Aerco BENCHMARK 2500DF User Manual page 88

Benchmark 2500DF-3000DF Installation, Operation & Maintenance Manual
Ignition Switch Open During Ignition – Continued
5. Initiate a unit start sequence.
6. The unit should begin its start sequence and then shut down and display IGN SWITCH
OPEN DURING IGNITION.
7. Replace the wire on the Ignition Switch and press the CLEAR button. The unit should
restart.
AIR/FUEL VALVE COVER
(Rotate Counter-Clock-Wise
to Remove)
Page 88 of 234
05/21/2014
CHAPTER 6 – SAFETY DEVICE TESTING
BLOWER
PROOF
SWITCH
Figure 6-6: Air/Fuel Valve Cover Location
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
AIR/FUEL
VALVE
BLOCKED
INLET
SWITCH
OMM-0099_0A
GF-145