Honeywell
Heating & Cooling Appliance Controls
Title: Functional description S4965A3025
Doc.: S4965A3025E20
Description Sign. E.C.N. Date Rev.
First issue M.Matiasko 01-Sep-2015 A
Page 7/22
5. Product description
5.1 - General
Controller S4965A3025 is intended to be used for ON/OFF applications. It is made for direct burner ignition applications. The
controller can drive a gas valve. High Limit switch ensures additional safety level. A Heat Demand (HD) can be generated by
the high voltage or low voltage switches. A special test mode heat demand can be controlled through the communication port
of the ESYS and the appropriate software or through the MMI.