TECH Controller for ST-408n Installation
21 ₾
The Tech ST-408n can simultaneously manage the operation of: - Two heat sources, such as two heating boilers. The owner only needs to select one boiler as the main and the other as the auxiliary. Primarily, the necessary operating parameters must be set for the main boiler, while for the auxiliary, parameters must be defined under which the second heating device will turn on. For example, in the first boiler, we set the heat carrier temperature in the system to 60°C, which this boiler must maintain. For the second boiler, we can set parameters in the controller such that if the heat carrier temperature does not exceed 55°C for 30 minutes, the second boiler should start operating. - The ability to control an additional device, such as a circulation pump, outdoor lighting, or a sprinkler system for lawns, etc. - Two pump-mixing circuits. Each circuit can have temperature sensors, a pump, and a mixing valve. The principle of operation is as follows: first, the temperature in the circuit is set. The sensors measure the heat carrier temperature in the circuit and, depending on the specific task, command the mixing of water to achieve the desired value. It is also possible to use a room thermostat and control the air temperature according to its readings. - If necessary, an additional 2 Tech ST-431n controllers can be connected. In this case, the ST-408n controller can service 5 pump-mixing circuits.
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