Watlow Series 94 - Manual (Page 13)

W a t l o w S e r i e s 9 4 I n s t a l l a n d W i r e ■ 2 . 7
Wiring Example
Figure 2.7 - System wiring example.
1
120Å (ac)
L1 L2
2
3
5
4
5
1 2
1
(+)
(-)
3
12
13
14
2
1CR
15
1
2
3
4
7
8
9
10
11
11
3
5
DIN-a-mite
DA10-24C0-0000
16
1 8
Heater
2
6
1
5
1 CR-1
9 2
9 10
(+) (-)
12
5
6
Limit Controller
Series 93
93BB-1CA0-00RR
Temperature Controller
Series 94
94BB-1DA0-00RR
12
9
12
10
8
3 4
6 7
10 11
11 94AA-1DA0-00RR
1 Not used
2 S1
3 S2, TC+
4 Not used
5 S3, TC-
6 not used
7 not used
8 N.C.1
9 COM.1
10 N.O.1
11 L1
12 L2
5 -
DIN-a-mite
DA10-24C0-0000
1
Coil
9 (+)
10 (-)
High Limit
Mechanical
Controller
Heater
94BB-1DA0-00RR
Limit Controller
Limit Sensor
Process Sensor
93BB-1CA0-00RR
Rear View
5 (-)
3 (+)
11 12
Fuse
Earth Ground
L1
L2
120VÅ (ac)
11 12
9
3 +
10
2
3 4
6 (-)
5 (+)
Install and Wire
NOTE:
Successful installation
requires four steps:
• Choose the controller’s
hardware configuration
and model number
(Appendix);
• Choose a sensor
(Chapter Two and
Appendix);
• Install and wire the
controller (Chapter Two);
• Configure the con-
troller (Chapters Three,
Four and Five).
NOTE 3:
Output is in open state in
Alarm Condition.
NOTE 1:
Switching inductive loads
(relay coils, solenoids,
etc.) with the mechanical
relay, solid-state relay
output options requires
use of an R.C. suppres-
sor.
Watlow carries the R.C.
suppressor Quencharc
brand name, which is a
trademark of ITW Paktron.
Watlow Part No. 0804-
0147-0000.
Ó
WARNING: To avoid dam-
age to property and equip-
ment, and/or injury or
loss of life, use National
Electric Code (NEC) stan-
dard wiring practices to
install and operate the
Series 94. Failure to do
so could result in such
damage, and/or injury or
death.
See note 3.