KMC Controls CSP-4702 Installation Manual page 4

Troubleshooting
No Rotation
NOTE: For about 15 seconds after power is applied,
no rotation occurs and one or both of the
LEDs will flash.
• Check that the shaft moves freely. (Press and
hold the gear disengagement lever and manually
rotate the shaft.)
• Check wiring. (See Wiring Issues section below.)
• Check for a tripped circuit breaker to the
transformer, for proper supply voltage from the
transformer (or power supply), and for enough
capacity (VA) for all connected devices. See their
respective data sheets and
24-Volt Power Application Note (AN0604D)
available on the KMC Controls web site.
• Check that the direction jumper is in the proper
position. See Rotation Direction on page
• Check the polarity and level of the input signal
from the thermostat.
Wrong Rotation Direction or Stroke Range
• Check the position of the direction jumper. See
Rotation Direction on page
• Check the flow limits (on the controller and the
thermostat). See Min. and Max. Flow Limits on
page 3.
• Check the adjustable stop position.
No Pressure Output Signal
• Check the wiring. (See Wiring Issues section
below.)
• Check air flow and sensor. Tubing should be free
of kinks and restrictions. Sensor must be oriented
in the correct airflow direction.
Wiring Issues
• Check for correct wiring at the each device.
• Use a voltmeter and ohmmeter to check the
terminals for expected values.
• See Tips for Connecting 24-Volt Power Applica-
tion Note (AN0604D).
NOTE: Wiring must be adequate to avoid
excessive voltage drop on long runs! Allow
plenty of "cushion" in measurements. A
meter may be too slow to register transient
dips or peaks during startup.
CSP-4702 © 2018 KMC Controls, Inc.
Tips for Connecting
2.
2.
Static Pressure Control
Besides VAV applications, the CSP-4702 can also act
as a static pressure controller in such applications as
AHU or RTU bypass control. It is not then connected
to a thermostat. For information, see the
Static Pressure (Bypass) Control Application
Guide.
More Information
For specifications, see the
the KMC web site.
For applications (with the CTE-5202 thermostat)
and other information, see the
tions Guide.
For information about using the CSP-4702 as static
pressure controller in AHU/RTU bypass applica-
tions, see the CSP-4702 Static Pressure (Bypass)
Control Application
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
warranties 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.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operation. This Class B electronic appara-
tus complies with Canadian ICES-003.
KMC Controls, Inc.
19476 Industrial Drive
New Paris, IN 46553
574.831.5250
www.kmccontrols.com
info@kmccontrols.com
4
CSP-4702
CSP-4702 Data Sheet
CTE-5202 Applica-
Guide.
Installation Guide
on
036-019-04F