1. Manuals
  2. Brands
  3. Delta Controls Manuals
  4. Controller
  5. eZFC-424R4-24
  6. Application manual

Delta Controls eZFC-424R4-24 Application Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

eZFC-424R4-24
Application Guide
Edition 2.6

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the eZFC-424R4-24 and is the answer not in the manual?

Questions and answers

Related Manuals for Delta Controls eZFC-424R4-24

Summary of Contents for Delta Controls eZFC-424R4-24

  • Page 1 Application Guide Edition 2.6...

  • Page 2: Table Of Contents

    Table of Contents Copyright About the eZFC-424R4-24 About This Guide Upgrading Firmware Upgrading From 1.x to 2.2 Upgrading From 2.x to 2.2 Object Restriction Settings (ORS) ORS Troubleshooting Connecting to the Controller Setting the MS/TP Address BACnet Device Addressing About the enteliZONE ORCAview Configuration Graphic...
  • Page 3 Setting Up a Hardwired CO2 Sensor Setting Up a Fan Speed Switch Setting Up a Fan Coil 2-Pipe Changeover Sensor Setting Up a Condensate Level Switch Setting Up Other Supporting Inputs Page 2 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 4 Set Up the LCD Display Assigning Buttons and Slider Elements on eZNS-T100 Network Sensor Introduction Set Up the Buttons and Slider Elements Configuring DNS-24L Network Sensor Introduction Set Up the Temperature Sensor eZFC-424R4-24 Application Guide Page 3 of 84 Edition 2.6...
  • Page 5 Discharge Air Temperature Limiting Setpoint Differentials Discharge Air Temperature High Limit Setpoint Differential (DATHiLimitSetpointDiff) Discharge Air Temperature Low Limit Setpoint Differential (DATLowLimitSetpointDiff) Controllers Tab What is the Controllers Tab? Controller Type Proportional Band Page 4 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 6 Heating (Fancoil) Cooling (Fancoil) Time-Proportional Heating and Cooling Auto Changeover Discharge Air Temperature Fan (Fancoil) Manual Fan Speed Control Automatic Fan Speed Control Fan Stages Demand Control Ventilation Open Window Detection eZFC-424R4-24 Application Guide Page 5 of 84 Edition 2.6...
  • Page 7 Input Configuration Objects Occupancy Configuration Objects Output Configuration Objects Setpoint Configuration Objects Device Instance/ BACnet Address Object Control Types What are Control Types? Open Source Licensing lwIP ST Microelectronics Document Revision History Page 6 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 8: Copyright

    Information in this document is subject to change without notice and does not represent a commitment to past versions of this document on the part of Delta Controls Inc. Delta Controls Inc. may make improvements and/or changes to this document /the associated software/or associated hardware at any time.

  • Page 9: About The Ezfc-424R4-24

    The ORCAview configuration graphic version referenced in this guide is B-169041.1. For help with the eZFC-424R4-24 configuration page in enteliWEB 4.3 and higher, go to the online help in enteliWEB. enteliWEB users require the applicable object permissions to change the settings on the configuration page.

  • Page 10: Upgrading From 2.X To 2.2

    Upgrading From 2.x to 2.2 See the release notes of the firmware version you are upgrading to for more information. Release notes are available on the Delta Controls Support web site Object Restriction Settings (ORS) The Object Restriction Settings (ORS) object allows the user to limit which database objects can be viewed and edited.

  • Page 11: Bacnet Device Addressing

    MS/TP address. DNA is a Delta Controls proprietary function that can only be used when the parent controller is a Delta Controls device. When DNA is enabled (by default), the first part of the BACnet address is inherited from the parent controller.

  • Page 12: About The Entelizone Orcaview Configuration Graphic

    Downloading the ORCAview Configuration Graphic You can download the configuration graphic from the enteliZONE controller product web page on the Delta Controls Support web site and install it on your operator workstation. Installing the ORCAview Configuration Graphic To install the configuration graphic in ORCAview: 1.

  • Page 13: Method 1 (Recommended)

    When you switch between controllers, any changes made in a previous session will be saved automatically before you switch to the next controller. Page 12 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 14: Save To Flash, Save To Pc And Load From Pc

    There is a quick way to open the ORCAview object dialogs by right-clicking on the configured input and output numbers in the configuration graphic. In the example below, when you right-click on the number 1 and select Open SpaceTemp_AI1, the AI1 object dialog opens onscreen. eZFC-424R4-24 Application Guide Page 13 of 84 Edition 2.6...

