3
12
• VRV Systems • RXYSCQ-TV1
21
• Outdoor Unit • RXYSCQ-TV1
12
Installation
12 - 2 Refrigerant Pipe Selection
RXYSCQ-TV1
RXYSQ-TV1
RXYSQ-TY1
Longest pipe
After first branch
Indoor-to-outdoor
Indoor-to-indoor
(A+[B,D+E,H])
(B,D+E,H)
(H1)
(H2)
Actual / (Equivalent)
Actual
Outdoor above indoor /
(indoor above outdoor)
Standard
RXYSCQ4~5TMV1B
70/(90)m
40m
30/(30)m
15m
300m
RXYSQ4~6T7(V/Y)1B
120/(150)m
40m
50/(40)m
15m
300m
RXYSQ8TMY1B
100/(130)m
40m
50/(40)m
15m
300m
RXYSQ10~12TMY1B
120/(150)m
40m
50/(40)m
15m
300m
RXYSCQ4~5TMV1B
35/(45)m
40m
30/(30)m
15m
140m
RXYSQ4~6T7(V/Y)1B
65/(85)m
40m
30/(30)m
15m
140m
RXYSQ8TMY1B
80/(100)m
40m
30/(30)m
15m
140m
RXYSQ10~12TMY1B
80/(100)m
40m
30/(30)m
15m
140m
Pair
50/(55)m
-
40/(40)m
-
-
Multi
50/(55)m
40m
40/(40)m
15m
300m
Mix
50/(55)m
40m
40/(40)m
15m
300m
Notes
1. The allowable minimum length is ·5· m.
2. Multiple air handling units (·AHU·)(·EKEXV· + ·EKEQ· kits).
3. Mix of air handling units (·AHU·) and ·VRV DX· indoor units.
Air handling unit (·AHU·)
connection
For the reference drawing, see page ·2/3·.
Maximum piping length
Maximum height difference
Total piping length
·VRV DX· indoor units only
·RA· connection
(2)
(1)
(3)
(1)
(1)
3D097984
RXYSCQ-TV1
RXYSQ-TV1
RXYSQ-TY1
Notes
1.
Schematic indication
Illustrations may differ from the actual appearance of the unit.
2.
This is only to illustrate piping length limitations.
Refer to combination table ·3D097983· for details about the allowed combinations.
·BP· to ·RA·
·EXV· to ·AHU·
·BP· to ·RA·
·EXV· to ·AHU·
(E)
(J)
(H3)
(H4)
2~15m
-
5m
-
Pair
-
ч
5m
-
5m
Multi
-
ч
5m
-
5m
Connection
Mix
-
ч
5m
-
5m
Notes
1.
Multiple air handling units (·AHU·)(·EKEXV· + ·EKEQ· kits).
2.
Mix of air handling units (·AHU·) and ·VRV DX· indoor units.
Allowed piping length
Maximum height difference
·RA· connection
Air handling unit (AHU)
A
B
H2
C
H1
D
RA
E
H3
RA
BP
BP
EXV
EXV
H
H4
J
H2
Air handling unit (AHU)
Air handling unit (AHU)
VRV indoor unit
VRV indoor unit
(2)
(1)
Outdoor unit
3D097984
