• BS Units • BSV4Q100P7V1
1
5
• VRV Systems • Outdoor Units
6
5
Wiring diagram
5 - 1 Wiring diagram
BSV4Q100P
2TW30526-1A
NOTES
1
This wiring diagram applies to the BSV4Q.
2
When using the cool/heat selector (optional accessory), connect it to terminals A,B and C on X2M (each individual el compo box).
3
As for wiring to the In/D unit (F1), (F2) and Out/D unit (F1), (F2) on X3M, refer to the installation manual.
4
Use copper conductors only.
5
DIP switches (DS1, DS2) initial settings are as shown on the drawing for using DIP switches (DS1, DS2), refer to installation manual.
A1
P
P
rinted circuit board
X1M
Terminal strip (power) (individual el compo box)
Y4E
Electronic expansion valve (main discharge)
DS1, DS
2
DI
P
switch
X1M (A1
P
)
Terminal strip (control) (individual el compo box)
Y5E
Electronic expansion valve (main suction)
F1U
Fuse (T, 3.15A,
2
50
V
)
X
2
M (A1
P
)
Terminal strip (C/H selector) (individual el compo box)
Z1C
Noise filter (ferrite core)
F
2
U
Field fuse
X3M
Terminal strip (control) (common el compo box)
X3~6A
Connector (communication)
HA
P
Light emitting diode
(Service monitor-green)
X4M
Terminal strip (power) (common el compo box)
X7~9A
Connector (power supply) (WHT)
Y1E
Electronic expansion valve (sub cool)
Connector for optional parts
P
S
Switching power supply (A1
P
)
Y
2
E
Electronic expansion valve (sub discharge)
X
2
A
Connector (wiring external control adapter for
outdoor unit)
Q1DI
Earth leak detector
Y3E
Electronic expansion valve (sub suction)
: Terminal strip
Colors:
RED:
Red
YLW:
Yellow
: Connection
BLK:
Black
Blu:
Blue
: Relay_connector
WHT:
White
: Terminal
:
P
rotective earth (screw)
L:
Live
N:
Neutral
Unit A
Unit B
Unit C
Unit D
Individual el
compo box
On
Off
Individual el
compo box
To In/D
unit
To Out/D
unit
To In/D
unit
To Out/D
unit
On
Off
Individual el
compo box
On
Off
To In/D
unit
To Out/D
unit
Individual el
compo box
On
Off
To In/D
unit
To Out/D
unit
Common el compo box
P
ower supply
Unit A
Unit B
Unit C
Unit D
To In/D unit To In/D unit To In/D unit To In/D unit
To Out/D unit
Indoor
Indoor
Indoor
Indoor
Outdoor
BS unit top (4x)