  • Page 15: Configurable And Programmable Entelizone Controllers

    For a complete list of enteliZONE supported object types and the number of instances allowed for each object, go to the enteliZONE overview page on the Delta Controls Support web site. LINKnet Devices Configurable controllers can only connect to 1 LINKnet device at a time. This LINKnet device has to have a device address of "1"...

  • Page 16: Data Exchange

    Used when you have a binary value with feedback. An alarm is generated if Command monitored values do not match the feedback value. Failure Used to alarm when an analog value varies more than a set limit from a variable Floating setpoint value. Limit eZFC-424R4-24 Application Guide Page 15 of 84 Edition 2.6...

  • Page 17: Trend Logs

    Custom alarm messages are supported by the following firmware versions: eZV-440 controller firmware version 2.1 and higher for EV objects only. eZFC-424R4-24 controller firmware version 2.2 and higher for EV objects only. eZ-440R4-230 controller firmware version 2.1 and higher for EV objects only.

  • Page 18: Programming

    Supported GCL+ Programming Functions, Statements and Operators The Call Statement is not used in the programmable enteliZONE controllers. Unlike other programmable Delta Controls controllers, the 3 programs in the programmable enteliZONE controllers are automatically scanned. The scan rate is also designed to be a constant 10 scans/second.

  • Page 19: Enocean Integration (Firmware 2.2 And Higher)

    Upgrade to Fully Programmable Using Flash Loader (firmware 2.2 and higher) Delta Controls Flash Loader (Version 3.40 R4) can be used to upgrade controllers from configurable to fully programmable versions. Flash Loader is part of the ORCAview suite of software.

  • Page 20: Fan Coil Programmable Objects

    AV812 Fan3 Determines the heating and cooling load AV802 HeatCoolLoad Controller Manager on the system. Cooling Stage AV806 Cool1 Controls the cooling sequence. Manager AV807 Cool2 AV810 Fan1 AV811 Fan2 AV812 Fan3 eZFC-424R4-24 Application Guide Page 19 of 84 Edition 2.6...

  • Page 21: Relationship Between Algorithm Unit Modules

    CurrentHeatingSetpoint AV801 CurrentCoolingSetpoint Determines whether the space requires Heat Cool Manager AV802 HeatCoolLoad heating or cooling. Relationship Between Algorithm Unit Modules The PDF displays the relationships between unit modules. Page 20 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 22 AV811 Fan2 AV812 Fan3 AV806 Cool1 AV807 Cool2 AV803 Heat1 AV804 Heat2 AV805 Heat3 Point(s) in each algorithm manager box can be used to override the algorithm manager Relationship between points eZFC-424R4-24 Application Guide Page 21 of 84 Edition 2.6...

  • Page 23: General Tab

    Field Description Name Name Displays the name of the controller as it appears in the Device Object. Displays the controller's Delta Controls model number. Model Name Displays the controller's algorithm version. Application In the ORCAview configuration graphic, this field is called the Firmware Version Version.

  • Page 24: Network Settings

    Addressing, a system of organizing and configuring controllers in a network. When DNA is enabled, addresses are automatically assigned to a device based on the BACnet network type and the Delta Controls product type, so that a device can work out-of-the-box without much set up.

  • Page 25: Global Settings

    Application the algorithm that will be used for the controller. Type The options for the eZFC-424R4-24 and eZ-440R4-230 controllers are FanCoil_ (Fan Coil Unit), HeatPump_ (Heat Pump), RadiantHeat_ (Radiant Heat) and None. The configurable controller has no functional state until you select an algorithm.
  • Page 26 FanMode is set to Manual, the child controller’s fan speed follows the ManualFanSpeedCmd value polled from the parent. In this mode, local fan speed switch or stat fan control button will be suppressed. eZFC-424R4-24 Application Guide Page 25 of 84 Edition 2.6...

  • Page 27: Local Inputs Tab

    Space temperature sensor and the occupancy toggle push OccToggleButton_ button are wired into the same input. This can be a normally open contact wired in parallel or a normally closed contact wired in series with the temperature sensor. Page 26 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 28: Setting Up A Hardwired Occupancy Input

    OccMaintainedContact_ Any maintained contact device like a hotel keycard holder, manual switch or mechanical time clock input. eZFC-424R4-24 Application Guide Page 27 of 84 Edition 2.6...
  • Page 29 3. If you had selected any occupancy button options, in the additional settings, in the PushButtonOvrdTime field, enter how long the button override should last. Page 28 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 30: Setting Up A Hardwired Co2 Sensor

    To disable CO2-based occupancy detection, set this value to 2000 ppm. (enteliWEB only) In the CO2 Occupancy Off Setpoint field, enter the CO2 setpoint value that will cancel an occupancy event. eZFC-424R4-24 Application Guide Page 29 of 84 Edition 2.6...

