MUA-SVX004B-EN
25
Electrical Connections
W
WA
AR
RN
NIIN
NG
G
H
Ha
azza
arrd
do
ou
uss V
Vo
olltta
ag
ge
e!!
F
Fa
aiillu
urre
e tto
o d
diisscco
on
nn
ne
ecctt p
po
ow
we
err b
be
effo
orre
e sse
errv
viicciin
ng
g cco
ou
ulld
d rre
essu
ulltt iin
n d
de
ea
atth
h o
orr sse
erriio
ou
uss iin
njju
urry
y..
D
Diisscco
on
nn
ne
ecctt a
allll e
elle
eccttrriicc p
po
ow
we
err,, iin
nccllu
ud
diin
ng
g rre
em
mo
otte
e d
diisscco
on
nn
ne
eccttss 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.. V
Ve
erriiffy
y tth
ha
att n
no
o p
po
ow
we
err iiss p
prre
esse
en
ntt w
wiitth
h a
a v
vo
ollttm
me
ette
err..
•
The rooftop duct furnace is wired at the factory and ready to be connected. Actual wiring will
differ according to the options used. Each furnace will be shipped with its own wiring
diagram; refer to this wiring diagram for all electrical connections to the unit.
All electrical connections must conform to the latest edition of ANSI/NFPA No. 70 National
Electrical Code and applicable local codes; In Canada, to the Canadian Electrical Code, Part I
CSA Standard C22.1.
W
WA
AR
RN
NIIN
NG
G
R
Riisskk o
off E
Elle
eccttrro
occu
uttiio
on
n!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w iin
nssttrru
uccttiio
on
nss b
be
ello
ow
w cco
ou
ulld
d rre
essu
ulltt iin
n d
de
ea
atth
h o
orr sse
erriio
ou
uss iin
njju
urry
y..
D
DO
O N
NO
OT
T u
usse
e a
an
ny
y tto
oo
ollss ((ii..e
e.. ssccrre
ew
wd
drriiv
ve
err,, p
plliie
errss,, e
ettcc..)) a
accrro
ossss tth
he
e tte
errm
miin
na
allss tto
o cch
he
ecckk ffo
orr
p
po
ow
we
err.. Y
Yo
ou
u M
MU
US
ST
T u
usse
e a
a C
CA
AT
T IIIIII o
orr IIV
V v
vo
ollttm
me
ette
err rra
atte
ed
d p
pe
err N
NF
FP
PA
A 7
70
0E
E..
•
The outdoor conduits leading into the unit should be installed to prevent rain from wetting
any high voltage wire. Locate the thermostat in accordance with the instructions packed with
each thermostat.
N
No
otte
e:: Should any original wire supplied with the heater have to be replaced, it must be replaced
with wiring material having a temperature rating of at least 105°C (221°F).