This digital thermostats are designed for application of 3-speed fan and valves in fan coil system. This model with total the same functions with Honeywell raw model T6861.
Honeywell T6861 Series Energy Saving Fashion Design 2/4 Pipes System Household FCU Thermostat

>> General
This digital thermostats are designed for application of 3-speed fan and valves in fan coil system. This model with total the same functions with Honeywell raw model T6861.


| HTW-51-1000 | Horizontal/Vertical | White Frame Backlight | Time on/off | 2-pipe/4-pipe | Power supply | Manual/Automatic Fan | Remote Sensor |
| V2WB | Vertical | Blue | Y | 2-pipe/4-pipe | 220 | Y | Y |
| H2WB | Horizontal | Blue | Y | 2-pipe/4-pipe | 220 | Y | Y |
| H2WG | Horizontal | Green | Y | 2-pipe/4-pipe | 220 | Y | Y |
| V2WG | Vertical | Green | Y | 2-pipe/4-pipe | 220 | Y | Y |
| H1WB | Horizontal | Blue | Y | 2-pipe/4-pipe | 110 | Y | Y |
| V1WB | Vertical | Blue | Y | 2-pipe/4-pipe | 110 | Y | Y |
| H1WG | Horizontal | Green | Y | 2-pipe/4-pipe | 110 | Y | Y |
| V1WG | Vertical | Green | Y | 2-pipe/4-pipe | 110 | Y | Y |

Tipical Tiical Wiring Diagram








