Installer Manual
Universal Smart Wi-Fi Thermostat
8205 Up to 3 Heat / 2 Cool Heat Pump
1 Specifications 2 Installation 3 Wiring 4 Quick Reference
5 Installer Settings 6 Wi-Fi Setup 7 System Testing
Warning
For installation by experienced service technicians only.
Caution
Possible electric shock or damage to equipment can occur.
Disconnect power before beginning installation.
This thermostat requires 2 properly installed "AA" Alkaline batteries for proper
operation. When connecting optional 24 Volt AC power the batteries may be installed
as a backup. For some system types, a 24 VAC common (C wire) may be required.
Thermostat installation and all components of the system shall conform to Class II
Circuits per NEC code.
F
or use only as described in this manual. Any other use will void warranty.
1 Specifications
This thermostat is compatible with:
• Single stage heat / cool conventional and heat pump systems
• Conventional systems up to 2 stages of heating and 2 stages of cooling
• Heat pump systems up to 3 stages of heating and 2 stages of cooling
Electrical and control specifications:
• Electrical Rating: 24 Volt AC
• 1 amp maximum load per terminal
• AC Power: 18 – 30 Volts AC
• DC Power: 3.0 Volt DC (2 "AA" Alkaline Batteries Included)
• Control Range: 45° – 90° F (7° – 32° C)
• Temperature Accuracy: +/- 1° F (+/- .5° C)
Terminations
Rh, Rc, G, W1/E/W3, W2/AUX, Y1, Y2, O/B
Up to 2 Heat / 2 Cool Conventional
Model and serial number are located on back of thermostat.
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8205-100-02
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