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JKSSS+ Series
7.4 - TCB Diagram
Fuses
F1: Control Fuses for TB1 1 - 9
F2: Contactor and relay output fuses
F3: TB2 Pin #6
{
Line
120VAC
Neutral
Delayed Start
Fuse Blown/
Disconnect Open
Dual Ramp
Bypass Status
CPU (AUX1) Fault
At Speed
Fuse Blown/
Disconnect
Interlock Input
External Overload
Bypass Aux Contact
Bypass
Coil
Main
Coil
Part #ACG1A250VAC or equivalent
Part #ACG4A250VAC or equivalent
Part #ACG4A250VAC or equivalent
E1
E3
E4
E2
T1
HEATSINK
Green
LED
1
2
-12V
3
Green
LED
4
5
+12V
TB6
6
7
ON
OFF
8
SW1
9
DUAL ADJ
10
1
Run
2
3
TB7
4
5
6
7
1
2
3
TB8
4
7 6
5
4 3 2
1
5
6
PFC
{
7
8
{
9
10
Customer Provided
Momentary or Maintained
Start / Stop Switching
START
Momentary
12
11
10
Red
9
LED
8
FUSE
7
TB1
Red
6
LED
5
FAULT
4
3
2
1
F1
10
9
F2
8
7
F3
6
5
TB2
4
Green
3
LED
2
START
1
12
JP1
11
Remove JP1 for electronic
10
motor overload protection
during emergency
9
bypass operation
8
7
TCB
TB3
6
BOARD
5
4
3
2
1
12
Green
11
LED
10
PFC
9
TIMED
7
6
5
4
3
2 1
7 6
5 4 3
2 1
OUT
8
7
TB4
AUX
START
6
5
4
Green
LED
3
2
DELAY
TIMED
1
OUT
Maintained
STOP
Aux Start
Output
120 VAC
AC
Neut
Neutral
Start
Stop
Inter
Optional
Lock
Interlocks
Inter
Lock
120 VAC
AC
Source
Source
FACTORY WIRED
DO NOT USE
Emergency Bypass
AUX Contacts
Emergency Bypass
Full Voltage Start
2.3 - 4.2KV
JKSSS+ Series - 85
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