23Instruction for use | Supercal 5
For installing the heat meter and the associated subassemblies, the general regulations,
according to EN1434-Part 6, must be observed.
5.2 Opening the Calculator
To connect the inputs and outputs, remove the calculator cover.
5.3 Wiring
Overview of the connections:
5. Wiring
5.1 Wiring Requirements
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Terminal Designation Description
Inputs
5, 6
2-wire technology Temperature high
1, 5 and 6, 2 4-wire technology
7, 8 2-wire technology Temperature low
3, 7 and 4, 8 4-wire technology
10
11 (-)
50 Pulse inputs
51 (-) pulse input additional pulse input 1
52
53 (-) pulse input additional pulse input 2
Outputs
16
Energy-, volume- or tariff counter
17 (-) open-collector outputs 1
18
(-) open-collector output 2
M-Bus
24 M-Bus (polatity independent)
Embedded M-Bus
25 M-Bus (polarity independent)
Danger due to electrical voltage!
The entire electrical system must be voltage-free.
Additional Electrical Information
Before commissioning, ensure the supply voltage conforms to the information in the nameplate.
Provide a suitable switch or circuit breaker in the building installation. This switch must be installed easily
accessible near the device and marked as a disconnecting device.
Overcurrent protection (<= 10A) must be installed in the mains cable.
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