Daikin VRV III REYQ8PY1B, Service Manual

Page: 413 / 472

Wiring Diagrams for Reference SiBE37-701
402 Appendix
REYQ34P / 36P / 38P / 40P / 42P / 44P / 46P / 48P7Y1B
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(PO
WER LINE)
2 WIRES
CABLE
(PO
WER LINE)
2 WIRES
CABLE
(PO
WER LINE)
2 WIRES
CABLE
(PO
WER LINE)
SWITCH
SWITCH
INDOOR UNITS
INDOOR UNITS
BS UNITS
OUTDOOR UNITS
SWITCH
FUSE
OUTDOOR UNITS
FUSE
L
SWITCH
FUSE
SWITCH
2 WIRES
CABLE
(PO
WER LINE)
2 WIRES
CABLE
(PO
WER LINE)
2 WIRES
CABLE
(PO
WER LINE)
FUSE
SWITCH
FUSE SWITCH
2 WIRES
CABLE
(PO
WER LINE)
FUSE
SWITCH
FUSE
SWITCH
FUSE
SWITCH
FUSE
SWITCH
2 WIRES
CABLE
(PO
WER LINE)
FUSE
SWITCH
FUSE
SWITCH
N
LN
LN LN
2 WIRES
CABLE
(PO
WER LINE)
FUSE
SWITCH
LN
LN
LN
LN
LN
2 WIRES
CABLE
(PO
WER LINE)
LN
2 WIRES
CABLE
(PO
WER LINE)
FUSE
SWITCH
LN
2 WIRES
CABLE
(PO
WER LINE)
FUSE
SWITCH
LN
2 WIRES
CABLE
(PO
WER LINE)
FUSE
SWITCH
LN
LN
N
FUSE
FUSE
FUSE
L2
SWITCH
L1
L3
N
L2
L1
L3
N
L2
L1
L3
MAIN SWITCH
L2
N
[UNIT 1]
N
PO
WER SUPPL
Y
[UNIT 2]
PO
WER SUPPL
Y
COOLING ONL
Y UNIT
COOLING ONL
Y UNIT
[UNIT 3]
MAIN SWITCH
[UNIT 2]
L
L1
N
L3
L2
L
[UNIT 3]
[UNIT 1]
L3
L1
N
PO
WER SUPPL
Y
MAIN SWITCH
PO
WER SUPPL
Y
When the po
w
er source is supplied to
each outdoor unit individually
.
When the po
w
er source is connected
in ser
ies betw
een the units
.
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(PO
WER LINE) BS UNITS
FUSE
SWITCH
LN
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(PO
WER LINE)
FUSE
SWITCH
LN
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
MAIN SWITCH
N
L2
L1
L3
2 WIRES
CABLE
(TRANSMISSION LINE)
2 WIRES
CABLE
(TRANSMISSION LINE)
Notes 1) All wir
ing, components and mater
ials to be procured
on the site m
ust comply with the applicab
le local and
national codes
.
2) Use copper conductors only
.
3) As f
or details
, see wir
ing diag
ram.
4) Install circuit break
er f
or saf
ety
.
5) All field wir
ing and components m
ust be pro
vided b
y
licensed electr
ician.
6) Unit shall be g
rounded in compliance with the applicab
le local and national codes
.
7) Wiring shown are general points-of-connection guides only and are not intended for or to include all details f
or a specific installation.
8) Be sure to install the s
witch and the fuse to the po
w
er line of each equipment.
9) Install the main s
witch that can interr
upt all the po
w
er souces in an integ
rated manner
because this system consists of the equipment utilizing the m
ultiple po
w
er sources
.
10)
The capacity of UNIT1 m
ust be larger than UNIT2 when the po
w
er source is connected
in ser
ies betw
een the units
.
11) If there e
xists the possibility of re
v
ersed phase
, lose phase
, momentar
y b
lac
k
out or the
po
w
er goes on and off while the product is oper
ating, attach a re
v
ersed phase protection
circuit locally
.
Running the product in re
v
ersed phase ma
y break the compressor and other par
ts
.
3D057763