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Honeywell ESYS S4965A3025 Functional Description

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Title: Functional description S4965A3025
FUNCTIONAL DESCRIPTION
$URL::
https://acssvn.honeywell.com/ECC/CombustionEMEA/Root/Projects/P13xxxx/P130015/HW/P
roductionFunctionalDescription/S4965A3025E20.doc
$Revision:: 77641
$Author:: Mariscak, Igor
$Id:: S4965A3025E20.doc 77641 2015-08-25 12:42:50Z Mariscak, Igor
First issue
ESYS CONTROLLER
S4965A3025
Description
Heating & Cooling Appliance Controls
Doc.: S4965A3025E20
Sign.
E.C.N.
M.Matiasko
Honeywell
$
$
$
$
Date
Rev.
01-Sep-2015
A
Page 1/22

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  Summary of Contents for Honeywell ESYS S4965A3025

  • Page 1 Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 ESYS CONTROLLER S4965A3025 FUNCTIONAL DESCRIPTION $URL:: https://acssvn.honeywell.com/ECC/CombustionEMEA/Root/Projects/P13xxxx/P130015/HW/P roductionFunctionalDescription/S4965A3025E20.doc $Revision:: 77641 $Author:: Mariscak, Igor $Id:: S4965A3025E20.doc 77641 2015-08-25 12:42:50Z Mariscak, Igor Description Sign. E.C.N. Date Rev. First issue M.Matiasko...
  • Page 2: Table Of Contents

    Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 Table of Contents 1. Software revisions ........................... 3  2. Reference standards and Approvals ..................... 4  2.1 - Standards ..............................4 2.2 - Approvals ..............................4 3. Quality assurance statement ......................5 ...
  • Page 3: Software Revisions

    Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 1. Software revisions Software Description Date Description of amendments 45007997-005 C0.05_P0.19 03-Nov-2011 78FE 45007998-005 E0.05 45007997-006 C0.06_P2.19 03-Oct-2014 Platform update: 4931 45007998-006 E0.06 -repaired exceeded safety time + flame-off time...
  • Page 4: Reference Standards And Approvals

    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;...
  • Page 5: Quality Assurance Statement

    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.
  • Page 6: Identification

    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.
  • Page 7: Product Description

    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.
  • Page 8: Layout

    Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 5.2 - Layout Component side view Overall dimensions 113 x 100 mm PCB thickness 1,6 mm Fixing points n° 3 holes Ø 3 mm Tolerances according to STP0015...
  • Page 9: Technical Features

    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.
  • Page 10: High 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...
  • Page 11: Low Voltage Connections

    Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 5.3.4 - Low Voltage Connections Connector Type of Connection Description name Molex Microfit Heat Demand (LV) switch input Molex Microfit External Reset switch input Molex Microfit Error Output (to Esys 2)
  • Page 12 Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 Electrical rating Value Fusing Ext. fuse 2A slow sand filled Relay output (LPG) 230 VAC, 0,8 A max, cos φ = 0,6 Gas valve output 230 Vrac, 50 mA High limit switch input 24 VDC (22 kΩ)
  • Page 13: Timing Diagram

    Honeywell Heating & Cooling Appliance Controls Title: Functional description S4965A3025 Doc.: S4965A3025E20 5.4 - Timing diagram Fig. 3 - Timing diagram. Description Sign. E.C.N. Date Rev. First issue M.Matiasko 01-Sep-2015 Page 13/22...
  • Page 14: Recommended Peripheral Devices

    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.
  • Page 15: Modes Of Operation

    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;...
  • Page 16: Ignition Sequence

    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.
  • Page 17: Control Panel For Esys

    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.
  • Page 18: History Information

    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);...
  • Page 19: Other Documentation

    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...
  • Page 20: Installation

    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.
  • Page 21: Cables And Wirings

    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.
  • Page 22: Adjustments And Final Checkout

    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.