Trane TAM7A0A24H21SC Installer's Manual page 37

Airflow Control (AFC)
TRANE U.S. INC.
J1
Wire Ties
Y1
O
B
Yo
R
Yo Jumper
STATUS
W2
UNIT R66
Q8
FAULT
R70
D28
R80
R73
MH4
D14
STATUS D15
D16
UNIT D17
D18
FAULT
D19
3 2 1
J7
C27
J4
J7 Jumper
R74 R70
OPEN
TEST
CLOSE
D21
D22
C28
R71
MH1
Electronic Expansion Valve Control (EVC)
6. Set Jumper and Dip Switches
• Set the system refrigerant to either R410A or R-22 using the
Refrigerant Jumper located on the Expansion Valve Control board
(EVC) in the Control Pocket.
• Factory default is R410A.
Note: The power must be shut off and then re-applied in order for the
EVC to recognize the change.
Sca n to s e e a
vid e o o n s e ttin g
th e TAM7 DIP
S w itch e s .
18-GJ06D2-2A
HUM
PART NO. LABEL
C7
T1
T2 C3 C37
R5 D1 R19
R12
J8
R7 C2
D2
BAR CODE R21
D7
D4
K1
D6 D3
Q1
R25 R18
D5
C17 C16 C5 C4 D8
D11
R24
R17 R40
D10
R10 R43
C23
1
R9 U2
R28 R26 R27 R11 R15
R16
R41 R57
C25 16 1
D12
D30
C24 17 64
C45 C44 D31
J9 D13
C36
C31
R32 R36
R82 R84 R38
R85
32
D15 C26 D18 49
C27 C29 C30 D19 C35
D16 48 R65
33
C43
X1
R78
R45
R49 R52 R54
R55
R50
R86
R69 R72
D20 R71
C33 C32 R75
D21
R63
D26 C41 D27
D29 C49
R56 R62 R74 C59
C48
C46
BK Jumper
R109
W1
R106
D24
C53
R68 R102
D33
C52 C47
C40
R101
U3
R110
R94
K2
R104
R100
C39
R67 C38 C51
D32 D23
J6
S3
TEST
+V
A/Y
C3 D3
R9
L2
R4
P/N LABEL
R10
BAR CODE
R11
R34 C4
R6 Q5 R40
R87 R5
Q1 R3
D4
R30
R31
R86 D1
C35
Q6
R16 R35
R15
R88
D7 Q2 R14
D11 D5
U3
R21
R36
R39 Q7
R47 R20
C40
Q3 R19
R32
R8
R42
R33
D8
R17
Q8
U4
R25 R38 R27
X1
R29
Q4 R26
C15
R60
C26 D12
C13
+5V
R57 R48
C36
C41 C14
R56 L4
D13
R55 L5
R75
C17
C6
R54
R28
C18 GAS GAS
R53
R81
R2 R7
TEMP TEMP
R52 C2
R76
R49 R12
R73
R51
C34 R84
C29
C5
U1
R85
R22
Q9
C42
C11 TRANE U.S. INC.
J5
S1 Dip Switch
OUTDOOR
J4
Pb
on
} Capacity (Tons)
AC (System)
HP
1 2 (Stages)
1 2 (Compressor)
S1
R3 R4 INDOOR
R2 R8
C6
R NET 1 on
C1
CFM/Ton
R42 R34 R NET 2
Cool Off Delay
R1
U1
R39 R33
Torque
CFM
R13
R46
S2
R14
D9
R58
C10
+12V
R22
J3
J7
R23 J13
C13
C42
R20
+12V
R77
Q3
R64 R44
Q5 RX
Q2
R79
TX
R83
R29
R76
R47 Q4
GND
R81
D14
R37
MOTOR
Q6 R30
D17
R53
R61
R91 R98 C28
R89 R59
Q7
R105
R97 R108
C55
C60
R103
TZ2
D36
R95
C54
U4
C56
D35 R99
R96
D34
C57
L2
5V
C58
C50
MOV1
L3
U5
+13.8V
GND
B/Z
J2
MOV1
MH3
L3
R43
C1
J1
Distribution Board
C37
R44
L1
+12V +12V
R59
R83
C16
D20
OVR OVR
J6
FLOW FLOW
EVAP EVAP
TEMP TEMP
C30
R72
C33
R77
R78 J3 J3
C32
C38
GND GND
MH2
J7 Jumper
Electronic Expansion Valve Control (EVC)
E E l l e e c c t t r r i i c c a a l l — — L L o o w w V V o o l l t t a a g g e e
S2 Dip Switch
P/N LABEL
MH4
D14
D15
STATUS
D16
UNIT D17
D18
FAULT
D19
3 2 1
D11
R21
J7
R39
R32
R8
R33
R17
U4
R25
R29
C15
R60
C26
C27
J4
R57
C41 C14
R56 L4
R74 R70
R55
OPEN
R75
TEST
R54
R53
CLOSE R81
D21
R52
R76
R51
D22
C28
R71
MH1
C11
J5
R10
BAR CODE
R11
R87
R30
R31
R86
C35
R88
U3
R47
C40
R42
X1
C13
L5
C17
C6
C18
C34 R84
C5
Q9
TRANE U.S. INC.
37