Universal 5 Ton Evaporator Relay Circuit Board 
With Temperature Display
Part# Qd-U12A

LCD backlight display, big screen, high quality
Interior power indicator for power button, easy to distinguish the main engine working state
5 Operating modes: Auto, Cool, Dry, Ventilation, Heat
4 Fan Speeds: High, Middle, Low, Auto
3 Sensors: coil pipe protection, precise temperature control, auto and efficient defrost
2 Air flow direction control modes: auto and manual.
Auto restart function
Negative ion control function
Auxiliary heating function
Prevent cold air in heating mode
Timer
Sleep Function
Outdoor fan controlled independently
Protective 3 minute time delay for compressor
Mandatory start in shut-down state.