Lennox MMDA048S4-1P User Manual

Lennox Mini-Split Service Manual / Page 139
Illustrative Drawing of Board Shown - Actual Unit May Differ
MPA030S4S-1P
N
L
SHOW/SW
EARTH
[1.4]2014.06.26
EU- KF R105W/ BP3T5N1- 350S. D. 13. WP1- 1
L- OUT
N- OUT
HI GH
LOW
T2B- E
T2B- D
T2B- C
T2B- B
T2B- A
TP
T4
T3
S- E
S- D
S- C
S- B
S- A
FAN _OUT
FAN _I N
Q
E
P
A
B
C
D
E
202302141206
CN19
D4
R13 4
R13 3
R89
R37
+
E12
+
E15
CN10
N
C18
CN9
ZR 3
ZR 2
ZR 1
X1
S
RY8
RY7
RY6
RY5
RY3
RY2
R21 3
R21 2
R21 1
R21 0
R18 0
R17 0
R14 0
R13 1
R13 0 R12 9
R12 8
R12 7
R12 6
R12 5
R12 4
R12 3
R12 1
R12 0
R11 8
R11 7
R1 1 6
R11 5
R1 1 4
R11 3
R11 2
R11 1
R11 0
R10 9
R10 8
R10 7
R10 6
R10 5
R10 4
R10 3
R10 2
R10 1
R10 0
R99
R98
R96
R95
R94
R93
R92
R91
R90
R88
R81
R80
R79
R78
R77
R76
R75
R74
R73
R72
R71
R7 0
R69
R6 8
R67
R66
R65
R64
R63
R62
R61
R60
R59
R58
R57
R56
R55
R54
R53
R52
R51
R50
R49
R48
R47
R4 6 R4 5
R44
R43
R42
R41
R40
R39
R38
R36
R35
R34
R33
R32
R31
R30
R29
R28
R27
R26
R25
R24
R23
R22
R21
R20
R19
R18
R17
R1 6
R15
R14
R1 3
R12
R11
R10
R9
R8
R7
R6
R5
R4
R3
R2
R1
Q5
Q2
PTC1
LED1
L3
IC30
IC22
IC21
IC20
IC19
IC18
IC17
IC16
IC15
IC14
IC13
IC12
IC10
IC9
IC8
IC7
IC6
IC5
IC2
IC1
FU SE 2
5A / 250V
FU S E1
T30A/ 250V
E21
E20
+
E19
+
E16
+
E14
E13
E11
E9
E8
E5
E4
E3
E1
DSP1
DSA1
D28
D27
D26
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16
D1 5
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D3
D2
D1
CONdebug
CN44
HEAT2
CN4 3
FAN
CN42
C
CN41
C
CN40
HEAT1
CN34
CN3 3
CN3 0
CN2 9
CN2 8
CN27
CN2 6
CN2 2 4- WAY
CN20
CN1 8
CN17
CN16
CN14
CompT op
CN12
CN11
CN8
CN6
CN5
CN4
N
CN3
N
CN2
N- I N
CN1
L- I N
C10 3
C98
C97
C96
C9 5
C94
C93
C92
C91
C90
C72
C70
C69
C68
C67
C66
C65
C64
C62
C61
C60
C59
C58
C5 7
C56
C55
C54
C53
C52
C51
C50
C49
C48
C47
C4 6
C45
C44
C43
C42
C41
C40
C39
C38
C37
C36
C35
C34
C33
C32
C31
C30
C29
C28
C27
C26
C25
C24
C23
C22
C21
C20
C19
C17
C16
C15
C14
C13
C1 2
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
JP1
JP2
D2 9
D30
CN23
~~
-
++
-
SSR1
CN7
CN13
P- 1
L1
R82
R83
R84
R85
R86
R87
R97
R11 9
R12 2
R1 3 2
CN35
N
CN37
FA N - L
Q3
Q6
Q7
Q8
Q9
CN36
FAN - H
E2
IC3
Q1
Q4
IC4
ZR4
RY4
CN32
CN38
L2
R135
SW 1
CN21
Fault Code
LEDs

Lennox MMDA048S4-1P Specifications

General

Brand	Lennox
Model	MMDA048S4-1P
Category	Air Conditioner
Language	English