York LX series User Manual

Page 32
Press all three
buttons in the order
outlined above for
keypad lockout
Locking/Unlocking the Keypad
To prevent unauthorized use of the thermostat, the front panel buttons may be
disabled. To disable, or ‘lock’ the keypad, press and hold the MODE button.
While holding the MODE button, press the WARMER and COOLER buttons
together. The icon will appear on the display, then release the buttons.
To unlock the keypad,
the MODE button, press the WARMER and COOLER buttons together.
The icon will disappear from the display, then release the buttons.
press and hold the MODE button. While holding
MODE
I
Am
Outdoor
COOL SET
HEAT ETS
2:00
78
74
68
85
MO
Installer Setup

York LX series Specifications

General

Refrigerant	R-410A
Series	LX
Cooling Capacity	1.5 to 5 tons
Warranty	10-year limited warranty
Sound Level	As low as 72 dBA (depending on model)