What happens if there is a sensor fault at the condenser outlet in Viessmann PLC VITOCAL 350-HT PRO?
If there is a faulty temperature sensor at the condenser outlet of your Viessmann Control Unit, the system will switch off.
What happens if the primary flow rate is too low in a Viessmann Control Unit?
If the primary flow rate (heat source) is too low in your Viessmann Control Unit, the system will switch off.
Why should I replace the PLC battery in my Viessmann PLC VITOCAL 350-HT PRO?
If the SPS (PLC) battery of your Viessmann Control Unit is almost or completely drained, it must be replaced. If there is a power failure, the specified set values may be lost.
What causes a low pressure shutdown in a Viessmann PLC VITOCAL 350-HT PRO Control Unit?
If the low pressure application limit has been undershot in your Viessmann Control Unit, the system switches off.
What causes a high pressure shutdown in a Viessmann PLC VITOCAL 350-HT PRO?
If the high pressure application limit is exceeded in your Viessmann Control Unit, the system will switch off.
What happens if the casing temperature is too high on a Viessmann Control Unit?
If the casing temperature exceeds the alarm value in your Viessmann Control Unit, the system will switch off.
General| Brand | Viessmann |
|---|---|
| Model | PLC VITOCAL 350-HT PRO |
| Category | Control Unit |
| Language | English |
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