This rotary switch was developed by 475 to offer straightforward control of the LUNOS e2, e2-60, or ego.
Features
Simple 4-position rotary dial for each of the 4 ventilation settings
Easy to install and connect to LUNOS controllers
Aesthetically pleasing replacement for double-rocker switches
Decal simply illustrates flow rate at each knob position
Operation
Knob position: 12 o'clock = Off
Knob position: 1 o'clock = Low
Knob position: 2 o'clock = Med
Knob position: 3 o'clock = High
Rotating from Low to Med and back to Low again (within 3 seconds) will put the system into summer vent mode (ventilation without heat recovery). Repeat those actions to transition out of summer vent mode, back to heat recovery mode.