Watlow 97 series, User Manual

Page: 14 / 89

3 . 4
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W i r i n g Wa t l o w S e r i e s 9 7
Wiring Example
Figure 3.4 - System wiring example.
1
120V Å (ac)
L1
L2
2
7
6
4
5
1 2
1
2
(+)
(-)
3
13
20
14
15
16
17
2
1CR
18
high-temperature light
1
2
3
4
8
9
10
11
12
R
19
1
8
(+) (-)
1 CR-1
9
10
2
15 13
6 7
9 8
5
6
7
Series 96
96A0 - CAAA - 00RR
Temperature Controller
Series 97
97A1-DDAA-00RR
Limit Controller
13
14
15
16
6
9 8
1
3
7
(+)
(-)
Heater
DIN-a-mite
DA1C-1624-C000
L2 L1
T1
T2
11 12
1
17
96AO-CAAA-OORR
rear view
6 (-)
7 (+)
8
15 (+)
13 (-)
L1
L2
120V Å (ac)
fuse
97A1-DDAA-00RR
Limit Controller
process sensor limit sensor
optional
normally open
momentary switch
high limit
mechanical
contactor
7 (+)
6 (-)
high
temperature
light
coil
9
Heater
DIN-a-mite
DA1C-1624-C000
L2 L1
T1
T2
10
8
1
2
3
4
5
6
7
13 14 15
11
12
16 17 18
19 20 21
9
10
8
1
2
3
4
5
6
7
13 14 15
11
12
16 17 18
19 20 21
9
1
3
14 15
17
9
16
∫ç
WARNING:
To avoid potential
electric shock and
damage to property and
equipment, use National
Electric Code (NEC)
safety practices when
wiring and connecting
this unit to a power
source and to electrical
sensors or peripheral
devices. Failure to do so
could result in injury or
death.
ç
WARNING:
Install high or low
temperature limit control
protection in systems
where an over
temperature fault
condition could present a
fire hazard or other
hazard. Failure to install
temperature limit control
protection where a
potential hazard exists
could result in damage to
equipment, property and
injury to personnel.