Salus ST620VBC Instruction Manual

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Salus ST620VBC Specification

The Salus ST620VBC is a sophisticated programmable thermostat designed for efficient home heating control. It features a sleek, contemporary design with a large, user-friendly LCD display that provides clear visibility of settings and current temperature readings. This thermostat supports wireless communication through its RF capability, ensuring seamless integration with compatible devices and systems. It operates on a frequency of 868 MHz, which minimizes interference and enhances reliability in data transmission.

The ST620VBC offers flexible programming with multiple time and temperature settings, allowing users to customize heating schedules to suit their lifestyle and optimize energy usage. It supports a 5/2 day or 7-day programming option, enabling distinct schedules for weekdays and weekends or individual daily settings, respectively. The thermostat is equipped with an innovative TPI (Time Proportional and Integral) control algorithm, which improves energy efficiency by calculating the precise amount of heat required to maintain the desired temperature.

Installation is straightforward, designed for wall mounting, and the unit is powered by two AA batteries, ensuring continued operation even during power outages. A key feature of the ST620VBC is its frost protection mode, which prevents pipes from freezing by maintaining a minimum temperature during cold periods. Additionally, the thermostat includes a holiday mode, allowing temporary suspension of normal programming for energy savings when the home is unoccupied.

The device is compatible with a wide range of boilers and heating systems, making it versatile for different household requirements. The Salus ST620VBC combines advanced technology with practical functionality, offering an effective solution for precise home temperature management.

Salus ST620VBC F.A.Q.

How do I reset my Salus ST620VBC thermostat?

To reset your Salus ST620VBC thermostat, press and hold the reset button located on the back of the device until the screen turns off and then on again, indicating a successful reset.

What should I do if the Salus ST620VBC display is not turning on?

Check if the batteries are correctly installed and have enough charge. Replace the batteries if necessary. If the problem persists, ensure that the thermostat is properly connected to the power source.

How can I change the temperature setting on the Salus ST620VBC thermostat?

To change the temperature setting, use the up and down arrow buttons on the thermostat's interface until you reach the desired temperature. Confirm the setting by pressing the OK button.

Why is my Salus ST620VBC not responding to programmed schedules?

Ensure that the thermostat is set to 'Auto' mode to follow the programmed schedules. Check the schedule settings to confirm they are correctly configured.

How do I connect the Salus ST620VBC to a boiler?

First, turn off the power to the boiler. Connect the Salus ST620VBC terminals to the corresponding boiler terminals, following the wiring diagram in the user manual. Once connected, restore power and test the system.

What maintenance does the Salus ST620VBC require?

Regularly check and replace the batteries to ensure uninterrupted operation. Clean the thermostat's exterior with a soft, dry cloth to prevent dust accumulation.

Can the Salus ST620VBC be used with underfloor heating systems?

Yes, the Salus ST620VBC can be used with underfloor heating systems. Ensure the thermostat is compatible with the system's voltage and current requirements before installation.

How do I lock the keypad on the Salus ST620VBC?

To lock the keypad, press and hold the lock button for a few seconds until the lock icon appears on the display. This prevents accidental changes to the settings.

What should I do if the Salus ST620VBC thermostat is not heating as expected?

Verify that the thermostat is set to 'Heat' mode and the desired temperature is above the current room temperature. Check if the heating system is functioning correctly and consult a professional if needed.

How can I update the firmware of my Salus ST620VBC?

Currently, the Salus ST620VBC does not support firmware updates. Ensure you have the latest model by checking with the manufacturer for any product revisions.