Lennox MMA048S4 User Manual

72
Inverter
r
Outdoorr PCB
18K/24K (Gas cooler) Alt.
CN3
Recfier, FRD,
IGBT andIPM
CN60
CN16
CN5
CN27
C
N
C
27
N
CN414 CN18
CN17
C
N
C
C
1
CN23
C
N
C
C
4
N
N
1
4
C
CN19
18
Port DescriponVoltage
CN23 Port fortestboard 5V/DC
CN414Portfor DC fan0-310V/AC
CN17
Poweroutputfor condenser (T3),
ambient (T4) and discharge (Tp)
temperaturesensors
5V/DC
CN18 Poweroutput for EEV 12V/DC
CN19 Poweroutput for chassis heater230V/AC
CN5Power output for AC fan230V/AC
CN16
Poweroutput forcompressor
heater
230V/AC
CN60 Poweroutput for4-way valve 230V/AC
CN3Portfor powercable (E,N,L,S)
CN27 Port forCompressor0-310V/AC
PCB Code: 17122000048064
W
W
IPM
W
W
W
W
W
W
W
W
V
V
V
V
V
V
V
V
U
U
N
N
P
P
IPM for
DC Fan
C
F
W
W
W
W
W
V
V
U
U
Recfier
- L
L
N
N
N
N
+
+
FUSE
N
N
L
L
S
S
P
N
Figure 25. Typical Component Locations (MPC018S4S-1P and MPC024S4S-1P)

Lennox MMA048S4 Specifications

General

Brand	Lennox
Model	MMA048S4
Category	Air Conditioner
Language	English