Honeywell 5000 Series Programmable Thermostat

How do I install the Honeywell 5000 thermostat wallplate?

First, remove the battery holder and pull the wallplate from the thermostat. Pull wires through the wire hole, then position the wallplate level on the wall and mark hole positions with a pencil. Drill holes at the marked positions, tap in the supplied wall anchors, place the wallplate over anchors, and tighten the mounting screws.

What type of batteries does the Honeywell 5000 thermostat use and how do I install them?

The battery type depends on your model: insert fresh alkaline AAA batteries for the TH5110D model, or AA batteries for the TH5320U or TH5220D models into the thermostat. The thermostat will display a battery replacement indicator that flashes a warning approximately two months before battery depletion.

How do I set up the system type during installation?

Press and hold the ▲ and FAN buttons until the display changes to enter Installer Setup. Press ▲ or ▼ to select your system type (options include 1 heat/1 cool Conventional, Heat only, Heat pump, Cool only, and multi-stage configurations), then press NEXT to advance and DONE to save your settings.

What are the wiring terminal designations for the Honeywell 5000 thermostat?

The main terminals are: Rc (24VAC power from cooling transformer), R (24VAC power from heating transformer), W (Heat relay stage 1), W2 (Heat relay stage 2), Y (Compressor contactor stage 1), Y2 (Compressor contactor stage 2), G (Fan relay), C (24VAC common), O/B (Changeover valve), Aux/E (Auxiliary/Emergency heat relay), and L (Emergency Heat output).

Can I power the Honeywell 5000 thermostat with AC power instead of batteries?

Yes, you can use AC power as an alternative or supplement to batteries. Connect the C terminal for primary 24VAC power (optional if batteries are already installed). The thermostat supports both battery and AC power options.

How do I adjust the temperature on the Honeywell 5000 thermostat?

Press the ▲ (up) or ▼ (down) buttons to adjust the desired temperature. You can also set temperature range stops during installer setup: the heat temperature range is adjustable from 40–89°F (4.5–32°C) and the cool temperature range from 51–99°F (10.5–37°C).