2) In case of installing multiple units in lateral connection per row. 
Unit A(mm) B1(mm) B2(mm) C(mm)
4~10kW
≥3000 ≥2000 ≥150 ≥600
<1/2 H
B2
A
B1
C
H
≥500mm
≥500mm
<1/2 H
B2
A
B1
C
H
Unit
A(mm) B1(mm) B2(mm) C(mm)
4~10kW
≥3000 ≥2000 ≥300 ≥600
11
7  INSTALL THE CONNECTING PIPE
Check whether  the differance in  height between the  indoor unit  and 
outdoor  unit,  the  length  of  refrigerant  pipe,  and  the  number  of  the 
bends meet the following requirements:
7.1 Refrigerant piping
4~10kW
1
2
gas
liqulid
Fig.7-1
Fig: 6-7
Fig: 6-8