Tjernlund Products 950-0014 Timer/Relay 318518-761 How do I switch between

How do I switch between manual and auto reset

you need a replacement sheave that holds its settings under load

What is the adjustment range for this model

or a draft inducer motor that is not reaching full RPM

Tjernlund Products 950-0014 Timer/Relay 318518-761 How do I switch betweenThe Tjernlund Products 950 0014 Timer Relay is a critical field service component engineered for precise ventilation post purge control in side wall venting applications. Designed specifically as a direct replacement for GPAK JT, VP 2F, and VP 3F systems, this non adjustable solid state logic board manages the extraction of residual combustion gases by maintaining blower operation for a fixed 45 second delay after the appliance burner cycle ends. This