*1 The pipe sizes listed in columns A1 to A2 in this table correspond to the sizes for the models listed in the unit 1 and 2 columns. When the order of unit 1 and 2 is
changed, make sure to use the appropriate pipe size for the model.
B
Total capacity of indoor units
~30
C, D
Downstream unit model total High-pressure gas pipe Low-pressure gas pipe
~72
73~108
109~126
127~144
145~168
a, b, c, d, e, f
Model number
06, 08, 12, 15, 18
24, 27, 30, 36, 48, 54
72
96
g, h, i, j
Model number
36
48
54
72
96
Outdoor model
P144~P240
Precautions for outdoor unit combinations
Refer to [Fig. 9.2.2] for the positioning of twinning pipes.
[Fig. 9..]
<A> Make sure the pipes from the twinning pipe to the outdoor unit are sloped downwards (high-pressure side only).
A
D
<B> Slope of twinning pipes (high-pressure side only)
Make sure the slope of the twinning pipes are at an angle within ±15° to the ground.
If the slope exceeds the specified angle, the unit may be damaged.
E
Downward slope
A
BC controller
C
Slope of the twinning pipe is at an angle within ±15° to the ground