DCN: 140-02121-02 Page 5
Settings menu is displayed, use the Up/Down arrow buttons to scroll to the desired setting.
Press “Select” (MODE) button to change a setting. Once it begins to flash, use the
Up/Down buttons to select the correct setting. Press the “Select” button to accept the new
setting (flashing will stop).
Advanced Settings
Display Lock (DSPLOCK) Range: Y or N Default: N
Y = Display LOCKED
N = Display UNLOCKED
Allows the thermostat buttons to be locked. When the buttons are locked, none of the
thermostat buttons will function. To unlock the thermostat, press and hold the FAN button
for 5 seconds to access the Menu screen. Select the SYSTEM menu and return to the
Advanced System Settings (as above) to turn the Display Lock off.
Auxiliary Heat (AUX HT) HP Only Range: Y or N Default: Y
Enables the Auxiliary Heat (Stage 3 heating) operation.
Typically the Aux Heat will be heat-strips in a Heat Pump system
2
nd
Stage Heat Enable (2ND HT) Range: Y or N Default: N
Enables the 2
nd
Stage Heat operation
2
nd
Stage Cool Enable (2ND CO) Range: Y or N Default: N
Enables the 2
nd
Stage Cool operation
Heat/Cool Setpoint Delta (HCDELTA) Range: 3 - 15 degrees. Default: 3F (1C)
Sets the minimum separation between heating and cooling setpoints.
Note! Attempts to lower the cooling setpoint below the heating setpoint will PUSH the
heating setpoint down to maintain this separation. The same applies to setting the heating
setpoint above the cooling setpoint, it will PUSH the cooling setpoint up to maintain the
setpoint delta separation.
Heating Stage 1 ON Delta (H1D ON) Range: 1 to 6 degrees Default: 1
Sets the delta from setpoint that stage 1 heating starts.
Heating Stage 1 OFF Delta (H1D OFF) Range: 0 to 5 degrees Default: 0
Sets the delta from setpoint that stage 1 heating stops.
Stage 1 turns off at setpoint + Delta Stage 1.
Heating Stage 2 ON Delta (H2D ON) Range: 2 to 7 degrees Default: 2
Sets the delta from setpoint that stage 2 heating starts.
Heating Stage 2 OFF Delta (H2D OFF) Range: 0 to 6 degrees Default: 0
Sets the delta from setpoint that stage 2 heating stops.
Stage 2 turns off at setpoint + Delta Stage 2.
Heating Stage 3 ON Delta (H3D ON) Range: 3 to 8 degrees Default: 3
Sets the delta from setpoint that stage 3 heating starts.
Heating Stage 3 OFF Delta (H3D OFF) Range: 0 to 7 degrees Default: 0
Sets the delta from setpoint that stage 3 heating stops.
Stage 3 turns off at setpoint + Delta Stage 3.
Cooling Stage 1 ON Delta (C1D ON) Range: 1 to 7 degrees Default: 1
Sets the delta from setpoint that stage 1 cooling starts.
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