Can anyone direct me to an owners manual for the older Breckwell P2000fs The serial #10754 i have no idea what year but ,i sure by the serial one of you could let me know. What i really need would be a picture of the control panel side with door open so i could see the wiring of the air sensor and the thermo switches,when i bought it the previous owners had all of this disconected any help would be greatly appreciated. thanks