Connecting 2-Wire Temperature Sensors; Connecting 4-Wire Temperature Sensors - INTEGRA Metering CALEC ST III User Manual

Installation
5.3.3

Connecting 2-wire temperature sensors

Disconnect the CALEC® ST III from the power
u
supply.
Take off the front cover [}p. 20].
u
Connect the temperature sensor:
u
T terminals 1/2
l
hot
T terminals 3/4
l
cold
Connect the four wire bridges:
u
Between terminals 5/1
l
Between terminals 2/6
l
Between terminals 7/3
l
Between terminals 4/8
l
Close the front cover [}p. 20].
u
5.3.4

Connecting 4-wire temperature sensors

Disconnect the CALEC® ST III from the power
u
supply.
Take off the front cover [}p. 20].
u
Connect the temperature sensor:
u
T terminals 1/5 and 2/6
l
hot
T terminals 3/7 and 4/8
l
cold
Close the front cover [}p. 20].
u
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Incomplete wiring of the temperature sensors
Incomplete wiring of the 2-wire temperature sensors may lead to false measurement results.
Always connect the 2-wire temperature sensors together with the four supplied wire
u
bridges.
NOTICE
3-140-UM-EN-02