AT4148
SPIKE SUPPRESSOR

 

Use the Spike Suppressor to protect a room thermostat from a lock up by a possible spike induced from field wiring when using a summer/winter automatic changeover from a system equipment.

Install the AT4148 white band side to the system equipment sending the open/close corresponding to Heat/Cool demand and the other side to the thermostat HEAT/COOL terminal.

 

 

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