Condair UDC - Condair CHD, CHD-S and CHD-NA; Functional Description; Safety; Delivery

83Condair CHD, CHD-S and CHD-NA
6 Condair CHD, CHD-S and CHD-NA
CHD-S / CHD-NACHD
6.1 Functional description
The duct humidistat Condair CHD, CHD-S and CHD-NA serve as humidity monitoring device (maximum
humidistat) in ducts.
Note: In combination with the Condair RE, the duct humidistat CHD or CHD-NA can also be used as
On/Off controller with additional furnace fan control.
6.2 Safety
Please observe all local regulations concerning electrical installations.
The installation work must be performed only by adequately qualied personnel (electrician or work-
man with equivalent training).
Warning - danger of electric shock! Before starting the installation work the unit to which the Condair
CHD, CHD-S or CHD-NA will be connected must be disconnected from the mains and may be recon-
nected to mains only after all installation work has been completed.
Warning! The electronic components inside the Condair CHD, CHD-S and CHD-NA and the humidier are
very susceptible to electrostatic discharges. For the protection of these components, measures must be
taken during all installation work to prevent damage caused by electrostatic discharge (ESD–protection).
6.3 Delivery
The delivery includes:
– Duct humidistat Condair CHD, CHD-S or CHD-NA
– Cable gland
– Fixing material
– Installation manual