Maintenance
Before heating season and in the time of his duration there must be
checked the technical status of the wires in the ST-24 controller. The fastening
of the controller, cleaning up and dusting must be checked. It must be done the
measurement of motors’ earthing (pump and blow).
Connection diagram of controller cables
PE-
earthing (yellow and green)
N
-
neutral (blue)
L
-
phase (brown)
7