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| Manufacturer | Carel |
The Carel U1IT00UC00200 is a panel-mount universal electronic controller designed for the regulation of temperature, pressure and humidity in HVAC, air handling, refrigeration and heating applications.
The controller is configurable for ON/OFF, proportional and PID (Proportional-Integral-Derivative) regulation, with ten standard operating modes selectable via parameter B000. These include Direct, Reverse, Neutral Zone, 3-point floating valve control, and dual-setpoint modes, making it adaptable to a wide range of plant configurations including FCU control, AHU heating/cooling coil regulation, chiller enable/disable sequencing, and BMS-integrated plant.
The U1IT00UC00200 accepts up to three analogue probes across a range of signal types: NTC, PT1000, 0–10 Vdc, ratiometric 0–5 Vdc, 0–20 mA and 4–20 mA. Two clean-contact digital inputs allow external commands such as summer/winter changeover, alarm acknowledgement or unit On/Off via BMS. Five 5 A relay digital outputs and two 0–10 V analogue outputs cover a broad set of load types including valve actuators, fans and heating stages. The front panel carries an IP65 rating for use in environments where ingress protection of the control interface is required.
Built-in Bluetooth Low Energy (BLE) enables wireless commissioning and parameter access via the Carel APPLICA mobile app (Android and iOS) at distances up to 10 m. An integrated RS485 port with Modbus RTU protocol (address range 1–247, up to 375,000 bit/s) connects to BMS supervisory systems including Carel Boss and PlantVisorPRO. For desktop commissioning, the Carel Applica Desktop tool connects via the CVSTDUMOR0 USB/RS485 converter.
An integrated real-time clock (RTC) maintains date and time for 72 hours after power-down. Three daily programmes with four time bands each support Comfort, Economy and Off profiles, including holiday period management. The alarm log stores up to 20 events with timestamps, and output forcing on alarm can be configured independently per circuit via parameters C001/C002/C020/C021.
• AHU heating and cooling coil control (Direct/Reverse with summer-winter changeover)
• FCU room temperature regulation with time scheduling
• 3-point floating valve actuator control (e.g. PICV/characterised control valves)
• Chiller or heat pump enable sequencing with dual setpoint
• BMS-integrated plant with Modbus RTU supervision
• Differential pressure or humidity regulation via 4–20 mA or 0–10 V probes
• Power supply: 24 Vac/Vdc (SELV/PELV Class 2), ±10/–15%
• Mounting: Panel mount — drilling template 71 × 29 mm
• Display: 2-row 7-segment LED with 14 icons and buzzer
• Analogue inputs: 3 × universal (NTC / PT1000 / 0–10V / 0–5V / 0–20 mA / 4–20 mA)
• Digital inputs: 2 × clean contact
• Digital outputs: 5 × relay, 5 A, 250 Vac
• Analogue outputs: 2 × 0–10 Vdc, 10 mA max
• Communication: RS485 Modbus RTU (BMS port) + RS485 Fieldbus port
• Wireless: Bluetooth Low Energy (BLE) Carel APPLICA appIP ratingIP65 (front panel) / IP20 (rear)
• Operating temperature: –20 to +60 °C, <90% RH non-condensing
• StandardsEN/UL 60730-1, • EN/UL 60335-1, CE marked
• Dimensions88.6 × 46.6 mm (front face)
• UCHCONP010 — Panel connector and cable kit, 100 cm
• UCHCONP030 — Panel connector and cable kit, 300 cm
• CVSTDUMOR0 — USB/RS485 converter for Applica Desktop commissioning
Browse the full range of Carel universal and temperature controllers available at iACS, or contact our technical team for application support.
Note: This unit ships with an Italian-language user manual (as indicated by the ITA suffix in the part number). The controller hardware, firmware, CE certification, and electrical specifications are identical to other regional variants.