Installation Instructions

Document No. 540-1035
Installation Instructions
June 10, 2015
Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as
design improvements are introduced. Product or company names mentioned herein may be the trademarks of their respective owners. ©
2015 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
USA
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Document No.540-1035
Printed in the USA
Page 6 of 6
Power Wiring.
CAUTION
It is important that the neutral
that supplies the TEC must be
earth grounded at the source of
the 24 Vac power.
Possible erratic equipment
operation or damage if neutral
is not grounded.
Wiring Diagram
Application 2520 and 2521 Cooling Only Wiring
Diagram.
NOTE:
There are no external I/Os for
the Cooling Only applications
2520 and 2521.