













Tuya Wi-Fi Smart Thermostat Automatic Temperature Controller for Water/Electric surface Heating Water/Gas Boiler Works with Alexa Google Home 3A 16A Friendly Reminder: Attention: HY-603-GA / HY-603-GC does not include Floor sensor INSTALLATION: Your thermostat is acceptable foe set up within a standard 86mm pattress box or European 60mm pattress subject * Step 1. Keep strength off. See Fig 1 * Step 2. Remove the mounting Plate through way of rotating the LCD part. See Fig 2. * Step 3. Connect calories supply, load into the acceptable terminals. (see "Wiring your thermostat" for details and Fig 3). * Step 4. Fix the mounting plate into the wall with screws in the box. See Fig 4. * Step 5. Fasten body of the thermoatat and the mounting plate by way of manner of rotating. See Fig 5. * Step 6. Installation complete. See Fig 6.








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