Lyric™ T6 Pro Wi-Fi Programmable Thermostat Professional Install Guide Package Includes: • Lyric T6 PRO Wi-Fi Thermostat • UWP Mounting System • Honeywell Standard Installation Adapter (J-box adapter) • Honeywell Decorative Cover Plate – *TH6320WF2003 depicted. Other models may vary.
UWP Mounting System installation 1. Open package to find the UWP. See Figure 1. 2. Position the UWP on the wall. Level and mark hole positions. See Figure 2. Drill holes at marked positions, and then lightly tap supplied wall anchors into wall using a hammer.
Wiring UWP Push down on the tabs to put the wires into the inner holes of their corresponding termi nals on the UWP (one wire per terminal) until they are firmly in place. Gently tug on the wires to verify they are secure. If you need to release the wires again, push down the terminal tabs on the sides of the UWP.
Setting Slider Tabs Set R Slider Tab, see Figure 9. • Use built-in jumper (R Slider Tab) to differentiate between one or two transformer systems. • If there is only one R wire, and it is connected to the R, Rc, or RH terminal on the old thermostat, set the slider to the up position (1 wire).
Wiring NOTES: 1 Available wiring configurations differ by product models/product numbers. 2 Use 18- to 22- gauge thermostat wire. Shielded cable is not required. 3 Set the R Slider Tab on the UWP to the up position (1 wire) for 1 transformer systems or the down position (2 wires) for 2 transformer systems.
Heat pumps systems 1H/1C Heat Pump System 2H/2C Heat Pump System Power Power [R+Rc joined by Slider Tab] [R+Rc joined by Slider Tab] Compressor contactor Compressor contactor (stage 1) 24VAC common 24VAC common O/B Changeover valve O/B Changeover valve Fan relay Fan relay Compressor contactor (stage 2) Heat pump fault input...
Ventilation systems NOTE: Ventilation is not available on all models. Using U Slider Tab Wired to ERV/HRV whole Wired to fresh air damper house ventilator with internal powered by furnace power supply. transformer. Mounting thermostat Push excess wire back into the wall opening.
Installer setup – using the thermostat Setup using the thermostat • After the Lyric thermostat has powered up, touch START SETUP on the thermostat. You’ll be asked if you want to perform setup via Lyric app. Touch No. • Touch to toggle between Installer Set Up (ISU) options.
Installer setup – using the Lyric app Setup using the Lyric app Download the Lyric app from App Store or Google Play to use a hidden PRO installation feature that will allow you to configure the thermostat and personally invite your customer to connect to the installed Lyric thermostat at the same time.
Key features System status Connection status Time, ISU #, or information information Alert # Cool On, Heat On Status of Wi-Fi Emergency Heat On, Connection: Connected, Recovery, or Auto Disconnected, or Wi-Fi Changeover On. is Off. Schedule information Messaging Heat On Recovery Following Schedule Auto Chg.
Performing a system test You can test the system setup in ADVANCED MENU under SYSTEM TEST option. Press and hold Menu on the Lyric thermostat for 5 seconds to access ADVANCED MENU options. Touch to go to SYSTEM TEST. Touch Select or touch text area. Touch to select system test type.
Troubleshooting Screen is • Check circuit breaker and reset if necessary. blank • Make sure power switch at heating and cooling system is on. • Make sure furnace door is closed securely. Screen is • Change screen brightness in thermostat Menu. Increase difficult to brightness intensity for inactive backlight of the thermostat read...
Alerts and reminders Number Alert/Reminder Definition Replace Air Filter (1) Replace air filter (1). Reset the timer by touching the "dismiss" button on thermostat screen after it is replaced. Replace Air Filter (2) Replace air filter (2). Reset the timer by touching the "dismiss"...
Physical Dimensions in inches (mm) (H x W x D) Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C) Lyric T6 PRO Wi-Fi Thermostat (TH6320WF2003): Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C) 4-5/64 x 4-5/64 x 1-1/16 (104 x 104 x 27)