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SPECIFICATIONS
Load Output Relay:
Full Load Amps NC & Load
Locked Rotor Amps NC & Load
Non-Inductive Amps NC & Load
Horsepower NC & Load
24 VAC NC & Load
Pilot Duty NC & Load
• Minimum Load Rating: 1 Amp @ 24 VAC
• Note: the above minimum current/voltage is specified
to assure proper operation.
NOTE: For use on single phase circuits only.
Alarm Relay Ratings (Maximum):
N.O. contact: 1 Amp, 5 to 24 V, AC or DC
Temperature Probes:
NTC
The control is shipped with an NTC (Negative Temperature
Coefficient) sensor, with a cable length of 7½ feet. Cable
length can be extended up to 400 feet by appropriately splic-
ing and adding additional cable (22 AWG or larger diameter)
Temperature
Resistance
(°F)
(°C)
-40
-40
328.29
-31
-35
236.83
-22
-30
172.90
-13
-25
127.65
-4
-20
95.23
5
-15
71.74
14
-10
54.56
23
-5
41.85
32
0
32.37
41
5
25.23
PTC
The control may be connected to an existing PTC (Positive
Temperature Coefficient) sensor. Make sure the PTC sensor
meets the specifications tables below. Failure to do so will
result in temperature inaccuracies. The PTC input may not be
Temperature
Resistance
(°F)
(°C)
-40
-40
-31
-35
-22
-30
-13
-25
-4
-20
5
-15
14
-10
23
-5
32
0
41
5
Ratings (Maximum):
120VAC 208VAC 240VAC
16 A
9.2 A
96 A
55.2 A
16 A
16 A
1 hp
1 hp
100 VA, 30 VAC Max (Class 2)
125 VA, 24 to 240 VAC
NTC TEMPERATURE VERSUS RESISTANCE TABLES
Temperature
(KΩ)
(°F)
50
59
68
77
86
95
104
113
122
131
PTC TEMPERATURE VERSUS RESISTANCE TABLES
Temperature
(KΩ)
(°F)
613
50
640
59
668
68
697
77
727
86
758
95
789
104
822
113
855
122
889
131
Operating Ambient Ratings (Control Enclosure):
Operating Temperature:
8 A
Storage Shipping Ambient Ratings:
48 A
Storage Temperature:
16 A
Operating Humidity:
1 hp
Maximum Dew Point:
Temperature Set-Point Range:
Set-Point Range: -40° to 220°F (-40° to 104°C)
Differential Range:
Case:
NEMA 1 Enclosure, Flammability Rating: UL94VO
as needed – polarity is not important. When extending cable
length, verify temperature accuracy and use the menu Ambi-
ent Temperature Offset (OFS) settings to compensate accord-
ingly if required.
Resistance
(°C)
(KΩ)
10
19.82
15
15.67
20
12.48
25
10.00
30
8.07
35
6.55
40
5.34
45
4.38
50
3.61
55
2.99
extended more than 50 feet, and the wire gauge should be
18 AWG wire or larger diameter. Be sure the probe attached
matches the resistance vs. temperature tables or temperature
inaccuracies may occur.
Resistance
(°C)
(KΩ)
10
924
15
960
20
997
25
1035
30
1074
35
1113
40
1153
45
1194
50
1236
55
1279
-29°F to 140°F (-34° to 60°C)
-40°F to 185°F (-40° to 85°C)
0 to 95% Relative Humidity,
Non-Condensing
85°F (29°C)
1 to 30 (Degrees F or Degrees C)
Temperature
Resistance
(°F)
(°C)
(KΩ)
140
60
2.49
149
65
2.09
158
70
1.76
167
75
1.48
176
80
1.26
185
85
1.07
194
90
0.92
203
95
0.79
212
100
0.68
221
105
0.59
Temperature
Resistance
(°F)
(°C)
(KΩ)
140
60
1323
149
65
1368
158
70
1413
167
75
1459
176
80
1506
185
85
1554
194
90
1602
203
95
1652
212
100
1702
221
105
1753
7
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