1T Series 2026

Product catalog summary

Overview: The document provides detailed specifications and features of the 1T Series thermostats by Finder, designed for energy savings, ecological benefits, and flexibility in heating and cooling systems. These thermostats are suitable for building automation and offer various models with distinct functionalities.

Specifications:

Flush-mounted Thermostat: Operates on 110-230 V AC, features a sleek design with a 5 mm thick faceplate, LED matrix display, and optional external 10 kΩ NTC sensor. It includes a summer/winter switch, display lock, and adjustable brightness control.
Digital Thermostats: Available in models powered by AA or AAA batteries, featuring touch displays, backlit keys, and day/night temperature settings. They offer a temperature setting range of 5-37°C and include a PIN lock for security.
Room Thermostats: Include models with ON/OFF switches and summer/winter switches, featuring gas bulb sensing elements and a temperature setting range of 7-30°C. These models have a mechanical thermostat lock and are surface-mounted.

Technical Features:

Common features include NTC sensing elements, contact configuration of 1 CO (SPDT), and a contact rating of 5 A/250 V AC for digital models and 16 A/250 V AC for room thermostats.
Protection category is IP 20 across all models, ensuring basic protection against dust and contact.
Display resolution is 0.1°C with accuracy at +20°C ranging from ±0.5°C to ±1°C depending on the model.

Wiring and Installation:

Wiring diagrams are provided for each model, detailing connections for external sensors and dry contacts for night mode settings.
Mounting options include flush mounting for recessed wall boxes and surface mounting for room thermostats.

Additional Features:

Energy-saving functions and frost protection settings are included in various models, enhancing efficiency and safety.
Approvals and compliance details are provided according to the type of thermostat.

Catalog excerpts

Energy savings Heating and cooling Building automation

Open the catalog to page 1

Finder reserves the right to make changes to its products and their technical specifications at any time and without prior notice, as part of its policy of continuous improvement. The information contained in this document is provided for indicative purposes only and does not constitute a contractual obligation; errors and omissions excepted. In the event of any discrepancy between the printed and online versions, the latter, available at findernet.com, shall prevail.

Open the catalog to page 2

• 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

Open the catalog to page 3

Wiring diagrams External NTC sensor Standard wiring diagram 10 kΩ NTC 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...

Open the catalog to page 4

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

Open the catalog to page 5

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.

Open the catalog to page 6

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

Open the catalog to page 7

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

Open the catalog to page 8