Absolute Boilers ABS 1500-2000-2500-3000-4000
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3.
Touch the Diagnostics test button, screen changes to the Modulating Test window
4. Press the Maximum Modulation button (High fire position), this will force the boiler into the High fire position.
Once in the High fire postion and stable conditions are reached check the following:
a. Check combustion (see table) for factory and field combustion limits
b. Adjust main flow (High fire) as necessary via shutter adjustment slotted screw ±
c. Measure breeching/vent draft condition
d. Check flame signal on operation overview window and observe flame condition via sight glass.
5. Press the Minimum Modulation button, this will force the boiler into the Low fire position Once in the Low fire
postion and stable conditions are reached check the following:
a. Check combustion (see table) for factory and field combustion limits
b. Adjust offset (Low fire) as necessary via Offset 2.5mm hex screw ±
c. Measure breeching/vent draft condition
d. Check flame signal on operation overview window and observe flame condition via sight glass.
Summary of Contents for ABS-1500
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