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920-087-02 (9-03)
C. Standard Unit Operation
Rotate the temperature dial in small increments in the
warmer or cooler direction. Moving the dial more than
1/4" at a time may overcompensate and result in an
extreme hot or cold situation.
• If a remote thermostat is installed, see Appendix A,
page 18-20.
Operation
Control
Temperature
Low and High Cool
Low and High Heat
Fan Only
Rotary Switch Operation
The full-range thermostat maintains room
temperature at the desired setting in both
the heating and cooling modes. Turn the dial
counterclockwise for warmer and clockwise
for a cooler temperature.
Operates the unit on cooling. Cooling will not
begin if the room temperature is below 60°F.
Operates the unit on heating. Some models
do not provide this selection.
Circulates air within the room at high fan
speed only. No heating or cooling functions
are active.
Remove
knobs
Control panel
Adjustment
limiting
screws
1. Set the thermostat knob to center of dial.
2. Remove the four screws holding the control panel. Pull up on
the thermostat knob and remove it.
3. Locate the two temperature limiting screws. These screws
are factory installed for a maximum temperature range of 60°-
90°F. Each hole in the dial plate represents approximately a
4° change from the adjacent hole.
4. To adjust the temperature range, move the temperature
limiting screws to the desired location.
5. Replace the knob when the desired range has been set.
6. Replace the control panel.
D. Temperature Limiting Thermostat
Standard Unit Control Panel
COOLING ONLY MODEL HEAT/COOL MODEL
EXAMPLE: To set a maximum temperature range of approximately 64° to 86°F, move the screws to the locations shown in the diagram at right.
