14.3.2  Bolt pitch 
 
For the value of A,B and D, please refer to 
the dimension part. 
 
14.3.3  Install the Unit 
Since the gravity center of the unit is not at its 
physical  center,  so  please  be  careful  when 
lifting it with a sling. 
Never  hold  the  inlet  of  the  outdoor  unit  to 
prevent it from deforming. 
Do  not  touch  the  fan  with  hands  or  other 
objects. 
Do not lean it more than 45,  and  do  not  lay  it 
sidelong. 
Make  concrete  foundation  according  to  the 
specifications of the outdoor units. 
Fasten  the  feet  of  this  unit  with  bolts firmly  to 
prevent it from collapsing in case of earthquake 
or strong wind. 
 
 
 
 
14.4 Refrigerant pipe installation 
14.4.1  Maximum  pipe  length  and  height 
drop 
Considering  the  allowable  pipe  length  and 
height  drop  to  decide  the  installation  position. 
Make  sure  the  distance  and  height  drop 
between indoor and outdoor unit not exceeded 
the date in the following table. 
 
14.4.2  The procedure of connecting pipes 
1.  Choose  the  pipe  size  according  to  the 
specification table. 
2.  Confirm the cross way of the pipes. 
3.  Measure the necessary pipe length. 
4.  Cut the selected pipe with pipe cutter 
  Make the section flat and smooth. 
 
 
5.    Insulate the copper pipe 
  Before  test  operation,  the  joint  parts 
should not be heat insulated. 
6.  Flare the pipe 
  Insert a flare nut into the pipe before flaring 
the pipe 
  According to the following table to flare the 
pipe