31
R71
D21
L4
D
24
C18
R
90
C
12
R74
C28
D
23
C
31
D
26
R
41
R
45
R
37
X1
Q9
C
21
R
91
R87
R53
R54
C41
R57
C26
C27
D19
D17
C34
C17
C13
C14
R39
R88
C
D
25
R70
D22
R
79
R51
R55
R52
R56
R60
D15
R
80
R
82
C11
R
46
R81
L5
R84
R47
R33
R21
R32
D11
U3
R42
R31
C
R
U4
R17
R25
J7
D16
R30
R11
R75
C15
R29
R76
J4
D18
D14
R8
MH4
C5
C35
R10
MH1
J5
TEST
CLOSE
VS
S
OPEN
2 1
R
22
PG
D
PG
C
FAULT
UNIT
P/N LABEL
C L
R
VD
D
BAR CODE
STATUS
3
R
41
0
TRA
STEP 6
- Set Jumper and Dip Switches
refrigerant Jumper J7
•
Set the system refrigerant to either R-410A or R-22
using the Refrigerant Jumper located on the Expan-
sion Valve Control board (EVC) in the Control Pocket.
•
Factory default is R-410A.
•
Note: The power must be shut off and then re-applied
in order for the EVC to recognize the change.
Wire Ties
R71
D21
L4
D
24
C18
R
90
C
12
D7
D4
R85
R74
C28
D
23
C
31
D
26
R
41
R
45
R
37
X1
Q9
C
21
R
91
R87
R28
Q7
Q6
Q5
R49
D3
C42
Q8
R4
R53
R54
C41
R57
C26
C27
D19
D17
C34
C17
C13
C14
R39
R88
C40
C29
R22
C38
C32
C33
D12
R27
R20
C16
R83
D20
R15
R14
L1
C37
R3
D1
R43
D
25
R70
D22
R
79
R51
R55
R52
R56
R60
D15
R
80
R
82
C11
R
46
R81
L5
R84
R47
R33
R21
R32
D11
U3
R42
R31
R2
R38
D13
R7
C6
C2
U1
R36
R34
R35
R6
R16
R86
R12
R26
C36
R48
R78
R72
C30
R73
R77
R59
D8
R5
R19
R40
D5
R44
L2
MOV1
J2
U4
R9
C3
L3
R17
R25
J7
D16
R30
C1
R11
C4
R75
C15
R29
R76
J4
D18
D14
R8
MH4
C5
Q4
C35
J1
J6
Q1
Q2
Q3
MH3
R10
MH1
J5
MH2
J3
TEST
CLOSE
VS
S
+5V
+V
GND
OPEN
2 1
OVR
B/Z
R
22
PG
D
PG
C
FAULT
UNIT
P/N LABEL
C L
R
VD
D
BAR CODE
GAS
TEMP
FLOW
+12V
STATUS
3
GND
TEMP
EVAP
A/Y
R
41
0
TRANE U.S. INC.
J3
OVR
GAS
TEMP
FLOW
+12V
GND
TEMP
EVAP
Pb
FAULT
UNIT
48
33
32
17
16
1
64
49
BK Jumper
TEST
TRANE U.S. INC.
VD
D
PG
D
MC
LR
VS
S
PG
C
3.3
V
SC
L
SD
A
GN
D
HUM
5V
MOTOR
GND
RX
TX
+12V
PART NO. LABEL
BAR CODE
12
34
5
12
34
5
STATUS
Yo Jumper
+12V
+13.8V
C60
C59
R57
R58
R64
R65
R76
R78
C2
0
C28
C55
S3
R110
R59
R41
R68
C40
R108
R9
3
R109
R12
R55
R23
R20
R49
R13
R14
D23
D19
D18
C46
C39
C6
C23
R80
J13
R71
R67
R52
R75
R72
Q2
C41
R61
Q6
Q7
R1
R33
R34
J4
Q1
X1
U5
U4
U3
TZ2
T2
T1
R99
R98
R97
R60
R96
R95
R21
R91
R8
7
R8
8
R70
R86
R83
R81
R66
R79
R77
R54
R103
R106
R4
R104
R5
1
R53
R4
8
R47
R44
R42
R39
R82
R37
R3
5
R3
1
R30
R74
R89
R25
R18
R19
R10
R9
R8
R3
R2
R5
R7
Q8
Q4
PT
C1
MOV1
L2
L3
K1
J3
J6
J9
D36
D35
D34
D1
D2
2
D29
D2
5
D24
D7
D4
D2
D28
C57
C54
C56
C51
C49
C48
C47
C52
C43
C42
C36
C35
C3
4
C31
C30
C29
C13
C7
C3
C2
C1
U1
C58
R105
C50
U2
J7
R24
R17
D6
D3
D14
D17
R NET 1
R NET 2
R73
1
J8
Yo
R
B
O
Y1
J1
W2
W1
R63
R62
R56
D21
D20
C32
C33
R38
R36
R16
R15
R32
R11
R28
R27
R26
D13
D12
D5
D11
D10
C24
C25
C4
C5
C16
C17
D8
R50
R45
R85
R84
D16
D15
D31
D30
C26
C27
C44
C45
D32
D33
R94
R100
R101
R
10
7
R29
K2
R
6
C53
C2
2
C1
9
C
15
C
12
C9
C8
C1
1
C1
4
C1
8
C2
1
D26
R69
C37
C38
C10
D9
L1
R102
D27
R40
R22
R46
R43
Q3
Q5
1
1
HP
2 (Compressor)
2 (Stages)
AC (System)
}
Capacity (Tons)
OUTDOOR
}
Torque
CFM/Ton
Cool Off Delay
}
INDOOR
CFM
S1
on
on
S2
STEP 5
- Secure the sheathed wiring to the
control pocket mounting plate using the factory
supplied wire ties attached to the tabs to as
shown.
S2 Dip Switch
S1 Dip Switch
J7 Jumper
J7 Jumper
Airflow Control (AFC)
Distribution Board
Electronic Expansion Valve Control (EVC)
Electronic Expansion Valve Control (EVC)
Scan to see a
video on setting
the TAM7 DIP
Switches.
