AC•THOR
®
/ AC•THOR
®
9s Operating instructions, version a0020806
47
Without a temperature sensor, the AC
•
THOR will not switch off. This must then be done by
the external signal source or by switching off by thermostat!
Control by potential-free contact
The AC
•
THOR can also be operated rigidly with maximum power via an external signal.
Use shielded twisted pair wire!
RTU bus must be equipped with a 120 Ohm termination resistor!
(Not included in the scope of delivery)
When controlling via Modbus RTU, the operating mode M7 cannot be used!
Internet access is required!
Display - Settings - Factory settings:
Check for new firmware: Start check for new updates manually. When a new version is available, it
will be stored on the SD card. This procedure takes several minutes. The AC•THOR will operate
normally during this period.
Start firmware update: if a newer software version is present on the SD card, the update can be
started manually. After the update, the unit will be restarted automatically.