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Spark T-50 Thermostat: Warm floors. On your schedule.
The Spark T-50 is a round touch-screen thermostat for water underfloor heating. Set a 7-day programme, or control it from the Tuya Smart app and by voice. Choose Wi-Fi or Zigbee.
Everything on one round screen.
See the target temperature, heating status, time, programme, network status and child lock on the round display. Five capacitive keys select mode, clock, power, temperature up and temperature down.
- Three modes: Programmable, manual and energy saving.
- Touch keys: Capacitive controls behind smooth glass.
- Colour ring: From cool blue to warm orange.
A week that runs itself.
Set up to six periods per day, each with its own time and temperature. Change the temperature, mode or weekly programme through the Tuya Smart app. Voice control works with Alexa and Google Assistant.
- Programmable: Follows the weekly programme automatically.
- Manual: Holds the temperature you set.
- Energy saving: Uses the economy temperature.
Set once by the installer.
The advanced menu controls temperature compensation, deadzone, key locking, sensor mode and temperature limits. It also sets frost protection, floor overheat protection and economy mode. The full options and defaults appear in the specifications and brochure.
- Frost protection: Adjustable from 0 to 10 °C.
- Overheat protection: Floor-temperature limit adjustable from 25 to 70 °C.
- Child lock: Lock all keys, or leave the power key available.
- Calibration: Internal-sensor correction from −9 to +9 °C.
Wi-Fi or Zigbee. Your choice.
Choose the network version for your home. The Wi-Fi version connects directly to the home router. The Zigbee version needs a Tuya Zigbee gateway, such as the gateway built into Spark 7-inch and 10-inch panels.
- Wi-Fi version: Connects to the home router without a hub.
- Zigbee version: Joins through a Tuya Zigbee gateway.
Specifications
| Technical specifications | |
|---|---|
| Model | Spark T-50 |
| Network | Wi-Fi or Zigbee |
| App | Tuya Smart |
| Voice | Alexa · Google Assistant |
| Power supply | 95–240 V AC, 50–60 Hz |
| Current load | 5 A (valve or actuator) |
| Sensor | NTC |
| Accuracy | ±0.5 °C / ±1 °F |
| Set temp. range | 5–35 °C |
| Display temp. range | 5–99 °C |
| Ambient temperature | 0–45 °C |
| Ambient humidity | 5–95 % RH, non-condensing |
| Storage temperature | −5 to 45 °C |
| Power consumption | < 1.5 W |
| Timing error | < 1 % |
| Shell | PC + ABS, flame retardant |
| Protection class | IP20 |
| Keys | Capacitive touch |
| Heating and programming | |
| GA · water heating | 5 A maximum; valve or actuator control |
| Network combinations | Wi-Fi or Zigbee |
| Weekly programme | 7 days; up to 6 periods per day |
| Front dimensions | 86 × 86 mm |
| Sensor options | Internal / external / internal control with external limit |
| Advanced installer settings | |
| 1 · Temperature compensation | −9 °C to +9 °C (internal sensor); default −1 |
| 2 · Temperature deadzone | 1 °C to 5 °C; default 1 |
| 3 · Button locking | 00: all keys except power / 01: all keys; default 01 |
| 4 · Sensor type | In: internal / Ou: external / AL: internal control, external limit; default AL |
| 5 · Minimum set temperature | 5 °C to 15 °C; default 05 |
| 6 · Maximum set temperature | 15 °C to 45 °C; default 35 |
| 7 · Display mode | 00: set and room temperature / 01: set temperature only; default 00 |
| 8 · Low-temperature protection | 0 °C to 10 °C; default 00 |
| 9 · High-temperature protection | 25 °C to 70 °C; default 45 |
| A · Economy mode | 0: off / 1: energy saving; default 0 |
| B · Economy temperature | 0 °C to 30 °C; default 20 |
