CXRC-SVX01J-EN
19
Installation — Electrical
General Electrical
Recommendations
W
WA
AR
RN
NIIN
NG
G
H
Ha
azza
arrd
do
ou
uss S
Se
errv
viicce
e P
Prro
occe
ed
du
urre
ess!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w a
allll p
prre
ecca
au
uttiio
on
nss iin
n tth
hiiss m
ma
an
nu
ua
all a
an
nd
d
o
on
n tth
he
e tta
ag
gss,, ssttiicckke
errss,, a
an
nd
d lla
ab
be
ellss cco
ou
ulld
d rre
essu
ulltt iin
n
d
de
ea
atth
h o
orr sse
erriio
ou
uss iin
njju
urry
y..
T
Te
ecch
hn
niicciia
an
nss,, iin
n o
orrd
de
err tto
o p
prro
otte
ecctt tth
he
em
msse
ellv
ve
ess ffrro
om
m
p
po
otte
en
nttiia
all e
elle
eccttrriicca
all,, m
me
ecch
ha
an
niicca
all,, a
an
nd
d cch
he
em
miicca
all
h
ha
azza
arrd
dss,, M
MU
US
ST
T ffo
ollllo
ow
w p
prre
ecca
au
uttiio
on
nss iin
n tth
hiiss m
ma
an
nu
ua
all
a
an
nd
d o
on
n tth
he
e tta
ag
gss,, ssttiicckke
errss,, a
an
nd
d lla
ab
be
ellss,, a
ass w
we
ellll a
ass tth
he
e
ffo
ollllo
ow
wiin
ng
g iin
nssttrru
uccttiio
on
nss:: U
Un
nlle
essss ssp
pe
ecciiffiie
ed
d o
otth
he
errw
wiisse
e,,
d
diisscco
on
nn
ne
ecctt a
allll e
elle
eccttrriicca
all p
po
ow
we
err iin
nccllu
ud
diin
ng
g rre
em
mo
otte
e
d
diisscco
on
nn
ne
ecctt a
an
nd
d d
diisscch
ha
arrg
ge
e a
allll e
en
ne
errg
gy
y sstto
orriin
ng
g
d
de
ev
viicce
ess ssu
ucch
h a
ass cca
ap
pa
acciitto
orrss b
be
effo
orre
e sse
errv
viicciin
ng
g..
F
Fo
ollllo
ow
w p
prro
op
pe
err llo
occkko
ou
utt//tta
ag
go
ou
utt p
prro
occe
ed
du
urre
ess tto
o
e
en
nssu
urre
e tth
he
e p
po
ow
we
err cca
an
n n
no
ott b
be
e iin
na
ad
dv
ve
errtte
en
nttlly
y
e
en
ne
errg
giizze
ed
d.. W
Wh
he
en
n n
ne
ecce
essssa
arry
y tto
o w
wo
orrkk w
wiitth
h lliiv
ve
e
e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss,, h
ha
av
ve
e a
a q
qu
ua
alliiffiie
ed
d lliicce
en
nsse
ed
d
e
elle
eccttrriicciia
an
n o
orr o
otth
he
err iin
nd
diiv
viid
du
ua
all w
wh
ho
o h
ha
ass b
be
ee
en
n
ttrra
aiin
ne
ed
d iin
n h
ha
an
nd
dlliin
ng
g lliiv
ve
e e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss
p
pe
errffo
orrm
m tth
he
esse
e tta
asskkss..
N
NO
OT
TIIC
CE
E
U
Usse
e C
Co
op
pp
pe
err C
Co
on
nd
du
ucctto
orrss O
On
nlly
y!!
F
Fa
aiillu
urre
e tto
o u
usse
e cco
op
pp
pe
err cco
on
nd
du
ucctto
orrss cco
ou
ulld
d rre
essu
ulltt iin
n
e
eq
qu
uiip
pm
me
en
ntt d
da
am
ma
ag
ge
e a
ass tth
he
e e
eq
qu
uiip
pm
me
en
ntt w
wa
ass n
no
ott
d
de
essiig
gn
ne
ed
d o
orr q
qu
ua
alliiffiie
ed
d tto
o a
acccce
ep
ptt o
otth
he
err tty
yp
pe
ess o
off
cco
on
nd
du
ucctto
orrss..
