| Measurement Range (Supplied by Remote Sensor) |
| Indoor Temperature |
32° to 110°F (0° to 43°C) |
| Outdoor Temperature |
-40° to 170°F (-40° to 77°C)
NOTE: Outdoor temperature measurement is -30° to 120°F (-34° to 49°C) if thermistor sensors are used. |
| Humidity |
0% to 100% RH |
| Temperature Tolerance |
| ±1ºF (±0.5ºC) |
| Humidity Tolerance |
| ± 5.0% RH |
| Setpoint Range |
| Auto |
38° to 99°F (3° to 37°C) |
| Heat |
38° to 89°F (3° to 32°C) |
| Cool |
38° to 99°F (3° to 37°C) |
| Radiant Floor |
38° to 110°F (3° to 43°C) |
| Humidity |
5% to 90% RH |
| Power Requirements |
| Power Consumption |
3 W @ 24VAC |
| Max Current per Relay |
1A |
| Max current Across All Relays |
3A |
| Communications |
| WiFi® communications |
802.11/b/g/n (2.4 GHz) |
| Buttons |
| Up |
Raises the room’s setpoint by 1ºF, 1ºC, or 0.5ºC, depending on the active temperature scale |
| Down |
Lowers the room’s setpoint by 1ºF, 1ºC, or 0.5ºC, depending on the active temperature scale |
| Display |
| Type |
Transflective LCD, backlit |
| Size |
3.5 in. (89 mm) |
| Resolution |
320 x 480 |
| Connections |
| C |
(1) Common from HVAC system 24VAC transformer |
| RH |
(1) Reference, heat calls (W1/W2) |
| R/RC |
(1) Reference, compressor/cooling calls or single reference systems (Y1/Y2/G/O/B) |
| W |
(1) Heat stage 1 call |
| W2 |
(1) Heat stage 2 call |
| Y |
(1) Compressor stage 1 call |
| Y2 |
(1) Compressor stage 2 call |
| O |
(1) Changeover, active in cool mode |
| B |
(1) Changeover, active in non-cool modes |
| G |
(1) Fan call |
| HUM |
(1) Humidistat call |
| HUMR |
(1) Reference, humidistat calls |
| TS1+ and TS1- |
(2) From remote temperature sensor (CHV‑RTS, CHVI‑RTS‑1G‑N‑W, and CHVI‑RTS‑1G‑SM‑W), remote slab sensor (CHV‑RSS), or remote temperature and humidity sensor (CHV‑RTHS). Also compatible with 10k thermistors. All sensors and thermistors are sold separately. |
| TS2+ and TS2- |
(2) From remote temperature sensor (CHV‑RTS, CHVI‑RTS‑1G‑N‑W, and CHVI‑RTS‑1G‑SM‑W), remote slab sensor (CHV‑RSS), or remote temperature and humidity sensor (CHV‑RTHS). Also compatible with 10k thermistors. All sensors and thermistors are sold separately. |
| USB |
(1) Micro B female, USB 2.0 computer console port for firmware upload, temporary power, and device configuration |
| R CONNECTIONS Switch (on backplate) |
| R/RC ONLY |
For installations with only one R connection.
Wire the R connection to the R/RC terminal. |
| SEPARATE |
For installations with separate RC and RH connections.
Wire the RC connection to the R/RC terminal and the RH connection to the RH terminal. |
| Sensors |
| Ambient Light |
Determines Day and Night mode, and sets auto-dimming range for display and LED backlight
Backlight intensity is user adjustable |
| Proximity |
Day: More sensitive
Night: Less sensitive |
| Environmental |
| Temperature |
32° to 104°F (0° to 40°C) |
| Humidity |
10% to 95% RH (non‑condensing) |
| Construction |
| Housing |
Plastic, surface-mountable to the front of a horizontally-oriented 1-gang electrical box |
| Surface Mounting |
Mountable to dry wall with two anchors (included)
Cutout template provided |
| Electrical Box Mounting |
Mountable to a horizontal US-style, 1-gang new or old work electrical box with two mounting screws (included) |
| Mounting Depth |
1.50 in. (38 mm) |
| Dimensions |
| Height |
3.52 in. (89 mm) |
| Width |
4.90 in. (124 mm) |
| Depth |
1.76 in. (45 mm) overall, 0.57 in. (14 mm) from wall surface when installed |
| Weight |
| 7.81 oz (221 g) |
| Compliance |
Regulatory Model: M201911001
CE, FCC, IC |