and eventually wet furniture
and belongings.
(1)
Carry out the drain piping.
3/4 drain pipe
2 (50) or more
Drip pan
Metal clamp
(accessory) (2)
Drain hose
(accessory) (1)
Cut to suitable length
[length : in. (mm)]
Connect the drain
hose (1) using the
attached hose and
parts, as shown in
the right drawing.
Piping process
inside unit
Tilt
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If converging multiple drain pipes, install according to the
procedure shown below.
Slope downwards at a gradient
of at least 1/100
Select converging drain pipes whose gauge is suitable for the
operating capacity of the unit.
(2)
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smoothly.
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(3)
Be sure to insulate all indoor pipes.
Summary of Contents for FXLQ-M Series
Page 1: ...EDUS391502 F7 FXLQ M FXNQ M Floor Standing Type Concealed Floor Standing Type...
Page 2: ......
Page 11: ...EDUS391502 F7 Dimensions FXLQ M FXNQ M 9 3D045642A Unit in mm FXLQ12MVJU9...
Page 12: ...Dimensions EDUS391502 F7 10 FXLQ M FXNQ M 3D045643A Unit in mm FXLQ18MVJU9 FXLQ24MVJU9...
Page 13: ...EDUS391502 F7 Dimensions FXLQ M FXNQ M 11 3 2 FXNQ 3D090733 Unit in mm FXNQ07MVJU9 FXNQ09MVJU9...
Page 14: ...Dimensions EDUS391502 F7 12 FXLQ M FXNQ M 3D045650A Unit in mm FXNQ12MVJU9...
Page 15: ...EDUS391502 F7 Dimensions FXLQ M FXNQ M 13 3D045651A Unit in mm FXNQ18MVJU9 FXNQ24MVJU9...
Page 22: ...Sound Levels Reference Data EDUS391502 F7 20 FXLQ M FXNQ M FXLQ12MVJU 4D052501...
Page 23: ...EDUS391502 F7 Sound Levels Reference Data FXLQ M FXNQ M 21 FXLQ18MVJU 4D052502...
Page 24: ...Sound Levels Reference Data EDUS391502 F7 22 FXLQ M FXNQ M FXLQ24MVJU 4D052503...
Page 26: ...Sound Levels Reference Data EDUS391502 F7 24 FXLQ M FXNQ M FXNQ12MVJU 4D052504...
Page 27: ...EDUS391502 F7 Sound Levels Reference Data FXLQ M FXNQ M 25 FXNQ18MVJU 4D052505...
Page 28: ...Sound Levels Reference Data EDUS391502 F7 26 FXLQ M FXNQ M FXNQ24MVJU 4D052506...
Page 31: ...EDUS391502 F7 Appendix FXLQ M FXNQ M i Appendix 1 Installation Manual 1...
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