CSC-3000 Series Pneumatic VAV Reset Volume Controllers 2 Applications Guide, Rev G
Mounting
TheCSC-3000Seriesarepositionsensitive.They
must be mounted and calibrated in either the
horizontal or vertical plane.
1. Asneartotheowsensorpickupasisfeasible,
connectthemountingbrackettothemounting
surfacewithtwoself-threadingscrewsinthetwo
3/16"(5mm)mountingholes.Besuretoleave
enoughroomtomakeconnections.
2. Insertthecontroller,facedown,up,rightorle.
Thecontrollermustbeinstalledandadjustedin
thesameplaneorreadjustmentwillbenecessary.
NOTE: Thesecontrollersareusedonsingleand
dualductapplications.Whenworkingon
dualductapplications,itmaybenecessary
toworkononeductatatime.
NOTE: Anysequencingwithothercontrollers,
valves,orpneumatic-electricrelaysmust
bedonewiththecontroller’sresetrange,
NOTtheactuator’sspringrange.
General Information
CSC-3000 Series Overview
TheseCSC-3000seriesresetvolumecontrollersare
designedforuseonheatingorcoolingsystemswith
(normallyopenornormallyclosed)VAVterminal
unitsand(directorreverseacting)thermostats.
Theyaresub-masterairvelocitycontrollers.Eachis
equippedwithseparateadjustmentknobsformini-
mumandmaximumairowsetpoints.Modelsare
availablewithvariousresetstartpoints.Amaster
controller,typicallyaroomthermostat,resetsthe
CSC-3000betweentheminimumandmaximum
velocitysetpoints.
TheuniversaldesignoftheCSC-3000seriesisin-
tendedforneworreplacementapplicationsthatcall
fordirectorreverseactingresetonnormallyopenor
normallyclosedVAVterminalunits.
More Information
Forspecications,seetheCSC-3000 Series Data
Sheet.
This Application Guide does not apply (complete-
ly) to the CSC-3014 (designed to work with CTC-
2100 Thermostats) or the CSC-3501/3505 (Linear
Volume Reset Controllers).
Seetheirseparatedata
sheetsandinstallationguides.
For adjusting start point and
span (upper and lower knobs)
review the respective sections
All adjustments
are CCW to
increase
All dimensions are
in inches (mm).