MAXA 2600 W Manual Usuario página 36

■ Insert a flare nut into a pipe and flare the pipe.
2) Connect the indoor unit at first, then the outdoor unit
Bend the tubing in proper way. Do not harm to them.
 The bending angle should not exceed 90°.
 Do not bend the pipe more than three times.
 When connecting the flare nut, coat the flare both inside and outside with either oil or ester oil and initially tighten by hand
3 or 4 turns before tightening firmly.
 Be sure to use a spanner and torque wrench together when connecting or disconnecting pipes to/from the unit.
Too large torque will harm the bell mouthing and too small will cause leakage. Please determine the
!
torque according to table below.
CAUTION
After the connecting work is finished, be sure to check that there is no gas leak.
5.7.3. Air purge and test operation
■ How to expel the air with a vacuum pump
Stop valve operation introduction
a) Opening stop valve
1. Remove the cap and turn the valve counter clock-wise with the hexagon wrench.
2. Turn it until the shaft stops. Do not apply excessive force to the stop valve. Doing so may break the valve body, as the
valve is not a backseat type. Always use the special tool.
3. Make sure to tighten the cap securely.
35
Dimensions A (mm)
Outer diameter
Max.
Ф6.4
Ф9.5
Ф12.7
Ф16
Bend the pipe with thumb
min-radius 100mm
Outer diameter
Ф6.4
Ф9.5
Ф12.7
Ф16
Min.
1.3 0.7
1.6 1.0
1.8 1.0
2 1
Tightening torque Nm
15 ~ 16 Nm (153 ~ 163 kgf cm)
25 ~ 26 Nm (255 ~ 265 kgf cm)
35 ~ 36 Nm (357 ~ 367 kgf cm)
45 ~ 47 Nm (459 ~ 480 kgf cm)
Flaring
9 0 ° ± 4
A
R 0 .4 ~ 0 .8