Honeywell Programmer Control RM7840L1018, LHL-LF&HF Proven Purge

Safety features:

●Interlock check;

● Closed loop logic test;

●Dynamic AMPLI-CHECK™;

●Dynamic input check;

●Dynamic safety relay test;

●Dynamic self-check logic;

● Expanded safe-start check;

● High Fire Purge Switch test;

● Internal hardware status monitoring;

● Low Fire Start Switch test;

●Tamper resistant timing and logic;

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