7.3.5
First Outs Interlock
The First Outs can be directly and automatically connected to the stat circuit on the Autoflame Flame
safeguard unit without the need to physically connect the First Outs to terminal 53 on the MM.
The table below shows the settings which must be set for First Out Interlock.
For Option 145 setting 1 (Enabled), once a First outs has been detected a lockout will occur.
Any unused inputs need to be tied to mains level, as you can’t disable these inputs, like you can with the First Outs
on their own.
First Out Interlock only allows the First Outs to be configured as:
• Non-recycle or recycle
• Active low
The First Out Interlock function is UL approved.
Figure 7.3.5 i First Out Interlock Enabled
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