The configuration mode is used to set the SC3801 to match your heating/cooling system. The SC3801 functions
with heat pump, air conditioning, gas, oil, or electric heat systems.
1. To enter the configuration mode, simultaneously hold down the and buttons while the
SC3801 is in OFF mode.
2. Press the or button to change settings within each screen.
3. Press the button to advance to the next screen.
Note:
The button will return you to the previous screen.
4. To exit configuration mode, hold in the button for 6 seconds.
Configuration Mode Settings
The setup screens for configuration mode are as follows:
1. Heat pump – Press the or button to configure as heat pump or non-heat pump system.
• ON = Heat pump system
• OFF = Non-heat pump system
Press the button to advance to the next screen.
2. Reversing valve – appears only if heat pump is set to “ON”.
Press the or button to set reversing valve.
If your reversing valve is energized in heat mode, set to “b.” If the reversing valve is
energized in cool mode, set to “o.”
Press the button to advance to the next screen
.
3. HEAT, ELECTRIC, or GAS/OIL – appears only if heat pump setting is “OFF”.
Press the or button to set heat type.
• For electric heat (interlocked), set “ELC” ON
• For gas or oil heat (non-interlocked), toggle “ELC” OFF
Press the button to advance to the next screen.
Configuration Mode