Fresh air valve thermostat
a, the use of the environment and characteristics of
for fresh air cooling central air-conditioning end
according to the test temperature and set temperature hvac thermostat control, automatically adjust the wind valve is 0 A 90 - degree switch, hvac thermostat automatically, 90 °, 72 °, ° 54, 36 °, 18 °, 0 ° etc. 7. According to the running time of the air valve to control the opening degree of air valve. Some engineering also mixed equipped with central air conditioning water system.
2, the outward appearance image interface
models: YK - XF - 7 a
product on the back of the figure
note: if there is no central air conditioning water system, the valve and fan don't pick up.
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