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1T SERIES

Product catalog summary

Overview: The document provides detailed information on the 1T Series thermostats by FINDER, highlighting their features, specifications, and installation guidelines. These thermostats are designed for energy savings, ecological benefits, and flexibility in heating and cooling systems.

Specifications: The thermostats come in various models with different features such as flush-mounted designs, digital displays, and touch controls. They operate on supply voltages ranging from 110 to 230 V AC or battery power, depending on the model. Key specifications include:

Temperature setting ranges from 0 to 38°C or 5 to 37°C.
Contact ratings of 5 A/250 V AC or 16 A/250 V AC.
Protection category IP 20.
Display resolution of 0.1°C with accuracy at +20°C of ±0.5°C or ±1°C.

Features: The thermostats offer various functionalities such as:

Summer/Winter switch and Day/Night settings.
Optional external 10 kΩ NTC sensor for temperature reference.
Thermostat lock and PIN lock padlock function for security.
Frost protection and energy-saving functions.

Installation and Wiring: The document includes wiring diagrams for different models, indicating connections for external sensors and dry contacts. Mounting options include flush and surface mounting in standard wall boxes.

Models and Variants: The document lists several models with specific features:

1T.T1: Flush-mounted with LED matrix display and optional external sensor.
1T.91: Digital thermostat with touch display and battery power.
1T.31 and 1T.41: Digital room thermostats with mechanical push-buttons and battery power.
1T.01 series: Room thermostats with gas bulb sensing element and mechanical controls.

Conclusion: The 1T Series thermostats by FINDER offer a range of options for building automation, providing flexibility, energy efficiency, and user-friendly controls. The document emphasizes the importance of following installation guidelines and using the correct wiring configurations for optimal performance.

Catalog excerpts

Energy savings Heating and cooling Building automation

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Prices, features, specifications, capabilities, appearance and availability of our products and services are subject to change without notice. FINDER assumes no responsibility for the presence of possible errors or insufficient information in this document. In case of discrepancies between the printed and online versions, the latter prevails.

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• Face plate only 5 mm thick for a sleek, elegant look • Flush mounting for 2 or 3 module recessed wall boxes, or 65 mm round wall box • Summer/Winter switch • Display lock • Display with adjustable brightness control • Day/Night setting • Optional external 10 kO NTC sensor

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Wiring diagrams External NTC sensor Standard wiring diagram 10 kΩ External dry contact for night mode External terminals: NTC sensor and dry contact • If the external terminals are not used the thermostat will refer to its internal temperature sensor. • If there is an external 10 kΩ NTC sensor, the thermostat will take that as the reference for the temperature. • If there is a dry contact closed on the terminals, it will set the thermostat to night mode, changing the temperature according to the internal menu settings (default +/–3 °C). Mounting in 3 module wall boxes The thermostat, front plates,...

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1T SERIES Digital thermostats • Touch display with guided programming • Stunning design • Backlit touch keys • Power supply: 2 1.5 V AA batteries • 2 selectable temperatures (day/night) • Summer/Winter switch • PIN lock padlock function • Temperature setting range 5-37°C

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1T SERIES Digital thermostats Type 01C.02.8.230.0300Power supply for thermostat BLISS T - Rated power: 2 W - Ambient temperature range: 0.40 °C - Maximum cable length between power supply and thermostat BLISS T: 10 m (2 x 1.5 mm2 flexible cable) When using the thermostat with the external power supply, the batteries MUST be removed.

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1T SERIES Digital thermostats Digital room thermostat • Independently set temperatures for Day and Night • Thermostat lock • Functions: OFF (with Frost protection)/ Summer/Winter • Frost protection range (+2...+8)°C • On/Off hysteresis selectable (0.2 - 0.5)°C

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1T SERIES Digital thermostats f© finder Digital room thermostat • Temperature regulation from 5 to 33 °C • Functions: OFF (with Frost protection)/ Summer/Winter • Programming: Day/Night (set-back by -3 °C) • Temperature setting range can be restricted, by internal mechanical blocking • Display with: - Set temperature, actual temperature - SUMMER/WINTER setting active

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