![background image](http://html.mh-extra.com/html/carrier/90ma/90ma_installation-operation-and-service-manual_2561796022.webp)
16
62--10458--00
TB1--1
T--HIGH
R
R
8
BLU
BLK
90MA012 UNITS ONLY
B
W
ORN
B
W
9
IPC
C DT2
BLK
US
BLK
BLU
C DT1
2
OLA
1
BLU
2
OLB
1
FOR HOT WATER/STEAM
HEAT SEE NOTE 2
ORN
(SEE NOTE 3)
SUPPLY
POWER
T--LOW
RED
X2
X1
F
RED
RED
TB1--5
YEL
DPS
BLU
ORN
SW
CHR
RED
SPS
1
3
RED
CL
RED
VIO
GROUND
L3
L2
G
SEE NOTE 1
BLK
24VOLT
TRAN
BLU
BLU
IFC
BLK
11
BLK
BLU
YEL
13
12
13
12
23
22
BLK
21
23
22
BLU
YEL
OLA
4
3
CL
BRN
LLS
TB1--2
BLU
CHR
TB1--2
BRN
IFC
C2 CC
BRN
BRN
CC
BRN
BRN
TRAN
IFC
BRN
CHR
RED
IFC
US
BRN
BRN
CC
CHR
BLK
GRN
CHR
4
5
CH
3
2
T3
T1
T2
YEL
(COLOR VARIES)
IFM
C
FIELD
L1
H2
BLU
CC
11
21
GROUND
MC
OLB
4
3
AS
AC
H2
H1
(COLOR VARIES)
1
H1
OPTIONAL ELECTRIC DUCT HEATER
HEATERS
X
3
2
1
LOGIC
H1
H2
H3
H4
YEL
H5
H6
VIO
ORN
BLK
BRN
BRN
C2
C2
1
L1
L2
L3
G
TB1--4
TB1--3
NO
NO
NC
IPF
90MA012
UNITS ONLY
BRN
BRN
LLS
BLU
RED
RED
BLK
BLK
GRN
RED
BRN
90MU UNITS ONLY
CFR
13
12
11
23
22
CFR
21
90MU CONDENSER FAN WIRING
SHIPS POWER
TO FAN
SINGLE OR THREE PAHSE AS REQUIRED
TB1--4
TB1--2
TB1--3 JUMPER
WIRE PASSES THOUGH
LOOP OF CL
Figure 15 Wiring Schematic -- 90MA/MF/MU008/012