Smart Temp SMT-850 Halo Thermostat User Guide
| General | Details |
|---|---|
| Name | Smart Temp SMT-850 Halo Thermostat User Guide |
| Make | SMART TEMP |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.95 MB |
(1 votes, average: 5.00 out of 5)
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Smart Temp SMT-850 Halo Manual: Questions and Answers
What voltage does the Smart Temp thermostat require?
10 to 30V AC or DC. Typically powered by 24V AC; if DC powered, connect positive to R and negative to C.
What's the difference between Zone Control Damper motors and Zone Temperature sensors on Smart Temp?
Damper motors control airflow to zones by opening or closing dampers. Temperature sensors change where the thermostat measures temperature for control. User Guide, p. 12
What does the After-Hours Run Icon mean on the Smart Temp SMT-850 Halo display?
It appears during the Stop event in commercial scheduling. Tap it to start a timed run period, typically two hours. User Guide, p. 10
How do I use the buttons on the Smart Temp SMT-850 Halo thermostat?
Press up or down buttons next to the Mode you want to adjust to change temperature settings.
| Control | Function |
|---|---|
| Up or down button | Adjust temperature for Heat or Cool mode |
| Mode function bar | Select Off, Heat, Cool, or Auto mode |
| Fan mode selector | Choose On or Auto fan operation |
| Fan speed selector | Pick Low, Med, High, or Auto speed if enabled |
What do the display symbols and icons mean on my thermostat?
Check the Info window for system configuration details, current actions, and error reports.
| Display Element | Meaning |
|---|---|
| Override icon | Tap to enable climate adjustments in Commercial Programmable mode |
| Overridden to text box | Tap to cancel an active temperature override |
| Running schedule display | Shows current active schedule event and temperatures |
Why won't the heating or cooling respond on my Smart Temp SMT-850 Halo?
In Commercial Programmable mode, the Override icon must be pressed first to enable climate adjustments.
- Check if Override icon is displayed on screen
- Press Override icon to unlock temperature control
- Verify the correct Mode (Heat, Cool, or Auto) is selected
- Confirm your installer enabled the scheduling function for your setup User Guide, p. 8
How do you access installer settings on Smart Temp SMT-850 Halo?
The Installer Icon is locked by default. You need to enter a PIN to access it and modify HVAC system critical functions. User Guide, p. 5
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