Thermostat Operation Thermostat Operation LCD Display System Button See page 6 for details about Selects the operation mode on your HVAC system. this display read out. Selecting HEAT turns on the heat mode. Selecting Glow in the dark light button COOL turns on the cool The glow in the dark light mode.
Thermostat Quick Reference Thermostat Quick Reference Battery Door Information Important: The low battery icon is displayed when the AA battery power is low. Whenever the thermostat detects low battery voltage Replace with from the AA batteries, the low battery icon will begin flashing 2 AA alkaline Batteries.
Page 5
Thermostat Quick Reference Thermostat Quick Reference Indicates current room temperature Indicates if heating or cooling equmipment is running Hold Indicator: Displayed when the thermostat is inpermanent hold Low Battery Indicator Energy Efficient Leaf: Indicates the setpoint termperature chosen is a efficient choice.
Programming Programming Set Time Set Program Schedule For Four Time Periods (If using programming) (WAKE, LEAVE, RETURN, SLEEP or OCCUPIED 1, UNOCCUPIED1, OCCUPIED 2, UNOCCUPIED 2) Follow the steps below to set the day of the week and current time: To customize your 5+1+1 Program schedule, follow these steps: 1.
Page 7
Programming Programming Set Program Schedule For Two Time Periods Saturday: (OCCUPIED, UNOCCUPIED) Repeat steps 4 through 7 for the Saturday WAKE/OCC1 time period, for the To customize your 5+1+1 Program schedule, follow these steps: Saturday LEAVE/UNOCC1 time period, for the Saturday RETURN/OCC2 Weekday: time period, and for the Saturday SLEEP/UNOCC2 time period.
Programming Features Temporary & Permanent Hold Feature Saturday: Repeat steps 4 through 7 for the Saturday OCCUPIED time period Temporary Hold: The thermostat will display HOLD and RUN SCHED and for the Saturday UNOCCUPIED time period. on the bottom of your screen when you press the Sunday: key.
Features Warranty Information Filter Change & Other Reminders Warranty Registration If your HVAC contractor has configured the thermostat to remind you when the air filter needs changed, you will see a reminder in the Your new thermostat has a 5 year limited warranty. You must register your thermostat within 60 days of installation.
Page 10
Cut Out For Warranty Registration www.pro1iaq.com...
Need help?
Do you have a question about the T855 and is the answer not in the manual?
Questions and answers