Daikin VRV 5 BS4A14AJV1B Manual page 85

BS4~12A14AJV1B
VRV 5 branch selector unit
4P695527-1 – 2022.02
Example
a d
INDOOR INDOOR INDOOR INDOOR
UNIT UNIT UNIT UNIT
A B C
F1 F2 F1 F2 F1 F2 F1 F2
F1 F2 F1 F2
A1 B1
b
INDOOR
UNIT
A
F1 F2 F1 F2 F1 F2 F1 F2
A2
F1 F2
a BS unit 1
b BS unit 2
c Outdoor unit
d When joining branch pipes C and D
A1/A2 Indoor unit A connected to the branch pipe A of BS unit 1 and BS unit 2 respectively
B1/B2 Indoor units B1 and B2 connected to the same branch pipe B of BS unit 1
C Indoor unit C connected to joint branch pipes C and D of BS unit 1. The F1/F2
terminals of the indoor unit only have to be connected to 1 of the 2 F1/F2 terminals
inside BS unit 1.
Note: The DIP switches of each control PCB in the BS unit switch box have to be set
accordingly to the transmission wiring. See
4 Connect the power supply as follows. The earth wire needs to be attached to
the cup washer:
1~ 50 Hz
220-240 V
a
b
c
X1M
a Earth leakage circuit breaker
b Fuse
c Power supply cable
5 Attach the cables (power supply and transmission cables) with a tie-wrap to
the foreseen fixation points. Route the wiring according to the illustration
below.
BS4~12A BS10~12A
X1M
c
c
a
a Power supply cable (field supply)
c
OUT-
BS
DOOR
UNIT
D UNIT
F1 F2 F1 F2
F1 F2 F1 F2
B2 C
INDOOR INDOOR INDOOR OUT-
UNIT UNIT UNIT DOOR
B C D UNIT
F1 F2 F1 F2
"16.4 To set the DIP
BS6~12A BS4~12A
BS6-8A : X3M
X3M BS10-12A : X4M
c b c c b
16 Electrical installation
|
TO TO
IN/D OUT/D
F1 F2 F1 F2
BS
UNIT
switches" [
X2M
BS4A : X3M
BS6-8A : X4M
BS10-12A : X5M
c
b
c b c c
Installer and user reference guide
4
87].
85