Setting The Display Contrast; Resetting To Factory Default - heat-timer EPU-D Installation And Operation Manual

Setting the Display Contrast
1. At the default screen, press and hold the left‐most button for
3 seconds or more. Continue to hold the button while making
adjustments.
2. Use the up and down buttons to change the contrast setting
(0–30, default = 20).
3. Release the left‐most button when the desired setting is reached.
Resetting to Factory Default
To set the EPU‐D back to its original factory default settings:
1. Remove power from the EPU‐D.
2. Press and hold the two right‐most buttons on the EPU‐D while
powering the control on.
3. Release the buttons when instructed to do so on the display.
A message displays stating the operating parameters are reset, and then the EPU‐D will go to the Startup
menu (see "System Startup Menu" on page 20).
Heat‐Timer Corp.
EPU‐D Display and Programming 25
059840‐00 Rev. A