LES – Laundry Exhaust Systems
The Laundry Exhaust System (LES) maintains a constant pressure in the laundry exhaust system.
HRS – High Rise System
The High Rise System (HRS) maintains a constant pressure in the multi-story exhaust shaft system.
SAS – Supply Air Systems
The Supply Air System (SAS) maintains a constant pressure in the laundry room.
LSS – Laundry Exhaust & Supply Air System
The Laundry Exhaust and Pressure Air System (LPS) combines the LES & SAS system into a single control system.
