TL-803 room thermostat are used to control room temperature in
commercial, industrial and residential environment via controlling
fan coil units, motorized valve, motorized air damper, heating pump
and so on.
Models are available for heating/cooling/ventilatio control of
2-pipe or 4-pipe fan coil units
It uses NTC to detect the roomtemperature and compares it with the
set-point so as to automatically keep the room temperature stable.
Power supply: 220V/AC, 110VAC, 24VAC 50/60HZ
Load Current: 3A
Accuracy: at 25℃≤1℃
Shell: :Fire retardant PC ABS
Relative Humidity: <92%(no condensing)
Cycle times: 150,000 times
Dimension: 86*86*12mm (H*W*D)
Communication Connection:RS485, M-bus(optional)
Modulating Output:0-10 Vdc or 4-20mA(KTH204M); or 3-point
Protection IP: 20
Control Performance: ON/OFF control
Cool/Heat/Sleeping mode Changeover Control
Fan can be selected as manual or automatic 3-speed operation.
The manual 3-speed, High, Mid, Low fan.
While in automatic mode, fan speed depends on the difference
Temperature and set-point.
Low temperature(freezing) protection mode
Thermostat auto start at temperature below 5℃, prevent frostbite.
Freezing protection can be selected as disabled(default) or
enabled. In freezing protection mode(no such mode in cool only
application) when thermostat is in OFF mode while the acquired
temperature is below 5℃, the thermostat will start heat mode until the temperature rises
to 8℃ or the thermostat is turned on.
Adjust the setting Temp automatically accroding to the thermal
Data Memory: If the power cut off accidentally, it could be continuing to work
by order if the power returns. This fuction is popular at hotel,
Power house etc.
.Hotel card-key control interface: changing into comfortable mode with putting in the card-key, and
energy-saving mode with pulling out the card-key. (optional)
.Infrared remote control (optional)