Water Pump Control
When a circuit is active (in Comfort, Economy, Antifreeze mode), the associated pump in the “Circuit Water Pump Management” section is switched on:
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The way these inputs are interpreted, depends on the setting of parameter P. Twin/P. Twin Blk NC.
Note
It is possible to achieve the same result by inverting the digital input Water Pump A Input Block: select REG / IA1 instead of REG IA1, as indicated in the example.
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For 3-point valves it is possible to consider a shut time to be set on Configuration Page 2, after that the closing relay is also released:PHOTO TBD
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So if the shut time is 60 120 seconds, after this period both the open and closed valve relays will be open, so no more current will flow to the valve.
For both valves, a dead band can be considered, which is always set in Configuration 2:
PHOTO TBD
The dead band (delta K) is a range within which no corrections are made to the PID output, essentially ignoring the error. If it is = 0, it is not taken into account.
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Once the overheating alarm is reached, it is not enough for the circuit probe to cool down, the system must also be switched off and on again!
PHOTO TBD
The indicated times are added together, so if 10 seconds is entered for each, if within 30 seconds the temperature does not fall below the maximum allowed, the system will signal an overheating alarm for circuit x.
Warning
The overheating alarm also occurs if the same circuit is called upon to work in both heating and cooling mode at the same time.
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68 to 95 are the same for circuits 2 to 8.
PHOTO TBD
AVAILABLE ANALOGUE OUTPUT
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is the same for circuits 2 to 8.
PHOTO TBD