Multi Variable Air Conditioners Fresh Air Series Indoor Unit
12
Note:
①
Before installation, please finish the preparation work of all pipes (connection pipe, drain pipe)
and wires (wired controller wire, connection wire of IDU and ODU) that need to be connected
with the indoor unit.
②
Punch holes on the ceiling (air return opening or air outlet). Ceiling may have to
bestrengthened to make it level and to prevent it from vibration. You may consult user or
constructor for details.
③
If the ceiling is not strong enough, you can install a beam bracket in a corner and secure the
unit on the beam.
4.1.4 Horizontal Alignment
After the indoor unit is installed, remember to check the horizontal status of the whole unit. It should
be horizontal from front to back and slant 1% from left to right, following the drainage direction, as shown
in Fig 4.1.7.
Fig 4.1.7
4.2 Pipe Connection
(1) Direct the flaring of copper pipe to the center of screwed connection and then screw the flaring
nut tight as shown in Fig 4.2.1.
(2) Use a torque wrench to tighten up the flaring nut until the wrench gives out a click sound.
Fig 4.2.1
Pipe diameter (mm)
Torque (N·m)
Ф
6.35
15~30
Ф
9.52
35~40
Ф
12.7
45~50
Ф
15.9
60~65
(3) The pipe should not be bent too much or it may crack. Use a pipe bender when bending the
pipe.
Содержание GMV-NDX125P/A-T
Страница 26: ...Multi Variable Air Conditioners Fresh Air Series Indoor Unit 22 Fig 5 5 1...
Страница 30: ......