137Condair APS and APS-NA
11 Condair APS and APS-NA
11.1 Functional description
The mechanical differential pressure switch Condair APS or APS-NA is used for pressure monitoring in
ventilation ducts
11.2 Safety
Please observe all local regulations concerning electrical installations.
The installation work must be performed only by adequately qualied personnel (electrician or work-
man with equivalent training).
Warning - danger of electric shock! Before starting the installation work the unit to which the Condair
Condair APS or APS-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 APS and APS-NA and the humidier 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).
11.3 Delivery
The delivery includes:
– Differential pressure switch Condair APS or APS-NA
– Fixing material
– Installation manual