Jack of all trades, Master of a few.
boomanfoo posted an answer for this DeLonghi Trane 5t Rooftop Air Conditioner Ycy060g1m0ad:
"http://www.aimdocuments.com/iom/TRANE%20YSC%20RTU%20IOM.pdf this should help"
boomanfoo posted an answer for this Honeywell Focus 6300B 5-2 Days Programmable Thermostat Heater:
"It's one of two issues; either the wiring to the thermostat is incorrect, or possibly you..."