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JKSSS+ Series - 22
JKSSS+ Series   
 
 
 
 
           
            
   2.3 - 4.2KV
2.10 Control Connections - TCB (Terminal and Control Board)
THIS SECTION INVOLVES
POTENTIALLy LETHAL VOLTAGE
LEVELS! USE ExTREME
CAUTION TO PREVENT INjURy.
 
Do not bypass the electrical or mechanical
interlocks.  This will cause severe equipment 
damage and possible fatal injury.
2.10.1 JKSSS Plus-TCB Board
 
The JKSSS Plus-TCB board provides 
 
interconnections between the main power and 
CPU boards and the customer’s control logic 
connections. It is a 120Vac control board with 
several auxiliary dry control contacts, built-in 
time delay circuits and emergency bypass func-
tions. It also controls the sequence of the inline 
isolation and bypass contactor and provides 
provisions for shutdown interlocks. (see section
2.10.2)
2.10.2 Description of Terminal Connections
Start/Stop Control - Terminal Block 1 (TB1) :
•   
Positions 1 and 9 are the 120 Vac control power.
•  
Positions 2-3 and 4-5 are factory jumpers 
installed and can be removed for customer’s 
normally closed, dry, shutdown contacts (See 
Fig. 2-1 above).
•  
Positions 6-7-8 are for either two wire or three-
wire start/stop logic. Two wire is connected to 
positions 6 and 8 with a N.O. dry, maintained 
start/stop contact. Three wire control connects 
to 6 with 7 as the stop push-button, and the start 
push-button is connected to 7 and 8.
•  
Positions 10-11-12 is a dry FORM C contact.  
The contact is an immediate start/stop contact.
TCB (Terminal and Control Board)
Figure 2-2
(See page 85 for larger version)
Start/Stop Control
Figure 2-1
C
4
6
A1
A2
Main
Coil
10
9
A2
A1
Bypass
Coil
8
7
PFC
TB 4
TIME D
OUT
S TAR T
AUX
DE L AY
G reen
LE D
NO
T
ime Delay
1
C
2
4
3
C
NC
5
6
NO
C
NC
BOAR D
Bypass Aux Contact
4
5
E xternal Overload
Fuse Blown/
Disconnect
Interlock Input
3
2
1
5
7 6
1
4 3 2
TB 8
AUX-S
PFC-S
PFC-C AUX-C D
LY
-C
D
LY
-S
TB 7
6
7
At S peed
4
5
Bypass S tatus
DUA L ADJ
CPU (AUX1) Fault
R un
1
3
2
10
ON
TB 6
Dual R amp
9
8
7
Fuse Blown/
Disconnect Open
6
5
OFF
S W1
J P 1
R emove JP1 for electronic
motor overload protection
during emergency
bypass operation
+12V
Lock Out
NO
OUT
TIME D
P FC
5
3
4
6
7
7 6
2 1
2 1
5 4 3
LE D
G reen
P
.F
.C. CA
P
7
8
9
NC
NO
12
10
11
C
NC
NO
2
1
C
NO
3
4
C
NC
TB 3
TCB
S TAR T
10
7
5
6
C
NC
8
9
C
Fault
NC
NO
11
12
NO
NC
2
1
NO
C
120VAC
Delayed S tart
Neutral
3
2
HE ATS INK
Line
1
-12V
LE D
G reen
LE D
G reen
HE
A
TSINK
T1
E 2
E 1
E 4
E 3
Inter
F2
LE D
G reen
TB 2
F3
F1
8
4
5
3
NO
NC
6
7
S
C
N
9
10
NC
NO
2
1
S ource
AC
Lock
TB 1
FAULT
FUS E
LE D
R ed
LE D
R ed
8
5
4
3
Lock
Inter
6
7
S tart
S top
NO
9
10
 Neut
AC
C
12
11
NC
Maintained
Momentary or Maintained
S tart / S top S witching
Momentary
S TOP
S TAR T
120 VAC
S ource
120 VAC
Neutral
E mergency B ypas s
AUX Contacts
E mergency B ypas s
Full Voltage S tart
Optional
Interlocks
{
{
{
FAC TOR Y WIR E D
DO NOT US E
F1: Control Fus es  for TB 1 1 - 9
Part #ACG 1A250 VAC or equivalent
F2: Contactor and relay output fus es
Part #ACG 4A250 VAC or equivalent
F3: TB 2 Pin #6
Part #ACG 4A250 VAC or equivalent
Fus es
C us tomer Provided
Aux S tart
Output
    WARNING