Access the menu on the PSD111+: Move the Temperature switch to the off position and hold the up and down buttons simultaneously for 3 seconds, or until a menu appears.
- Press and hold the Up and Down button simultaneously at the TLMT selection.
- Press Up or Down to select the Heat limit, then press UP and DOWN simultaneously to set the Heat limit
- Press Up or Down to select the Cool limit, then press up and down simultaneously to set the Cool limit