DS 1.002 2 - 4 02/99
SPECIFICATION
Sensor Control Range: 10 to 35°C.
Sensing Element: Negative temperature coefficient thermistor.
Sensor Characteristics: Non-linear. See page 3 for table of resistance values.
Sensor Wiring: 2-wire low Voltage dc, non-polarised to controller.
Switch Rating: 2.5A 250Vac. Motor full load current.12A motor starting, 250Vac
Note: Manual switches suitable for choke controlled or capacitor controlled fan motors only.
Slide switch.
Terminals: Screw-type to accept one 2.5mm
2
wires.
Housing: Tough fire resistant plastic case and backplate. Protection class IP20.
Ambient Temperature Limits: -10 to 55
°C.
Associated Controller: CZU temperature controller. Refer to DS2.201 for details.
IAC controller. Refer to DS2.951 or DS2.801 for details. A look up table module should be used to offset the
control module RPW input by -10
°C if terminals A and B are used. If terminals A and C are used, set the control
module set value to 10
°C.
Type
Adjustable Scale
Number of Switch
Positions
Switch Position Switch Function
10 to 35°C
DRT 3801
•
2
0
1
OFF
ON
DRT 3851
•
4
0
1
2
3
OFF
LOW
MEDIUM
HIGH
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