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DEVIreg™ 850 IV
Ground system
Melting temperature
Changing the melting temperature will affect when the system is activated in case of
moisture and low temperatures.
The factory setting is 4 °C.
This means that the heating system will be activated if the temperature falls below 4 °C
and moisture is detected.
Standby temperature (maintained ground temperature)
The higher the standby temperature the faster the system will be able to melt ice and
snow. On the other hand the higher the standby temperature the higher the running
costs. So, determining the standby temperature is a trade-off between fast melting or
low running costs.
The factory setting is –3 °C.
Moisture level
The "moisture level" decides when the system detects moist.
The factory setting is 50 (on a scale from 5 to 95).
The lower the setting, the more sensitive the system is to moisture.
Post-heat
Once the sensor has detected that the roof/gutter is dry and free of ice and snow the
system will keep heating for another hour (default). If you wish to increase/decrease this
time see Appendix A: Installer menu.
The factory setting is 1 hour (on a scale from 0 to 9 hours)
Priority
When using the DEVIreg™ 850 as a dual or combi system, it is possible to prioritize the
systems. When the priority of 2 systems is equal, both systems can heat at the same time.
If the priority of the 2 systems differs, and both systems want to heat, only the system
with the highest priority is allowed to heat.
The factory setting is 1 (highest priority) for all systems.
Clogged drain
It is possible to enable and disable the "Clogged drain warning".
The factory setting is "Warning On".
System and sensor name
It is possible to change the names of the system and connected sensors.
Installation instruction
9
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