Trane Force-Flo - Page 158

Wiring Diagrams
158 UNT-SVX07J-EN
Table 97. Typical wiring diagram for CSTI unit with 3-phase single-stage electric heat
D
a
m
p
e
r
J7-1(24V-Y)
J7-3(Op)
M
2L2
20M
30B
WHT PLG & CAP
V2
Fa
n
I
'
l
ok
V1
208V/60/3
3L1L2L
EQUIPMENT DAMAGE.
2
5
3
4
7
6
1
JACK(CAP) CONNECTOR
CSTI UNIT MNT FAN SWITCH
FIELD SUPPLIED DEVICE
CONTROL END
PIPING END
FAN SECTION
COIL SECTION
CUSTOMER INSTALLED
PLUG CONNECTOR
CONTROL PANEL
P
J
FAN MOTOR
4B1
DAMPER ACTUATOR
TRANSFORMER
1T1
2L2
24
25
40
ADAPTER BOARD / ECM ENGINE
TATSTDEILPPUSTSUCTATSTDEILPPUSTSUC
1U2 / 1U3
3U63U6
28 / 4
4
25
25
9431S1
J
4- 1
(
COM)
1U2 (RED)
C
h'ov
er
SW1
SW2
SW3 SW4
4B1
23A
20AD
J3-1 (24V-Y)
J3-2 (ST1)
E
lec .
H
t
Motor Voltage Cong.
P2-P6 Jumpered for
115V operation only
0- 10V C
OM
10VDC
1TB4 - VSP
1
Opt. Cust.
Analog Fan
Signal
ECM
Engine
Module (Blue)
(See Cong Label
On Panel Inside Lid)
20
20
J15
24VAC- Y
24
V
AC - B
BI1 - H BI2
-
M
BI3 - L BI4 - EH
1
BI5 - EH
2
CI1
-
RPM
C
I2 - R P M
AI
2
-Sens
AI2 - S ens
A1 1 - 1 0 VDC
A
I
1-
0
-10V
AO1 - P
W
M
AO- C O
M
A
O2-
P
WM
B
O1
BO1
A
I1 C OM
Set
J14QC
ECM
Engine
Module (Blue)
(See Cong Label
On Panel Inside Lid)
20
20
J15
24VAC- Y
24
V
AC - B
BI1 - H BI2
-
M
BI3 - L BI4 - EH
1
BI5 - EH
2
CI1
-
RPM
C
I2 - R P M
AI
2
-Sens
AI2 - S ens
A1 1 - 1 0 VDC
A
I
1-
0
-10V
AO1 - P
W
M
AO- C O
M
A
O2-
P
WM
B
O1
BO1
A
I1 C OM
Set
J14QC
1U3 (BLUE)
J12-2 (24V Y)
J12-1 (24V B)
4
6
1K4C
(opt)
1K4B
(opt)
1K4A
113A
114A
-J21-4
+J21-3
IMC
-J11-4
+J11-3
IMC
113A
114A
-J21-4
+J21-3
IMC
-J11-4
+J11-3
IMC
J20
FOR FACTORY
USE ONLY
1T1
24V
1J14-1 1P14-1
1J14-3
1J14-2
1J14-4
1P14-3
1P14-2
1P14-4
P6 P2
P8
P4
P3 P
5
P1
J4- 2
(P
WM
1
)
J4-
3
(RP
M1
)
1J17-1
1J17-2
1J19-1
1J19-2
1J19-4
1P18-1 1P18-2
1P18-4
1J18-1 1J18-2
P7
10
10
10
OpenV1
V1/Cool
OpV2/EH1
V2/Heat
OpenDP
Open DP
Med
Low
FIELD SUPPLIED
THERMOSTAT
24V
GND
6U3
1TB3
24V-Y
High
24V-B
1
11
2
3
4
5
6
8
10
7
9
13
12
Fan Spd Sw.
On
Hi
Med
Lo
O
J10- 5(
L
)
J
1
0-
4
(
M)
J10- 3(H)
J10- 2(24V- B )
If Tstat has "Fan" Output,
Disconnect center spade
wire from back of Speed
Switch and connect fan
output in its place
Disconnect center
wire from back of
fan switch if Tstat
damper output is
used
FIELD SUPPLIED
Fan
6U3
1S13
10
ELECTRIC HEAT RELAY
1K4
28
23A
20AD
J3-1 (24V-Y)
J3-2 (ST1)
E
lec .
H
t
1K4C
(opt)
1K4B
(opt)
1K4A
A,B
3
2
1
AJ
AW
5B
10E
5A
11D
11C
1TB1
1AJ
L1
2AW
L2
3A
SPLICE
L1
L2
L3
5HR1-3
9-11
L3
2L1L3L
L2
L1
L3
5S7
5HR1
5HR2
5HR3
5S6
5S5
5S5-7
9-11
A
D,E
D,C
10D
ELECTRIC HEATER ELEMENT
ELECTRIC HEAT CUTOFF
ATTACH
GROUND
GRN
SPLICE
MPLE
M
M
MP
P
P
P
MPL
PL
P
P
PL
M
M
M
M
SAM
SAM
4
B
1
AM
SA
SA
SA
P
6
S
SA
SA
P
2
P
8
PP
4
4
P
3
SA
SA
SA
SA
SA
SA
SA
SA
SA
S
S
S
S
SA
SA
S
S
S
S
JJ
44
-
S
S
S
S
SA
SA
SA
SA
SA
SA
SA
SA
P
7
SA
SA
SA
SA
SA
SA
O
O
pp
ee
n
V
11
O
p
V
2
/
EH
1
D
P
AM
AM
M
M
M
M
AM
M
AM
AM
M
e
dd
LL
oo
ww
AM
AM
M
A
2
4
V
H
i
g
h
M
M
M
M
M
M
M
M
2
3
4
5
66
8
1
0
77
9
M
M
M
M
M
M
M
M
M