Please Check all the following before start the unit:
•
The system has been connect hydraliclly as per the schematic
•
The system has been wired in accordance with the manufactures instructions.
•
Check that a adquately sized Expansion vessel is fitted to the system and Safety relief
valve.
•
Make sure a Filteration system has been fitted, that meets Grants requiremennt.
•
Make sure the system has been flushed correctly.
•
The system has been filled and vented and the correct Antifreeze protection level
achieved.
Please find below an illustration of the Grant Aerona 3 controller:
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