Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 2. Reference standards and Approvals 2.1 - Standards ESYS boiler controller meets the requirements laid down in standards-documents: EN 298:2012 Automatic gas burner control systems for gas burners and gas burning appliances with or without fans;...
3. Quality assurance statement Products are manufactured under an ISO 9001:2008 based and certified Quality System. The quality system is described in the Honeywell Combustion Controls Center Quality Assurance Program and its related operational procedures and instructions. The quality system is approved by SAI GLOBAL against certificate number CERT-0077998.
And each board shows: Paper label with firmware version, type and model burner control, programming batch, production date. Laser 2D code label with production data Customer code (if requested) Honeywell part number Customer part number Notes S4965A3025 – – Description Sign.
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 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.
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 5.3 - Technical features 5.3.1 - Connector and connections In the diagram below the connection diagram is shown. The Minifit connector contains the high voltage (230 VAC) connections, and the Microfit connectors contain the safety extra low voltage connections.
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 5.3.2 - High Voltage Connections Connector Type of Connection Description name HIGH VOLTAGE (230 VAC) CONNECTIONS Molex Minifit High Voltage Heat Demand Molex Minifit Not used Molex Minifit...
The gas valve which must be connected to the Basic ESYS controller is a CVI-m valve. An example of such a valve is the VK4115G1005B. There are many other valves which can work together with this ESYS. For more information about gas valves, please contact the appropriate department or your local Honeywell affiliate. Description Sign.
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 6. Modes of operation The controller has a number of basic modes of operation: STAND-BY, when there is no heat demand or error present; HEAT DEMAND;...
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 Lockout condition codes Lockout condition codes are all codes from 1 till 30. The meaning of the error numbers is as following: FAULT 1 = Lockout signal after no flame and all ignition trials are expired. This error condition is stopping the boiler and to get to the normal operation again, manual/remote reset is required.
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 7. Control Panel for ESYS A Control Panel for ESYS has been developed for monitoring. In the following picture the default screen is shown: Description Sign. E.C.N. Date Rev.
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 8. History information The controller board has a possibility to register fault codes and to write some additional history information in non-volatile memory: Error codes (buffer of the 8 last errors). Every error code has it's time information (coupled with total hours);...
This chapter contains references for further documentation of the ESYS and the CVI-m valves which can be used in combination with the ESYS. Title Reference Product Handbook ESYS EN2R9071 Product Handbook Modulating Valves EN2R9025 External Communication ERE2038 Terms used in Honeywell product handbooks EN2R9039 Description Sign. E.C.N. Date Rev. First issue M.Matiasko 01-Sep-2015...
NOTE 7: Remote reset function may only be used in applications where a maximum of five resets per 15 minutes is allowed. WARNING Honeywell is not responsible for damage and/or injury due to miss-wiring. After installation boiler control can become wet due to condensation. Do not connect wet device to mains. 10.2 - Electrical connection The device must always be connected with the power turned off.
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 IMPORTANT Wiring must be in accordance with local regulations. The appliance manufacturer’s instructions should always be followed when provided. If such instructions are not provided see the connection diagrams for typical systems.
Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 10.5 - Adjustments and final checkout WARNING Adjustments must be made by qualified persons only. If the appliance manufacturer supplies checkout and/ or service and maintenance instructions carefully follow them.