Horizon® heating and cooling thermostat with integrated humidistat designed for one- and two-stage control of forced air, radiant, heat pump, and 3-speed FCU HVAC systems.
Overview
The Crestron® HZ‑THSTAT is a versatile, wall-mounted heating and cooling thermostat with integrated humidistat capable of controlling two stage heat/cool systems, two stage heat pump systems with two auxiliary heat stages, 2‑pipe and 4‑pipe FCU systems, floor warming systems, and humidity systems. A Wi‑Fi® thermostat, the HZ‑THSTAT delivers enhanced functionality when combined with a complete Crestron automation system.
The 3.5 in. LCD touch screen display is used to configure the system type, radiant floor, system performance, sensor setup, and thermostat control settings.
Integrated proximity and ambient light sensors ensure the thermostat display looks perfect in any room lighting condition. The RGB backlit status light bar indicates HVAC calls. The thermostat behavior can be customized separately for day and night operating modes.
Using Crestron Toolbox™ software, the Thermostat Configuration Tool can be used to create a thermostat configuration, retrieve logs, and test relays. It can be used to load the configuration onto one or more thermostats at the same time. If a person is onsite, they can accept the transfer of a new thermostat configuration that is initiated remotely.
When the HZ‑THSTAT is paired with the HZA‑CONV‑THSTAT‑2WIRE Common Wire Adapter accessory (sold separately), the thermostat can be used in installations without a common wire. The HZ‑THSTAT has local temperature and humidity sensors and accommodates up to four remote temperature sensors (CHV‑RTS, CHV‑RSS, CHVI‑RTS‑1G‑N‑W, and CHVI‑RTS‑1G‑SM‑W, sold separately) and up to two remote temperature/humidity sensors (CHV‑RTHS, sold separately) for optimized performance and flexibility. The HZ‑THSTAT is also compatible with 10k thermistors.
Features
Key Features
- Compatible with conventional 2H/2C systems, heat pump 4H/2C systems with auxiliary heat, 2‑Pipe FCU 2H/2C, 4‑Pipe FCU H/C, and systems with radiant flooring and humidity control
- 3.5 in. touch screen LCD display with RGB backlit capacitive buttons
- Slim design extends only 0.57 in. (14 mm) from the wall
- Control system integration via a Wi-Fi® wireless network
- Reports the current outdoor temperature and weather conditions as well as the week's forecast
- Offers remote and batch configuration capabilities
- Utilizes built-in temperature and humidity sensors
- Supports up to four remote temperature sensors and up to two remote temperature/humidity sensors
- Light bar with RGB backlight provides status and indicates mode and call
- Integrated proximity and ambient light sensors ensure the thermostat looks perfect in any room lighting condition
- Supports retrofit applications with no common wire using the HZA‑CONV‑THSTAT‑2WIRE accessory (sold separately) and as few as two wires
- Mounts to a standard US-style, 1-gang new or old work electrical box, low voltage mounting bracket, or directly to the wall
- Fan Circulation modes ensure an even temperature throughout a house
- Resettable fan run timers in the device symbol can provide filter replacement and maintenance reminders
- Hidden USB port can be used to power and preconfigure the thermostat
- Remotely initiate the deployment of one or more thermostats to support on-site personnel
- Thermostat display matches the Crestron Home® OS interface for a familiar experience
- Available in white, black, and almond finishes
Specifications
| Measurement Range | |
| 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. |
| Temperature Tolerance | ±1ºF (±0.5ºC) |
| Humidity | 0% to 100% RH; Provided by local or remote temperature sensor |
| 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 | 2.5 W @ 24VAC |
| Max Current per Relay | 1A @ 24VAC |
| Max Current Across All Relays | 3A @ 24VAC |
| Communications | |
| Wi-Fi® communications | 802.11/b/g/n (2.4 GHz) |
| Controls | |
|
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 (Y/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 | Non-FCU: (1) Changeover, active in cool mode; FCU: (1) Fan call (high) |
| B | Non-FCU: (1) Changeover, active in non-cool modes; FCU: (1) Fan call (medium) |
| G | Non-FCU: (1) Fan call; FCU: (1) Fan call (low) |
| HUM | (1) Humidistat call |
| HUMR | (1) Reference, humidistat call |
| TS1+ and TS1- |
(2) Remote sensor inputs, comprised of TS1+ and TS1- terminals; Note: TS1+ and TS1- connections are non-polarized. The + and - designations are provided to simplify wiring. |
| TS2+ and TS2- |
(2) Remote sensor inputs, comprised of TS2+ and TS2- terminals; Note: TS2+ and TS2- connections are non-polarized. The + and - designations are provided to simplify wiring. |
| 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 (noncondensing) |
| Construction | |
| Housing | Plastic, surface-mountable to the front of a horizontally-oriented 1-gang electrical box |
| Electrical Box Mounting (Preferred) |
Mountable to a horizontal US-style, 1-gang new or old work electrical box with two mounting screws (included) |
| Surface Mounting |
Mountable to dry wall with two anchors (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 FCC Part 15 Class B, IC Class B, CE, and Intertek® Listed for US and Canada |
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