Contents
Main
Blue 4 Universal Thermostat with Automatic Heat/Cool Changeover Option
Single Stage, Multi-Stage or Heat Pump Installation and Operating Instructions for Model:
Save these instructions for future use!
APPLICATIONS
SPECIFICATIONS
CAUTION !
THERMOSTAT APPLICATION GUIDE
Index Page
INSTALLATION
WARNING !
Remove Old Thermostat
Installing New Thermostat
Batteries
WIRING DIAGRAMS
O
B
LRC
* Common connection required for fault or malfunction indication.
WIRING DIAGRAMS
Figure 5 Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers
Figure 6 3-Wire (SPDT) Heat Only Zone Valve Wiring
G
Y2 W2
THERMOSTAT QUICK REFERENCE
Home Screen Description
INSTALLER/CONFIGURATION MENU
Page
OPERATING YOUR THERMOSTAT
Choose the Fan Setting (Auto or On)
Choose the System Setting (Heat, Off, Cool, Auto, Emer)
IMPORTANT!
Manual Operation (Bypassing the Program) Programmable Thermostats
PROGRAMMING
Energy Saving ENERGY STAR Factory Pre-Program
Planning Your Program Important
Enter the Heating Program
Enter the Cooling Program
PROGRAMMING
TROUBLESHOOTING
Symptom Possible Cause Correction Action
TROUBLESHOOTING
