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Smart Temp SMT-850 Halo Thermostat User Guide
Terminal Wiring Layout
Comprehensive ControlwiththeSMT-850 Halo
The SMT-850 Halo provides extensive control capabiliꢀes for a variety of
air condiꢀoning systems, including advanced features like zone control
and free fresh air cooling. This flexibility is made possible by a
comprehensive library of assignable inputs and outputs, which your
installercan configure to perform a widerange of tasks.
To view an overview of these inputs and outputs, refer to the diagram on
the right. For a more detailed explanaꢀon, please consult the main
manual. The installer opꢀons menu within the SMT-850 Halo is designed
to be intuiꢀve and user-friendly, allowing a trained air condiꢀoning
technicianto navigate it with ease.
DIP Switches
On
Mulꢀ
Off
Single
Dip Switches
DIP 1 - Fan Speeds
DIP 2 - Equipment
Dip 3 - RV or Fan
Heat/Cool Heat Pump
H-Elect H-Gas / Oil
R/V- Cool R/V- Heat
Note The Halo is typically
powered by 24V AC however
it will run from 10 to 30V AC or DC
(if DC powered +ve to R -ve to C)
if DIP 2 Off
if DIP 2 On
Dip 4 leave OFF
(DIP 3 has 2 functions (R-Valve or fan mode)based on the position of DIP 2)
- 14 -
| General | Details |
|---|---|
| Name | Smart Temp SMT-850 Halo Thermostat User Guide |
| Make | SMART TEMP |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.95 MB |

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