Replacing CSC-1001 with CSC-2000/3000 Series Controllers 1 Application Guide, AN0811A Rev. A
CSC-1001 Function
The CSC-1001 is designed for use with normally
open dampers in either of the following applications:
• Constant air volume (CAV) terminals
• Variable air volume (VAV) terminals with maxi-
mum ow limiting
CAV operation is congured by connecting a nor-
mally open actuator to the C port on the controller
(or the H port if the T port is open) and adjusting the
setpoint screw to the desired ow setpoint. Airow
is measured by an SSS-1000 series sensor connected
between the HI and LO ports. Adjusting the setpoint
screw clockwise will increase the ow setpoint;
adjusting the screw counter-clockwise will decrease
the ow setpoint. The T port may be exhausted to
atmosphere during constant volume operation.
When used in VAV applications where a high ow
limit is necessary, the controller should have a
normally open damper connected to the H port, a
reverse acting thermostat connected to the T port,
and an SSS-1000 series ow pickup between HI and
LO. The C port should be capped (as installed from
the factory). With the T port exhausted, or at a low
pressure, the setpoint screw can be adjusted for the
maximum ow limit. The controller will supply the
H port with the higher of either the thermostat signal
or the congured maximum ow limit pressure, thus
limiting the maximum airow once the thermostat
signal falls below the maximum ow setpoint.
Replacing CSC-1001 Controllers
with CSC-2000/3000 Series Controllers
Overview ...............................................................1
Important Notices .................................................1
CSC-1001 Function ...............................................1
Sample Applications
..............................................2
Replacement by CSC-2001/2003
...........................3
Replacement by CSC-3011 .................................... 3
Overview
CSC-1001 Constant Volume Controllers have been
discontinued. However, they can be replaced with a
CSC-2001/2003/3011 controller and (for VAV applica-
tions) an RCC-1008/1108 relay.
For more information about a particular device, see
the respective device data sheet, installation guide,
and/or application guide.
Application Guide
CSC-1001
CSC-3011
Important Notices
The material in this document is for information
purposes only. The contents and the product it
describes are subject to change without notice. KMC
Controls, Inc. makes no representations or warran-
ties with respect to this document. In no event shall
KMC Controls, Inc. be liable for any damages, direct
or incidental, arising out of or related to the use of
this document.
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