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8
PIPING MODEL SELECTION
8.1Allowable pipe length and height difference among indoor and outdoor units
Y type branch joint is adopted to connect indoor and outdoor units. Connecting method is shown in the
figure below.
Unit : m
L10: Length from the first branch to the farthest IDU;
L11: Length from the first branch to the nearest IDU;
The equivalent length of outdoor branch is 0.5m and the equivalent distance of indoor branch is 0.5m.
—
Length (m)
Remark
Total length (actual length) of fitting pipe
≤1,000
L1+L2+L3+L4+…+L9+a+b+…+i+j
Length of farthest fitting pipe(m)
Actual length
≤200
L1+L6+L7+L8+L9+j
Equivalent length
≤240
——
Equivalent length from the first branch to the furthest indoor unit*
≤120
L6+L7+L8+L9+j
Height difference between outdoor unit
and indoor unit H**
Outdoor unit at upper
≤100
——
Outdoor unit at lower
≤110
——
Height difference between indoor units
≤30
——
Содержание GMV6 VRF
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