Nortek SA3BF4M2SN Series, Installation Instructions Manual

Page: 10 / 12

10
YELLO
W/
BLA
CK
YELLO
W
YELLO
W
BR
OW
N
BLA
CK
BLUE
BLA
CK
YELLO
W
BLA
CK
COMPRESSOR
CONT
AC
TO
R
OUTDOOR FAN MO
TO
R
HIGH PRESSUR
E
SWITCH
LO
W PRESSURE
SWITCH
CCH
S
C
R
HC
Y2
CY
L1
L2 T2
T1
TO
THERMOS
TAT
LEFT
RIGHT
YELLO
W
GRN
L1
L2
SINGLE PHASE
FIELD SUPPL
Y
ECM
Y2
L2
C
L1
Y1
G
RED
BLA
CK
CAP
AC
IT
OR
WHITE
C
TERMINAL BLOCK
D
GREEN
TO
UNIT
GR
OUND
LUG
WIRING DIA
GRAM
10398290
(Replaces 711013B)
7/21
FIELD
WIRIN
G
LEGEND
:
LO
W
VO
LT
AG
E
HIGH
VO
LT
AG
E
YELLO
W
BL
AC
K
YELLO
W
BLUE
YELLO
W
CC- CON
TA
CT
OR COIL
CCH - CRANKCASE HEA
TER
LPS - LO
W PRESSURE SWITCH
HPS - HIGH PRESSURE SWITCH CSC - COMPRESSOR SOLENOID COIL
208/230V
H
C
CCH
R
C
S
L2 T2
COMPRESSOR
CONT
AC
TS
L1
T1
COMPRESSOR
CS
C
C
Y2
Y
LPS
HPS
COMPRESSOR
SOLENOID COIL
24
VO
LT
FIELD
CONNECTIONS
CC
208/230V
Tw
o Stage Split System Air Conditioner (Outdoor Section)
With ECM Outdoor Motor
Single Phase / 60 Hz.
NO
TES:
1.
Disconnect all po
wer bef
ore servicing.
2.
For suppl
y connections use copper conductor
s onl
y.
3.
Not suitable on systems that e
xceed 150 v
olts to gr
ound.
4.
For replacement wires use conductor
s suitable
fo
r 10
5
5.
For ampacities and o
ver
current pr
otection,
see unit rating plat
e.
6.
Connect to 24 v
ac/40v
a/c
lass 2 cir
cuit.
See furnace/airhandler installatio
n
instructions f
or contr
ol cir
cuit and optional rela
y/trans
fo
rmer kits
.
7.
Caution:
The Lo
w
Voltage wiring shall NO
T be gr
ounded to this unit.
1.
Couper le courant
av
ant
de faire letretien. 2.
Empl
oy
ez uniquement des
conducteu
rs
en cuivre
.
3.
Ne con
vient pas aux installations
de plus de 150 v
olt a la terr
e.
°C
OUTDOO
R
FA
N MO
TO
R
CA
PA
CI
TO
R
Y1
C
Y2
ECM
L2
L1
G
TO
GR
OUND
UNIT LU
G
SEE NO
TES
6 AND
7
SEE NO
TES
6 AND
7
SEE NO
TE
7
Figure 6. Wiring Diagram for *SA3BF4M2SN48K and *SA3BF4M2SN60K (4.0 and 5.0 Ton Units)