User`s manual

WATLOW DIN-A-MITE Style C User's Manual
13
Fan-Cooled
ç
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1
∫
3
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Gain
Bias
Open
Heater
Limit
+
-
+
-
+
-
ALM
ALM
CT1
CT1
CT2
CT2
CT3
CT3
Adjustment
Potentiometers
Signal Alarm
4 5 6
1 2 3
Zone
1
Zone
2
Zone
3
ALM = Alarm
CT = Current Transformer
T1
T2
T3
Heater
Current
Transformers (CT)
CT
black
white
white
black
white
Neutral
3-phase, 3-leg Alarm, Shorted SCR and Open Heater Alarm
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NOTE:
Adjust the potentiometer
clockwise to increase the
current; counterclockwise to
decrease the current.
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1
WARNING:
Use National Electric (NEC)
or other country-specific
standard wiring practices to
install and operate the DIN-
A-MITE. Failure to do so may
result in damage to
equipment and property,
and/or injury or loss of life.
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3
WARNING:
Only authorized and qualified
personnel should be allowed
to install and perform
preventive and corrective
maintenance on this unit.
Failure to follow this
guideline could result in
damage to equipment, and
personal injury or death.
NOTE:
The shorted SCR alarm
option is not available with
phase angle units.
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1
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3
3-phase, 2-leg Shorted SCR Alarm
(Model DC2 _ - _ _ [C, F, K, S] _ - S _ _ _ )
(Model DC3 _ - _ _ _ _ - S _ _ _ )
T1
T2
T3
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Gain
Bias
Open
Heater
Limit
+
-
+
-
+
-
ALM
ALM
CT1
CT1
CT2
CT2
CT3
CT3
Adjustment
Potentiometers
Signal Alarm
4 5 6
1 2 3
Zone
1
Zone
2
Zone
3
ALM = Alarm
CT = Current Transformer
Heater
Fan power required
24 VÎ (dc)
120 V~ (ac)
240 V~ (ac)
(customer supplied)
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1 2 3
4 5 6
Signal Alarm
Gain
Bias
Open
Heater
Limit
+
-
CT1
CT1
Adjustment
Potentiometers
Zone
1
Zone
2
Zone
3
L1
L2
L1
L2
Phase to neutral
100 VÅ (ac)
and above
Phase to phase
200 VÅ (ac)
and above
24 VÎ (dc)
Red wire (+)
Black wire (-)
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1
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3