Reznor JS4BD (3ph) Unit Installation Manual - Manual (Page 11)

11
electrical diagramS & taBleS
R
T3 T1
T2
S C
COMPRESSOR
OUTDOOR
F
AN M
OTO
R
THREE PHASE FIELD SUPP
LY
CAP
A
CIT
OR
GR
OUNDING
LUG
HIGH PRES
.
SWITCH
CONT AC TOR
T3
L1
L2
L3
GL
1
L2
L3
CCH
(If Equipped)
T2
T1
YELLOW/BLACK
BLUE
ORANGE
BL
AC
K
YELLO
W
RED
BL
AC
K
e
s
a
h
P
e
er
h
T
)
n
oi
t
c
e
S
r
o
o
dt
u
O(
r
e
n
oi
ti
d
n
o
C
ri
A
m
et
s
y
S
til
p
S
WIRING DIA
GRAM
NO
TES:
1.
Disconnect all po
wer bef
ore servicing.
2.
For suppl
y connections use copper conductor
s onl
y.
3.
For replacement wires use conductor
s suitable f
or 105 deg.
C.
4.
For suppl
y wire ampacities and o
ver
current pr
otection,
see unit rating plat
e.
5.
Connect to 24 v
ac/40 v
a/c
lass 2 cir
cuit.
See furnace/air handler installation
instructions f
or contr
ol cir
cuit and optional rela
y/transf
ormer kits.
1.
Couper le courant
av
ant de faire letretien.
2.
Empl
oy
ez uniquement des conducteur
s en cuivre
.
710688A
05/08
FIELD
WIRING LEGEND:
LO
W
VO
LT
AG
E
HIGH
VO
LT
AG
E
HPS
Compressor
Contacts
L3
T3
L2
S C
R
Capacitor
Outdoor Fa
n Motor
T2
L1
CCH
(If Equipped)
T1
Compressor
CC
CC - Contactor Coil CCH - Crankcase Heater HPS - High Pressure Switc
h
24
Vo
lt Field
Connections
¢710688N¤
Figure 3. Wiring diagram for S4Bd, 3- phase models
(3, 4, & 5 ton units)