Instruction Manual ND IM 3 JAN 2017
Instruction Manual
IM ND 3 JAN 2017
Page 16
7 SETTING ENERGY SAVER OPTION ON ND-100 AND LARGER SIZES
1. Press and Hold the UPPER
“SELECT” and “↓” down arrow buttons for five seconds when “Unt”
appears on the UPPER display.
2.
Press “↓” three times to make ES appear on the
UPPER display.
3. Press “SELECT” and “OFF” will appear on the UPPER display
4.
Press “↑” to
select the desired Return Air
Temperature
at which the Energy Saver
function should engage. Press “ENTER” twice
to exit the menu.
5. If the Return Air Temperature is greater than or
equal to the Energy Saver functions set point
“EnG” will appear and the power to the UPPER
Heater will turn off. Note: Air will continue
flowing to the UPPER heater for five minutes
after the Energy Saver function engages to
ensure proper cooling of the heaters elements.
6. When Return Air Temperature falls below the
Energy Saver functions set point the UPPER
Heater will turn back on and if the air LOWER to
the heater was “OFF” the air LOWER will then
re-open. Note: If the Energy Saver function
cycles faster than every five minutes
compressed air will never turn off. To improve
energy savings lower the Energy Saver
functions set point to lengthen the amount of
time the UPPER Heater remains “OFF”.
To turn off the Energy Saver Option:
1. Press and Hold the UPPER
“SELECT” and “↓”
down arrow buttons for five seconds when “Unt”
appears on the UPPER display.
2.
Press “↓” three times to make ES appear on the
UPPER display.
3. Press “SELECT” and the Energy Saver function set point will appear on the UPPER display.
4.
Press “↓”
until the UPPER display reads “OFF”
5. Press “ENTER” twice to exit the menu.
To Monitor the Return Air Temperature
1. Press and Hold the UPPER “SELECT” and the LOWER “SELECT” buttons for five seconds.
2. After five seconds the Return Air Temperature will be displayed on the UPPER display. The
Return Air Temperature will remain displayed as long as the two “SELECT” buttons are
depressed.
3. Release the “SELECT” buttons and the UPPER display will return to the UPPER Heater
Temperature.
