Day: June 29, 2022

Equipment Pre-Start Walk-Around A. Review control panel lights, markings, and internal wiring. Look for jumpers across terminals and relays that may be blocked/jammed open. B. Review all safety interlock switch settings

How A Light-Off Sequence Works On a call for heat, the Burner Management System (BMS) checks the Low and High gas pressure switches, the proof of closure switch, and initiates the