Midea V6R Series User Manual

V6R VRF 50/60Hz
141
Part 3
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System Design and Installation
Figure 3-4.4: Permitted refrigerant piping lengths and level differences
Legend
g1, g2, g3, G1
Outdoor unit connection pipe
L, M
Outdoor unit branch joint
L1
Main pipe
L2 to L7
Indoor unit main pipe
A to C
Branch joint between main pipe and MS
a to n
Indoor unit auxiliary pipe
N1 to N8, N10
VRF indoor unit
N9, N11
AHUs
g1, g2, g3, G1
Outdoor unit connection pipe
Table 3-4.5: Summary of permitted refrigerant piping lengths and level differences
Permitted values
Piping in Figure 3-4.6
Piping lengths
Total piping length
≤ 1000 m
L1+ 2 x Ʃ{L2 to L7} + Ʃ{a to n}
Piping between farthest VRF
indoor unit and outdoor unit
or the last multi-outdoor
piping branch
2
Actual length
≤ 175 m
L1 + L2 + L4 + f + i
Equivalent length
≤ 200 m
Piping between farthest VRF indoor unit or AHU and
first branch joint
3
≤ 40 m
L2 + L4 + f + i
Piping between outdoor unit and outdoor branch joint
≤ 10 m
g1 ≤ 10 m; g2+G1 ≤ 10 m;
g3 + G1 ≤ 10 m
Level
differences
Largest level difference
between VRF indoor unit or
AHU and outdoor unit
4
Outdoor unit is above
≤ 50 m
Outdoor unit is below
≤ 40 m
Largest level difference between standard indoor
units or AHUs
≤ 30 m
Notes:
1. Refer to Requirement 1, above.
2. Refer to Requirement 2, above.
3. Refer to Requirement 3, above.
4. Refer to Requirement 4, above.

Midea V6R Series Specifications

General

Brand	Midea
Model	V6R Series
Category	Air Conditioner
Language	English