Condair Mk5 - Page 14

14
– System 3: Supply air humidity control
Supply air humidity control (humidity sensor installed in supply air duct) should be used
only where room humidity control is impracticable for technical reasons.Suchsystemsalways
requireaPI-controller.Thehumiditysensor(A1)islocatedinthesupplyairductafterthesteam
distribution pipe.
A1 humidity sensor
B1 ventilation interlock
B2 airowmonitor
B3 safetyhumidistat
PI
I
internal continuous controller (PI-controller)
PI
E
external continuous controller (e.g. PI-controller)
Y inputsignalfromA1
Which humidity control system for which application?
Application Location of the humidity sensor
Room or exhaust air duct supply air duct
Air conditioning systems with:
supply air portion up to 33% System 1 System 1
supply air portion up to 66% System 1 or 2 System 2 or 3
supply air portion up to 100% System 2 System 3
supply air humidity control — System 3
Directroomhumidication System 1 —
Pleasecontactyoursupplier,ifyourapplicationmeetsthefollowingconditions:
– Humidicationofsmallroomsupto200m
3
– Airconditioningsystemswithahighnumberofairexchanges
– Systemswithvariableairvolumeow
– Testfacilitieswithextremecontrolaccuracyrequirements
– Roomswithahighvariationinmax.steamcapacity
– Systemswithtemperatureuctuations
– Coldroomsandsystemswithdehumidication
Condair
Mk5