The Lennox XC25 uses R-410A refrigerant. R-410A is a non-chlorine, ozone-friendly refrigerant that is becoming increasingly common in new HVAC systems. It is more efficient…
Category: Lennox XC25
The Y terminal located on the outdoor control allows the outdoor unit to be cycled ON and OFF using 24VAC inputs. The outdoor unit will…
OPERATION OF COMPONENTS: Electromagnetic compatibility circuit (EMC): EMC ensures the correct operation of different equipment items which use or respond to electromagnetic phenomena. It also…
OPERATION Pins 5 and 6 (No Sensor) There is no sensor located on positions 5 and 6 of the connector. A resistor installed between pins…
OPERATION: The outdoor control is a microprocessor-based device for use with variable-capacity compressors up to 5-tons in capacity operating on 24VAC residential power. The outdoor…
Electronic cabling and wires, by virtue of their lengthtowidth ratios, are perfect natural antennas. In the presence of highspeed microprocessor signals, cables will conduct, radiate,…
OPERATION: These units use an integrated control and motor that is programmed for variable-capacity operation. The fan speed is controlled by the iComfort Wi-Fi® thermostat.…
OPERATION: The line filter reduces the unintentional conducted emission from the equipment, to a level sufficient to pass regulatory limits (such as FCC part 15).…
OPERATION: Reactor (Inductor or choke) is a passive twoterminal electrical component that stores energy in its magnetic field. Reactors are one of the basic components…
OPERATION: Top Cap Thermal Sensor Switch (S173) Some units are equipped with a compressor-mounted normally closed temperature switch that prevents compressor damage due to overheating…