Compact-sized PTC steam humidifier available 0.5…7.2 kg/h capacities and 7 models.
It can be set into a duct, a ceiling-installed or a built-in type A/C.
Simple construction hardly cause failure and facilities the maintenance work.
It operates by interlocking with A/C or a signal from the indoor humidistat.
For the details, please see P.6-7 in UCAN general catalogue: