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17
CONTROLLER PROGRAMMING MENU
1) Make sure the unit has power .
2) Press the power button “OFF”.
3) Press the
following buttons in sequence “S-U-D-S”
(Select—Up arrow — Down arrow — Select)
4) The display will begin flashing P1 and a number.
If there is no
display, repeat the sequence,
making sure the unit has power, but is turned OFF.
5) To adjust any program feature, press the ARROW UP▲ or ARROW DOWN ▼ button
until the desired value is displayed.
6) Use the “MODE” button to scroll through the programmable settings P1 through P16.
7) If no buttons are pressed, the display will then return to the “OFF” position after about
50 seconds.
PROGRAM SETTINGS
P1—High Fan Speed Limit Setting. 56 - 85
P2—Low Fan Speed Limit Setting, 30 - 55
P4—Temperature Sensor Calibration, +/- 10°
P10— Temperature Display, °F or °C
P13—Supply Fan Operation, Cycling or Continuous
P15—Fan Motor Type Setting, PSC or Shaded Pole
P1, P2 - To adjust fan speed settings, P1 represents the high fan speed parameter, while
P2 represents the low fan speed parameter. When using nozzle kits, discharge duct
adapters and evaporator plenums, setting P1 to 85 will help to avoid freeze ups.
P4 - Adjust the P4 setting to match the actual INSIDE room temperature, if needed.
P10 - Use this parameter to display temperatures in the desired units.
P13 - To cycle the evaporator fan with the compressor, access code P-13. Press the up
or down button to switch to “CYC”, which means cycle the fan with the compressor. The
factory default setting is “CON”, which means continuous fan operation.
P15 - Fan Motors are PSC type, SC - should be selected.
8) Press POWER — you should see an alphanumeric code.
Press POWER and the unit will start at the new settings
FAN SPEED—The operator can select between AUTO or MANUAL fan speed con-
trol. Pressing the FAN SPEED button, will switch speed from AUTO to MANUAL. In
MANUAL mode, pressing the FAN SPEED button will change fan speed from low to high.
In AUTO mode, the fan speed is controlled automatically. In cooling mode, the controller
automatically adjusts the fan speed to high, and as the inside temperature approaches
the set point, the fan speed will reduce.
TEMP SELECT— Allows the operator to view the controller temperatures
INSIDE = return air temperature, DISCHARGE = supply air temperature,
SET POINT can be seen and adjusted, by pressing ▲ or▼.
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