Connecting The Calec® St Iii Standard - INTEGRA Metering CALEC ST III User Manual

Standard & smart multi-protocol heating and cooling energy calculator
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Installation
5.3.1
Connecting the CALEC® ST III Standard
Connect the meter according to schematic diagram on the inside of the front cover.
u
Upper row
Label
Function
6
2
Temperature
Hot side (2/4 wires)
1
5
9
Sensor power +3.6 V
11
GND #1
10
Pulse input #1
25
M-Bus B
24
M-Bus A
B11
Socket #1
Channel 1
A11
L, N
Main power supply
24 / 56
Wrong connections may destroy the device
The function and the marking of the terminals A11/B11 and A12/B12 depends on the options
installed in the device.
u
Carefully check the installed options and choose the correct connections.
Incomplete wiring of the temperature sensors
Incomplete wiring of the 2-wire temperature sensors may lead to false measurement results.
u
Always connect the 2-wire temperature sensors together with the four supplied wire
bridges.
NOTICE
NOTICE
Lower row
Label Function
8
4
Temperature
Cold side (2/4 wires)
3
7
86
Sensor power +3.6 V
55
GND #2
54
Pulse input #2
51
Digital out A
50
Digital out A
B12
Socket #1
Channel 2
A12
3-140-UM-EN-02

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