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ROOM THERMOSTAT PT21 FOR ALL TYPES OF HEATING AND AIR-CONDITIONING SYSTEMS - ENERGY SAVING UP TO 30% COMFORT PROGRAMMING DIRECTLY IN YOUR CHAIR Display description: Indication of day Seconds or temperature Real or set time Mode indication - P required temp.
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ROOM THERMOSTAT PT21 PT21 is a Czech product that offers a wide range of application for tempera- ture regulation in households, offices or workshops. It is designed in such way, so that it meets high standard of required functions and simultaneously easy handling is maintained.
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3. For further temperatures within the same day set different time and temperature by "+/-Hod, +/-min.,+/- °C " buttons. After setting the last temperature for one day, PT21 passes automatically to the setting for next day. Display shows " " symbol for next day.
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Function (holiday): This function is very useful in the course of holidays, when the house is empty and it is not necessary to change room temper- ature. After pressing " " button, symbol " " is displayed. By means of " +/-Hod and +/- °C" buttons set the number of days and required temperature.
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1. Open the case of PT21 in the place indicated by arrow on Pic.1 and so divide the thermostat to two parts. 2. Grasp the rear (switching) part and fasten it into installation box (see Pic.2) at the height of minimally 1.5 m.
ROOM THERMOSTAT PT21 PT21 is a digital room thermostat for automatic regulation of heating, offering the possibility to set 6 different temperatures (5 to 40°C) for each day (minimal duration of time interval to be set is 10 minutes). Further advantages: - different temperature program for each day - setting the HYSTERESIS in the range from 0.1°C to 1.5°C...
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