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MODEL
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SPECIFICATIONS
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TH1-Z21-1
Temperature Control System
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Power: 120VAC
Output: Isolated tab triac
Load: 150W minimum resistive @ 120VAC
Sensor: NTC thermistor 500Kohm @ 25° C (Use P/N 223-40050)
Range: 300 to 460° F
Control: On/off
Sensor fault protection: Turns off if sensor opens or shorts
Environment: -20 to +80° C
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TH1-Z26-14
Temperature Controller
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Power: 120VAC
Output: Isolated tab triac
Load: 300W maximum resistive @ 120VAC
Sensor: NTC thermistor 500Kohm @ 25° C (Use P/N 223-40041)
Range: 200 to 400° F
Control: on/off
Environment: 0 to +45° C
Other: 2-way tab adaptors supplied allow both load and load lamp to be
connected simultaneously
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TH1-Z28-1
Blower Controller
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Power: 120VAC
Output: Shaded pole blower motor 4.75A max
Load voltage: Adjustable 115 and 50VAC @ nominal line voltage
Sensor: Thermostat
Control: on/off
Remote shutdown: Contact closure starts blower. Open contact stops blower
Summer switch: Full CCW rotation of control knob overrides control circuit
and allows blower to operate continuously at full speed
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TH1-Z49-1
Relay Output
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Power: 12VDC
Output: 10A SPST relay
Control: On/off 1° F hysteresis
Sensor: NTC thermistor 30Kohm @ 25° C
Range: 125 to 350° F
Set pot: Remote 10ohm with local trim to calibrate controller to direct
reading dial
Sensor fault protection: Control output de-energizes if sensor opens or
shorts
Set point accuracy: ± 5% of direct reading dial span
Stability: ± 1° F
Environment: 32 to +150° F
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TH2-Z7-18
Two-Output Controller (Grain Dryer)
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Power: 120VAC 50/60Hz
Outputs: 3A @ 120VAC
Control: On/off, 1° F hysteresis
Set Point: Remote set pot 1Kohm Harness Assembly (P/N 220-20028)
Differential: Adjustable differential between the two outputs down to zero
(Factory set at zero)
Dead band: Field adjustment of high output to low output from 0 to 10° F
Range: 80 to 150° F
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TH3-Z10-2
3-Point Temperature Controller
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Power: 28VAC
Output: 15mA
Load: SSR
Sensor: Pt RTD 100ohm
Range: 200 to 400° F
Control: Proportioning
Set point stability: ± 0.5° F
Sensor fault protection: Turns off if sensor opens or shorts
Alarm: High and low alarms to track and switch @ 2° F above and below the
set point
Alarm output: Drives 3.6V 30mA LED with built in current limiting resistor
Environment: 80 to +150° F
Output lamp: PC mounted LED indicates when control output is on
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TH3-Z11-100
Three Output Temperature Controller System
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Power: 28VDC
Output: 20mA max on all three outputs
Control: Proportioning
Range: 80 to 180° F
Calibration point: 130° F (mid range)
Alarm points: High alarm fixed at 15° F ± 1° F above set point. Low
alarm fixed at 5° F ± 1° F below set point.
Alarm output modes: Outputs turn off at respective points
Sensor: Balco RTD 676ohm @ 77° F
Size: 2.75 x 2.5in (PC card)
Mounting: 4 each 1.5in standoffs on 2.25 x 2.5 centers
Terminals: ¼ fast on. 3-pin connector for remote pot
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TH3-Z67-1
Three Point Temp Switch
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Power: 24VAC
Outputs: One 3A relay SPST @120VAC, Two 1A relay SPST @ 24VAC,
Range: Output 1: 50-200° F, Output 2: 7-position selector 115 to 205° F,
Output 3: 5° F
Accuracy: ± 4° F of span
Control: On/off
Sensor: NTC thermistor 10K ohm @ 77° F
Sensor protection: Sensor open or short will de-energize relay outputs
Signal output: 0-2.0VDC
Process meter supply: 5VDC @ 200mA
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