Midea MVi-200WV2RN1, Руководство пользователя

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-I
V6-i VRF 50Hz
83
P
art 3
- S
ys
tem D
esign
an
d Ins
tal
la
tion
Figure 3-3.2: Permitted refrigerant piping lengths and level differences
Table 3-3.2: Summary of permitted refrigerant piping lengths and level differences
Permitted values Piping in Figure 3-3.2
Pip
in
g leng
ths
Total piping length
1
≤ 150m L1+L2+L3+L4+L5+a+b+c+d+e+f
Piping between farthest indoor unit
and outdoor unit
Actual length ≤ 100m
L1+L3+L5+f
Equivalent length ≤ 110m
Piping between farthest indoor unit and first indoor branch joint
3
≤ 40m L3+L5+f
Pipe Length between the nearest branch and the indoor unit ≤15m a,b,c,d,e,f
Le
ve
l
d
iff
e
re
n
ce
s Largest level difference between
indoor unit and outdoor unit
4
Outdoor unit is above ≤ 50m
-
Outdoor unit is below ≤ 40m -
Largest level difference between indoor units
5
≤15m -
Notes:
1. Refer to Requirement 1, above.
2. Refer to Requirement 2, above.
3. Refer to Requirement 3, above.
4. Refer to Requirement 5, above.
5. Refer to Requirement 6, above.
When the outdoor unit connects to one indoor unit, the piping length and level difference requirements that apply are
summarized in Table 3-3.3.
Table 3-3.3: Summary of permitted refrigerant piping lengths and level differences connects to one indoor unit
The max height drop(m)
The length of refrigerant pipe(m) The number of bends
Outdoor unit is above Outdoor unit is below
25 20 50 ≤ 10
Indoor unit
Outdoor unit
L
e
ve
l d
if
fe
re
n
ce
b
e
twe
e
n
i
n
d
o
o
r
u
n
it
a
n
d
o
u
td
o
o
r
u
n
it
Piping between farthest indoor unit and
outdoor unit
Indoor auxiliary pipe
Piping between farthest indoor unit and
first indoor branch join
L
e
ve
l
d
iffe
re
n
ce
b
e
twe
e
n
in
d
o
o
r u
n
its
The first line Branch Pipe
a
N
1
3
N
5
N
6
N
2
N
4
N
A
B
D
E
C
b
c
e
f
d
1
L
2
L
5
L
3
L
4
L
Legend
L1 Main pipe
L2 to L5 Indoor main pipes
a to f Indoor auxiliary pipes
A to E Indoor branch joints