If not installed from factory, humidistat connection is required on the unit in order to connect the humidistat.
6.2 CONNECTION FOR AN HUMIDISTAT
It is recommended to also select a humidistat.
6.3 PROCESS AIR INLET SPIGOT
The unit comes with a grated process air inlet cover. This part is interchangeable, and if needed, change the grated cover with a single or a dual spigot inlet attachment for
duct connection.
Dual spigot attachment is available for CS-5L only.