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Thermostat - 33TT
33TT
The Carrier 33TT thermostat is a high-performance, wall-mounted thermostat designed for use with hydraulic fan coil units. It provides precise temperature and humidity control with automatic or manual fan control and a "Green Leaf" mode that optimizes energy savings. It is easy to configure via the IdroConfig™ app and offers several operating modes (Comfort, Economy, and Antifreeze), as well as automatic or manual change-over and a weekly programming. The thermostat offers KNX communication and a lead/lag function for centralized management. Its triac, TOR, and chrono-proportional outputs and fan control options (three speeds, one speed, or 0–10 V) make it a flexible, complete
- Controller Type:
- Thermostat
- Fan Control:
- AC/EC 3 speed EC variable speed
- Water valve management:
- ON/OFF
- Heating capacity (kW):
- 2kW with relay accessory
- Communication protocol:
- KNX Bac net Gateaway accessory
- Scheduling:
- Via UI Via BMS
- Lead/lag:
- Stand alone Via BMS
Features & Benefits
- Automatic or manual fan speed control
- Simplified commissioning via the IdroConfig™ application
- Room temperature and humidity control
- Regimes: Comfort, Economy, and Building Frost Protection.
- Automatic or manual heating/cooling changeover.
- "Green Leaf" energy optimization mode
- Triac control outputs: TOR, chrono-proportional
- Fan outputs: three-speed, one-speed, or 0-10V
- KNX bus communication (S-Mode, LTE-Mode).
- Weekly programming
- Lead/lag function between thermostats
Accessories
- The KNX power supply: enables communication via the KNX bus. This is essential for activating the lead/lag function between several thermostats in the same installation or for connecting to a BMS.
- The KNX to BACnet gateway: provides an interface between the KNX protocol and the BACnet network, enabling data exchange between thermostats and a BACnet architecture/BMS.
- The change over sensor: is a combined temperature sensor that provides fine control of indoor comfort and improved system responsiveness.
- The surface-mounted box: is designed for easy installation on specific or non-recessed surfaces, offering greater flexibility in renovation or retrofit projects.
