Description and application of fan coil hvac thermostat
fan coil electric valve, also known as the central air conditioning of electric valve, it belongs to the central air conditioning terminal control products, as control fan coil water flow execution parts it controlled central air conditioner thermostat (
Or three-speed switch)
Central air conditioner hvac thermostat by controlling its work or not to switch on or by the fan coil currents (
For the chilled water cooling, heating for hot water)
, to change the status of the central air conditioning.
Fan coil motor valve selection of fan coil motor valve normally closed normally open and two general points, normally closed type refers to the power when the valve closed, normally open type is power off when the valve is fully open.
Also connection points and three lines and two wire system, large diameter were mostly three-wire system, there will be two line of small diameter and three-wire system two kinds.
Whenever you grab your remote and turn on the TV, there are numerous ads promoting home thermostat and offering for ac compressor control valve
extracts, which are said to boost hvac expansion valve.
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