How to Adjust Room Temperature Set Point if Using Manual Charge Control
Manual charge control - The right indicator light will not be illuminated. With manual charge control, the user regulates the amount of heat stored in the heater's brick core in relation to outdoor temperature.
Press and hold the M button until a green bar appears on the MODE digit of the control panel face plate to indicate room setting can be adjusted. The room temperature set point will appear on the TEMPERATURE digits of the face plate.
Press the up arrow button or the down arrow button to adjust the room temperature set point. The face plate will automatically return to displaying current room temperature after making an adjustment.