Introduction; Important Notices - KMC Controls MEP-4 Series Application Manual

Introduction

This application guide gives torque selection, acces-
sory, troubleshooting, and other related information.
For general mounting, connection, and configura-
tion details, see the relevant model's installation
guide. For specifications and other information,
see the relevant model's data sheet and the selection
guide. The latest support files are always available
on the KMC Controls web site
com):
• KMC Actuators Selection Guide
• MEP-4000/4800 Series (40/80 in-lb., proportional
or tri-state) Data Sheet
• MEP-4200/4500/4900 Series (fail-safe, 25/45/90 in-
lb., proportional or tri-state/two position)
Sheet and Installation Guide
• MEP-4201/4501/4901 (fast operating, 25/45/90
in-lb., tri-state/two position)
Installation Guide
NOTE: For sample proportional single-zone
heating/cooling valve applications using
the CTE-5202 electronic thermostat, see the
CTE-5202 Applications
NOTE: The models MEP-4101
lb., with transluscent cover) and
4042/4842 (40/80 in-lb., proportional, with
modular connectors) are quite different
from the rest of the MEP-4xxx series. Also,
any particular MEP-4xxx model may
not have one or more features (e.g., fail-
safe, auxiliary switch) described in this
document. Use only the information from
this document that is relevant to the MEP-
4xxx model in use.
MEP-4xxx Direct-Coupled Actuators (40 to 90 in-lb.)
(www.kmccontrols.
and Installation Guide
Data
Data Sheet and
Guide.
(tri-state, 10 in-
MEP-

Important Notices

The KMC logo is a registered trademark of KMC
Controls, Inc. All rights reserved. No part of this
publication may be reproduced, transmitted, tran-
scribed, stored in a retrieval system, or translated
into any language in any form by any means with-
out the written permission of KMC Controls, Inc.
The material in this document is for information
purposes only. The contents and the product it de-
scribes 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.
WARNING
Risk of electrical shock in line-voltage models.
Disconnect ALL power before servicing. More
than one disconnect provided on models
with auxiliary switches. Failure to follow
electrical safety precautions with live electrical
components could result in injury or death.
WARNING
If both conduit connections are used in line-
voltage models, they MUST be externally
connected during installation. The nonmetallic
enclosure does not provide grounding
connection between the two conduit
connections.
3 Applications Guide, AN0513A Rev. J