No. The SC-40C satellite contactor does not use a snow sensor, it is primarily controlled by the attached APS-4C control panel. A manual heater cycle of the SC-40 satellite contactor can be initiated from its front panel or from an optional RCU-4 remote control.
Unable to locate the data sheet for the RCU-4 and RCU-3. Would you pleease attach to the e-mail address below.
Regards,
Fred
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