DTC1201 AC 110V–230V Thermostat with NTC Sensor, Digital Display, WiFi Connectivity, and Remote Control via Smartphone or Tablet Specifications: - Product Name: Thermostat - Model: DTC1201 (NTC Sensor) / DTC2201 (DS18B20 Sensor) - Power Supply: AC 110–230V - Temperature Range: –40°C to 99°C - Temperature Accuracy: ±1°C (–40°C to 70°C) - Sensor Cable Length: 100 cm - Sensor Type: NTC - Dimensions: 93 mm × 56 mm × 85 mm - Output Capacity: Cooling — 10A / 250VAC; Heating — 10A / 250VAC - WiFi Enabled: Remote monitoring and control via compatible mobile app Setup & Operation: - Press and hold the ‘S’ button for over 3 seconds to enter parameter setting mode. The display shows menu codes (e.g., F1). Use ‘+’ or ‘–’ buttons to navigate menus; press ‘S’ to view/edit current parameter values. Adjust values using short or long presses of ‘+’/‘–’. - To restore factory defaults: Simultaneously press and hold ‘+’ and ‘–’ while powering on the device. - Power On/Off: Press and hold the power button for over 3 seconds. - Display shows real-time measured temperature. Automatic heating/cooling mode detection based on setpoint and hysteresis. - Cooling Mode: - Cool indicator ON: Active cooling - Cool indicator OFF: Cooling inactive - Cool indicator flashing: Compressor delay protection active - Heating Mode: - Heat indicator ON: Active heating - Heat indicator OFF: Heating inactive - Set Indicator: ON during parameter configuration - Data Indicator (yellow): Shows network communication status - Net Indicator: - ON: Device online and connected to app - Blinking: Device offline or not connected Menu Functions: 1. Temperature Setpoint: Adjustable from –40°C to 99.9°C via device or app 2. Temperature Differential (Hysteresis): Adjustable from 0°C to 10°C — defines the gap between heating and cooling activation thresholds 3. Compressor Delay: Adjustable from 0 to 10 minutes — recommended for refrigeration applications 4. Temperature Offset: Adjustable from –10°C to +10°C to calibrate sensor reading Package Includes: - 1 × WiFi Digital Temperature Controller - 1 × Temperature Sensor Cable