| Technical data:Voltage : AC230V(AC110V / AC24V available)Load : 3APower consumption : 2WSetting range : 4°C~45°C(factory setting: 5°C~35°C)Switching differential : ±0.5KAmbient temperature : -5~50°CProtective housing : IP20Housing material : self-extinguishing PC | | | | Selection table: | Model | Fan control | System control | Backlight | Application | RTC50.42L | Auto, Low, Mid, Hi | Heating, OFF, Cooling | Yes | 2-pipe FCU system | RTC50.42LK | Auto, Low, Mid, Hi | Heating/Cooling | Yes | 2-pipe FCU system | RTC50.42LR | Auto, Low, Mid, Hi | Heating/Cooling | Yes | 2-pipe FCU system | RTC50.50L | Auto, Low, Mid, Hi | Heating/Cooling | Yes | 4-pipe FCU system |
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