Data Sheet for Product

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. Other product or company names mentioned herein may be the trademarks of their respective owners.
© 2002 Siemens Building Technologies, Inc.
Siemens Building Technologies, Inc. Printed in the U.S.A.
1000 Deerfield Parkway Document No. 127-0005
Buffalo Grove, IL 60089-4513 Page 6 of 6
U.S.A.
Table 5. Reset Option (Point 51).
Value Description
0 No Chilled Water Reset
1 Return Chilled Water Reset. Constant return Chilled Water
Temperature Set Point maintained.
2 4 – 20 mA Chilled Water Reset. Resets Chilled Water Set
Point based on 4 – 20 mA signal. A signal less than 4 mA
results in no reset of Chilled Water Temperature Set Point.
A signal greater than 4 mA results in a linear reset between
Chilled Water Set Point and the Maximum Chilled Water
Reset Set Point plus the Chilled Water Set Point.
3 Network Chilled Water Reset. Resets Chilled Water Set
Point based on the Network Evaporator Leaving
Temperature Reset. A signal of 0 – 100% results in a linear
reset between the Chilled Water Set Point and the
Maximum Chilled Water Reset Set Point plus the Chilled
Water Set Point.
4 Ice Chilled Water Reset. Resets the Chilled Water Set Point
(typically 23°F) based upon a 4 – 20 mA signal. A signal
less than 4 mA results in no reset of Chilled Water
Temperature Set Point. A signal greater than 4 mA results
in a Chilled Water Set Point equal to the set point plus the
Maximum Chilled Water Reset Set Point (typically 22°F).