Salda SMARTY XP - Version S300; Heater; Preheater

36 | EN SMARTY v2023.1
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When using the supply air heater, the supply air sensor (TJ) must be installed downstream the heater (or cooler) at the length
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8.1.3. VERSION S300
SMARTY air handling units are able to control one heater or preheater coil at a time. When the preheater is used, one more temperature sensor
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8.1.3.1. HEATER
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1. Electric heating coil command;
2. Heating coil overtemperature detector;
3. Heating coil position signal.
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Figure 8.1.3.1.1. Signals for electrical heater
NOTE: Power supply for the heater is not shown.
Heater Installation Diagram
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Siemens S300
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When using the supply air heater, the supply air sensor (TJ) must be installed downstream the heater (or cooler) at the length
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8.1.3.2. PREHEATER
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1. Electric preheating coil command;
2. Air temperature after preheating coil;
3. Preheating coil overtemperature detector;
4. Preheating coil position signal.