Midea MV6-R450WV2GN1 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 MV6-R450WV2GN1 Specifications

General

Brand	Midea
Model	MV6-R450WV2GN1
Category	Air Conditioner
Language	English