21
CN13
DISPLAY
BOARD
TO WIR E
CON TRO LLE R
10
T2
T1
CN6
4
BLACK
WHITE
CN10(CN10A)
M
PUMP
2
INDOOR UNIT
MAIN BOARD
CN
23
ON
-
OF
F
Remote
Control
C
N
33
A
LA
R
M
Alarm
Output
CN 15
M
FAN
5
RE
D(
BR
OW
N)
CN1
BL
UE
(B
LA
CK
)
L1 L2
Y/G
CN5
W ATER LEVEL SW ITC H
CN2
Q E P
To LVM
Comm.Bus
CN7
T2B
INDOOR COIL OUTLET TEMP.SENSOR
POWER
P1
Y/G
CN3
JR6
JR6
To O UTDOO R
Comm .Bus
S2
S1
P4
E Y X
Fe
rrit
e b
ea
d
5
ROO M T EMP .SEN SOR
INDO OR C OIL T EMP .SENS OR
Note1:remove the JR6 jumper for
remote on/off control
TO
PROGRAMMABLE
WIRED
CONTROLLER
2
CN40
4
Note: The
programmable
wired controller
and regular
wired controller
use the same
wiring connector
2
• • • • •
COMPONENT IN DASH
LINE IS OPTIONAL
OR FIELD WIRING.
Figure 32. M33A036S4-*P, M33A048S4-*P and M33B048S4-*P Unit Wiring Diagram
BLUE
CN2
BROWN
CN16
CN1
CN26
DC-FAN
CN29
REACTOR
CN9-1
CN32-1
OU
TD
OO
R C
OIL
T
EM
P. S
EN
SO
R
CN7
CO
MP
RE
SS
OR
D
ISC
HA
RG
E T
EM
P.
SE
NS
OR
CN27
YELLOW
4-
W
AY
VA
LV
E
WHITE
COMPRESSOR
BL
UE
RE
D
BL
AC
K
CN28
CN30
WHITE
3
2
L2
RED
BLUE
Y/G
1
Y/G
Y/G
CN3
6
CN31
CN21
CN22
3
PAN
HEATER
CN33
CRANKCASE
HEATER
OU
TD
OO
R
TE
MP
. S
EN
SO
R
Figure 33. 208/230V MPA009S4S-*P and MPA012S4S-*P Outdoor Unit Wiring Diagram
