Xylem MM 283D Guard Dog Series 751P and Series 752P Probe Type Low Water Cut-Off - Manual (Page 2)

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When a low water condition occurs the burners turns off
and Red LED begins to blink. When the water level is
restored to a level above the probe within 30 sec, the
boiler will return to the normal operation. If the water
level remains in low condition, control will go to a low
water condition and Red LED will be solid Red.
Lock Out Delay Lock Out Delay
When a low water condition occurs the burners turns off
and Red LED begins to blink. When the water level is
restored to a level above the probe within 30 sec, the
boiler will return to the normal operation. If the water
level remains in low condition, control will go to a low
water condition and Red LED will be solid Red.
On Manual Reset Units, if the control is in low water
condition (water is off the probe) and there is a sudden
power interruption, the control will remain in low water
condition (Burner Off) even if the power is restored. The
Reset Button must be depressed to make the control
back to function, after the water level is re-established
to the probe.
Manual Reset units follow CSD-1 Code Compliance.
On Manual Reset Units, if the control is in low water
condition (water is off the probe) and there is a sudden
power interruption, the control will remain in low water
condition (Burner Off) even if the power is restored. The
back to function, after the water level is re-established
to the probe.
Reset Button must be depressed to make the control