All wiring and disconnects must comply with local and
National Electrical Codes™ (NEC). The installer must
provide properly sized system interconnection and
power supply wiring with appropriate fused disconnect
switches.
Electrical connection types, sizes, and locations are
shown in
for
electrical data (MCA, MFS). This information is also
provided on the unit nameplate. Sample wiring
diagrams are provided in this manual.
Power Supply Wiring
Run appropriately sized power wiring and field-
supplied conduit through the line voltage access
opening provided on the front of the unit. Refer to
for electrical connection locations. Run
wire and field supplied conduit up to the conduit
connection point located in the bottom of the control
panel. Make appropriate connections to the power
terminal block in the control panel. Install fused
disconnects as required by local codes. Provide proper
equipment ground to the ground connections in the
control panel.
System Interconnection Wiring
Run appropriately sized field supplied conduits, 115
and 24 volt control wiring through the 115 and 24 volt
access openings provided on the front of the unit. Refer
to
for electrical connection locations.
Run wire and field supplied conduit to the conduit
connection points provided on the bottom of the
control panel. Make appropriate connections to the
terminal blocks in the control panel. Install safety
devices if required by local code. Provide proper
equipment ground to the ground connections in the
control panel. Refer to
for electrical data.
Unit Wiring Diagrams
Specific unit wiring diagrams are provided on the
inside of the control panel door. Use these diagrams
for connections or trouble analysis. Refer to the
section,
, for typical unit
wiring diagrams.
Unit Voltage
Electrical power to the unit must meet stringent
requirements for the unit to operate properly. Total
voltage supply and voltage imbalance between phases
must be within the following tolerances as stated
below in the section, “V
Vo
olltta
ag
ge
e IIm
mb
ba
alla
an
ncce
e” .
Voltage Supply
W
WA
AR
RN
NIIN
NG
G
L
Liiv
ve
e E
Elle
eccttrriicca
all C
Co
om
mp
po
on
ne
en
nttss!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w a
allll e
elle
eccttrriicca
all ssa
affe
etty
y p
prre
ecca
au
uttiio
on
nss
w
wh
he
en
n e
ex
xp
po
osse
ed
d tto
o lliiv
ve
e e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss cco
ou
ulld
d
rre
essu
ulltt iin
n d
de
ea
atth
h o
orr sse
erriio
ou
uss iin
njju
urry
y..
W
Wh
he
en
n iitt iiss n
ne
ecce
essssa
arry
y tto
o w
wo
orrkk w
wiitth
h lliiv
ve
e e
elle
eccttrriicca
all
cco
om
mp
po
on
ne
en
nttss,, h
ha
av
ve
e a
a q
qu
ua
alliiffiie
ed
d lliicce
en
nsse
ed
d e
elle
eccttrriicciia
an
n
o
orr o
otth
he
err iin
nd
diiv
viid
du
ua
all w
wh
ho
o h
ha
ass b
be
ee
en
n p
prro
op
pe
errlly
y ttrra
aiin
ne
ed
d
iin
n h
ha
an
nd
dlliin
ng
g lliiv
ve
e e
elle
eccttrriicca
all cco
om
mp
po
on
ne
en
nttss p
pe
errffo
orrm
m
tth
he
esse
e tta
asskkss..
N
NO
OT
TIIC
CE
E
M
Mo
otto
orr D
Da
am
ma
ag
ge
e!!
C
Co
orrrre
ecctt p
ph
ha
asse
e sse
eq
qu
ue
en
ncce
e iiss ccrriittiicca
all.. IIff p
ph
ha
asse
e
sse
eq
qu
ue
en
ncce
e o
off tth
he
e iin
ncco
om
miin
ng
g lliin
ne
e v
vo
olltta
ag
ge
e iiss n
no
ott
cco
orrrre
ecctt,, iitt cco
ou
ulld
d rre
essu
ulltt iin
n m
mo
otto
orr d
da
am
ma
ag
ge
e..
Measure each leg of supply voltage at the line voltage
disconnect switch. Readings must fall within voltage
utilization range shown on the unit nameplate. If
voltage of any leg does not fall within tolerance, notify
the power company to correct this situation before
operating the unit. Inadequate voltage to the unit can