EDUS39-800-F8
Installation
BSVQ-P
17
Example of connection 1: When 1 indoor unit is connected downstream from the BS unit
Example of connection 2: When there is a branch downstream from the BS unit
Table 1 Indoor unit total capacity and pipe size
Table 2 Indoor unit connection pipe size
* The BS unit downstream connection pipe sizes are shown below. If the pipe diameter differs from that of the
indoor unit connection pipe size selected from
Table 2
, follow the instructions in “6-5 PIPING CONNEC-
TION” and use the included pipe to make the connection.
Table 3 BS unit connection pipe size
(in.)
Total capacity of indoor units
(Q)
Piping size (outer diameter)
Upstream
Downstream
Suction gas pipe
HP/LP gas pipe
Liquid pipe
Gas pipe
Liquid pipe
Q < 54
φ
5/8
φ
1/2
φ
3/
8
φ
5/8
φ
3
/8
54
≤
Q < 60
φ
3/4
φ
5/8
φ
3/4
(in.)
Capacity type of indoor units
Piping size (outer diameter)
Gas pipe
Liquid pipe
07 · 09 · 12 · 18
φ
1/2
φ
1/4
24 · 30 · 36 · 48
φ
5/8
φ
3/8
(in.)
BS unit
Piping size (outer diameter)
Gas pipe
Liquid pipe
BSVQ36P
φ
5/8
φ
3/8
BSVQ60P
To refrigerant branch
kit or outside unit
*
Suction gas pipe
<Upstream>
<Downstream>
Gas pipe
Indoor unit
Liquid pipe
HP/LP gas pipe
Liquid pipe
Determine using
Table 1
based
on the total capacity of the indoor
units connected downstream.
Select from
Table 2
depending
on the capacity type of the
indoor unit.
BS
unit
Indoor unit
Indoor unit
Indoor unit
Gas pipe
Liquid pipe
Determine using
Table 1
based
on the total capacity of the indoor
units connected downstream.
For information on selecting the size of piping between
the refrigerant branch kits and between a refrigerant
branch kit and the indoor unit, refer to the Installation
Manual that came with the outside unit or Engineering
data book.
To refrigerant branch
kit or outside unit
Suction gas pipe
HP/LP gas pipe
Liquid pipe
BS
unit
Refrigerant branch kit
<Upstream>
<Downstream>