PST3
PST3
The programmable thermostat PST 3 operates within a working temperature range of 0°C to 45°C and requires a power supply of 85 - 260V at 50/60Hz. It is designed to control three-speed heaters and features an LCD display with a built-in NTC type temperature sensor. The device dimensions are 90x90x14.5mm (H x W x L) and it has a protection grade of IP30.
The thermostat supports 4-zone 7-day programming, allowing users to set different temperatures for four time zones each day of the week. It offers automatic activation and deactivation at specified times, with a temperature setting range from 5°C to 35°C. Users can select from three work modes: heating, cooling, or ventilation.
The thermostat includes control contacts for hot and cold water valves, with a maximum relay contact current of 1.2A for inductive loads (AC3) and 2A for resistive loads (AC1). An anti-freeze function automatically activates heating when the ambient temperature falls below 5°C. In case of power loss, the thermostat features an auto-restart function.
The wiring diagram includes connections for LN, L, Val2, Val1, Low, Med, Hi, N, Cooling, Heating, and Fan.
Breve Tufvassons, located at ul. Postępowa 25/27, 93-347 Łódź, Poland, reserves the right to change the parameters due to ongoing development and technical requirement changes. Contact: [email protected], www.brevetrafo.com.
Catalog excerpts
Programmable thermostat Power supply: Working temperature: Thermostat designed to control three-speed heaters equipped in LCD display and built-in NTC type temperature sensor. Thermostat has the possibility of 4-zone 7-day programming which allows you to set the temperature in 4 different time zones for each day of the week separately. In addition, thermostat has the option of automatic activation and deactivation at a specified hour. Setting range for temperature from 5°C to 35°C. The ability to choose one of the 3 work modes allows you to use heating, cooling or ventilation systems. Thermostat has control contacts for hot and cold water valves. Max relay contact current: 1,2A - inductive load (AC3) and 2A - resistive load (AC1). The anti-freeze function allows the thermostat to automaticly turn on the heating mode when the ambient temperature drops below 5°C. In the case ul. Postępowa 25/27, 93-347 Łódź, Poland tel. (42) 640-15-39, fax: (42) 640-15-41 [email protected], www.brevetrafo.com of voltage disappearance thermostat switches on automatically (auto-restart). Made with protection grade IP30. Device dimensions: 90x90x14,5mm (H x W x L). Due to the constant development of the construction and changes in technical requirements, Breve Tufvassons reserves the right to change the above param
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