EXCEL 100C INSTALLATION INSTRUCTIONS
EN1R-0144GE51 R1105A
46
EUROPEAN SPECIFICATIONS
Electrical Connection of Sensors
Sensors and Transmitters
A
Type of connection for sensors
1.) PT 1000 / I (-58°F to +302°F) (-
50°C to +150°C)
2.) NTC sensors 20 k
Ω
Example:
Room temperature sensor RF 20
Inlet temperature sensor VF 20 A
External temperature sensor AF20
B
Type of connection for active
sensors with standard output signal
0 to 10 V
Example:
Humidity sensor HKT 1, HRT 1
C
Type of connection for active
sensors with standard output signal 0
(4) to 20 mA to be clamped down with
a connector resistor R1 499
Ω
/
0.25%
Example:
Immersion temperature sensor VF
100
Air duct temperature sensor LF 100