There is no maintenance required. No cycling of the actuator is required although dampers should be tested per local codes.
Refer to the below schedule of codes and associated testing or commissioning frequency:
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Technical Support
USA/LATIN AMERICA
800-543-9038 technicalsupport@us.belimo.com
CANADA
866-805-7089 technicalsupport@ca.belimo.com
BRAZIL
+55 11 3643 5656 suportetecnico@br.belimo.com