AERCO BMK 6000 Dual Fuel - Manual (Page 91)

Benchmark 6000 DF Installation, Operation & Maintenance Manual
CHAPTER 6 – SAFETY DEVICE TESTING
OMM-0096_0B AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 91 of 219
GF-141
Ph.: 800-526-0288
03/21/2014
Blocked Inlet Switch Test – Continued
6. Cover the combustion air inlet opening with a solid, flat object, such as a piece of thick
plywood or thick metal plate.
7. The unit should shut down and display AIRFLOW FAULT DURING RUN. This step
confirms proper operation of the Blocked Inlet Switch.
8. Remove the cover from the air inlet opening and reinstall the Combustion Air Duct or air
filter.
9. Remove the jumper wires installed in step 2 and replace the black connector boot on the
Flame Detector.
10. Press the CLEAR button. The unit should restart.
Figure 6-6: Boiler Top View Showing Air Inlet Location
Exhaust
Manifold
COMBUSTION
AIR INLET
(Combustion Air
Duct removed)
HOT WATER
OUTLET
FRONT REAR