RT-SVX069A-EN
17
A condensate trap must be installed at the unit due to
the drain connection being on the “negative pressure”
side of the fan.
A condensate drain line must be connected to the P-
Trap. Pitch the drain lines at least 0.5-inch for every 10
feet of horizontal run to assure proper condensate flow.
Do not allow the horizontal run to sag causing a
possible doubletrap condition which could result in
condensate backup due to “air lock”.
Filter Installation
Each unit ships with 2-inch filters installed. The
quantity of filters is determined by unit size. Access to
the filters is obtained by removing the filter access
panel.
N
No
otte
e:: Do not operate the unit without filters.
Field Installed Power Wiring
An overall dimensional layout for the standard field
installed wiring entrance into the unit is illustrated in
. To insure the unit’s supply
power wiring is properly sized and installed, follow the
guidelines outlined below.
N
No
otte
e:: All field installed wiring must conform to NEC
guidelines as well as state and Local codes.
Verify that the power supply available is compatible
with the unit’s nameplate ratings. The available supply
power must be within 10 percent of the rated voltage
stamped on the nameplate. Use only copper
conductors to connect the power supply to the unit.
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..
IIm
mp
po
orrtta
an
ntt:: A field supplied disconnect switch must be
installed at or near the unit in accordance
with the National Electrical Code (NEC
latest edition).
Main Unit Power
W
WA
AR
RN
NIIN
NG
G
P
Prro
op
pe
err F
Fiie
elld
d W
Wiirriin
ng
g a
an
nd
d G
Grro
ou
un
nd
diin
ng
g
R
Re
eq
qu
uiirre
ed
d!!
F
Fa
aiillu
urre
e tto
o ffo
ollllo
ow
w cco
od
de
e cco
ou
ulld
d rre
essu
ulltt iin
n d
de
ea
atth
h o
orr
sse
erriio
ou
uss iin
njju
urry
y..
A
Allll ffiie
elld
d w
wiirriin
ng
g M
MU
US
ST
T b
be
e p
pe
errffo
orrm
me
ed
d b
by
y q
qu
ua
alliiffiie
ed
d
p
pe
errsso
on
nn
ne
ell.. IIm
mp
prro
op
pe
errlly
y iin
nsstta
alllle
ed
d a
an
nd
d g
grro
ou
un
nd
de
ed
d
ffiie
elld
d w
wiirriin
ng
g p
po
osse
ess F
FIIR
RE
E a
an
nd
d E
EL
LE
EC
CT
TR
RO
OC
CU
UT
TIIO
ON
N
h
ha
azza
arrd
dss.. T
To
o a
av
vo
oiid
d tth
he
esse
e h
ha
azza
arrd
dss,, y
yo
ou
u M
MU
US
ST
T ffo
ollllo
ow
w
rre
eq
qu
uiirre
em
me
en
nttss ffo
orr ffiie
elld
d w
wiirriin
ng
g iin
nsstta
alllla
attiio
on
n a
an
nd
d
g
grro
ou
un
nd
diin
ng
g a
ass d
de
essccrriib
be
ed
d iin
n N
NE
EC
C a
an
nd
d y
yo
ou
urr llo
occa
all//
sstta
atte
e//n
na
attiio
on
na
all e
elle
eccttrriicca
all cco
od
de
ess..
Standard Wiring
The electrical service must be protected from over
current and short circuit conditions in accordance with
NEC requirements.
Protection devices must be sized according to the
electrical data on the nameplate.
•
A field supplied disconnect switch must be installed
at or near the unit in accordance with the National
Electrical Code (NEC latest edition).
•
Location of the applicable electrical service
entrance is illustrated in
Complete the unit’s power wiring connections onto
either; the main terminal block inside the unit
control panel, or the electric heat terminal block.
Refer to the customer connection diagram that
shipped with the unit for specific termination
points.
•
Provide proper grounding for the unit in accordance
with local and national codes.
Control Power Transformer
The 24-volt control power transformers are to be used
only with the accessories called out in this manual.
Controls using 24 Vac
Before installing any connecting wiring, refer to
for the electrical access locations
provided on the unit and for AC conductor sizing
guidelines.
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..
1. Use copper conductors unless otherwise specified.
2. Ensure that the AC control wiring between the
controls and the unit’s termination point does not
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