VC Pro VRF 50/60Hz
156
Midea VC Pro Series Engineering Data Book
Table 3-4.5: Main pipe
1
(L
1
) and first indoor branch joint (A)
Total capacity of
outdoor units
Equivalent length of all liquid pipes < 90m
Equivalent length of all liquid pipes ≥ 90m
Notes:
1. The main pipe (L
1
) and first indoor branch joint (A) should be sized according to whichever of Tables 3-4.4 and 3-4.5 indicates the larger size.
Figure 3-4.4: Outdoor connection pipes
Table 3-4.6: Outdoor connection pipes (g1 to g3, G
1
)
Table 3-4.7: Outdoor branch joint kits (L to M)
Table 3-4.8: Indoor auxiliary pipes (a to q)
Capacity of indoor unit
(kW)
Notes:
1. An indoor auxiliary pipe should not be larger than the indoor main pipe immediately upstream of it. For indoor auxiliary
pipes greater than 10m in length with indoor units of capacity great than or equal to 5.6kW, the gas and liquid side pipes
should each either be sized according to this table, or else be the same size as the indoor main pipe immediately upstream,
whichever is smaller.
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