Device Installation
The VTM3000 thermostat is designed for wall mounting in a standard installation box KU68, with a power supply of 230 V AC and IP31 protection. It is suitable for resistive heating devices and can be used with a floor sensor supplied with the thermostat.

Technical Features
- Supply Voltage: 230 VAC 50 Hz
- Standby Power Consumption: < 100 mW
- Maximum Switching Load: 2 kW
- Hysteresis: 0.5°C
- Temperature Sensor Types: Floor, Air
- Room Temperature Range: 5°C to 35°C
- Floor Temperature Range: 5°C to 35°C
- Freezing Protection: 5°C
- Temperature Setting/Display: 0.2°C steps
- Air Sensor Sensitivity: 0.4°C
- Floor Sensor Sensitivity: 1°C
- Delayed Start: Adjustable up to 99 days
- Dimensions: 86 x 86 x 50 mm
- Weight: 200 g
- IP Protection: IP31

Thermostat Control
The thermostat features a keyboard for menu navigation, regulation control, and temperature setting. It includes options for daily and weekly time modes, with predefined schedules for ease of use.

Display
The device has a graphic LCD display for easy control and setting, with symbols for clear understanding of values and status.

Time Modes
Predefined time modes include DAY, WORKING WEEK, and WEEK, allowing for 4 or 6 changes between comfort and setback temperatures.

Setting and Control
The thermostat's menu is divided into user and service parts, with options for temperature setting, time modes, and sensor settings. The keyboard can be locked, and the service menu can be password-protected.

Regulation Modes
- Air temperature measurement
- Floor temperature measurement
- Air temperature with maximum floor temperature control

Predefined Time Modes
Default comfort temperature is 25°C, and savings temperature is 18°C. These can be customized.

Heating Profile Memory
The thermostat records heating usage for the current day, previous day, week, and total time since installation.

Special Time Modes
- 24h SAVING: Maintains low savings temperature all day
- 24h COMFORT: Maintains comfort temperature all day
- UN-TIMED: Regulates based on requested temperature without time mode changes

Real-Time Clock
The thermostat includes a real-time clock with automatic summer/winter time adjustment and power loss protection.