  • Page 31: Setting Up A Fan Speed Switch

    3. The Input Name field displays the object's name. You can change this name by clearing the field and entering a new name. For more information about the auto changeover works, see the Sequence of Operations help topic. Page 30 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 32: Setting Up A Condensate Level Switch

    2. Select the associated action/scale option for the input. 3. If you had selected the SpaceTempSetpoint_ option to set up a resistive slider, in additional settings, in the SetpointSliderMinResistance field, enter the minimum resistance of the eZFC-424R4-24 Application Guide Page 31 of 84 Edition 2.6...

  • Page 33: Setting Up Damper Feedback

    0 to 100%. 4. (enteliWEB only) The Input Name field displays the object's name. You can change this name by clearing the field and entering a new name. Page 32 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 34: Local Outputs Tab

    This topic describes how to set up fan coil outputs (fan, heat and cooling) on the Local Outputs tab of the enteliZONE configuration page. The eZFC-424R4-24 and eZ-440R4-230 enteliZONE controllers support the fan coil and heat pump algorithms. The fan coil and heat pump algorithms support:...
  • Page 35 This allows the algorithm to estimate the valve position by keeping track of how many seconds it runs in each direction. 5. Complete this task by setting up a fan output. Page 34 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 36: Setting Up A Fan Output

    Allows you to select the occupancy mode in which the fan runs constantly. In occupancy modes where the fan is not running constantly, the algorithm assumes the fan is running intermittently. eZFC-424R4-24 Application Guide Page 35 of 84 Edition 2.6...
  • Page 37 100%. When you select a binary control type for a single or multi-speed fan, this field displays the maximum supported fan speed. Page 36 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 38: Setting Up Other Outputs

    Any one of the following: ElectricBaseboard_, Select one: Heat1_, Heat2_ or HydronicBaseboard_ Heat3_. 2PipeChangeOverValve HeatCoolChangeOverCmd is the default option. GCL-controlled AO_ None_ is the default option. GCL-controlled BO_ None_ is the default option. eZFC-424R4-24 Application Guide Page 37 of 84 Edition 2.6...

  • Page 39: Setting Up A Damper Output

    4. In the Action field, choose between direct or reverse control. 5. (enteliWEB only) The Output Name field displays the object's name. You can change this name by clearing the field and entering a new name. Page 38 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 40: Linknet I/O Tab

    Input object AI1001 created but its value will not be used by the MonitoringOnly internal algorithm for space temperature control. eZFC-424R4-24 Application Guide Page 39 of 84 Edition 2.6...

  • Page 41: Set Up The Humidity Sensor

    Function Select this option if: None The occupancy sensor on the eZNS sensor is not used. The motion sensor on the eZNS network sensor is used to OccupancyDetection detect occupancy. Page 40 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 42: Assign Functions To The Buttons And Slider

    The setpoint is displayed when the Temp Select, Temp Up or Temp On Button Down buttons are pressed. Press Always The setpoint is always displayed on the LCD in occupied mode. eZFC-424R4-24 Application Guide Page 41 of 84 Edition 2.6...

  • Page 43: Assigning Buttons And Slider Elements On Ezns-T100 Network Sensor

    There are as many as 95 button overlay combinations available for the eZNS network sensor. Fortunately, all these combinations are based on this single layout which consists of 8 buttons and the slider element: Page 42 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 44 2 additional up and down buttons, or omitted. In overlays where there are less than 8 buttons, button areas are merged together and counted as one (see the examples below). (click to view larger version of image or images) eZFC-424R4-24 Application Guide Page 43 of 84 Edition 2.6...

  • Page 45: Set Up The Buttons And Slider Elements

    GCL programming on a programmable controller. To designate a button to a custom button behavior, select NotUsed_ from the Function field and refer to the button’s KeyPress property in the GCL program. Page 44 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 46 In the programmable controller model, this setting can be overridden using GCL. In the additional settings, in the OccSetpointOffsetReset field, you can turn on the Occupancy Setpoint Offset Reset function*. eZFC-424R4-24 Application Guide Page 45 of 84 Edition 2.6...
  • Page 47 * Occupancy Setpoint Offset Range resets the occupancy setpoint offset at the start of a new occupancy period. 2. In the Slider field, select a function that you want to assign to the slider: Page 46 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 48: Configuring Dns-24L Network Sensor

    Set Up the Temperature Sensor See the temperature sensor set up section for the eZNS network sensor. Set Up the Humidity Sensor See the humidity sensor set up section for the eZNS network sensor. eZFC-424R4-24 Application Guide Page 47 of 84 Edition 2.6...

  • Page 49: Set Up The Co2 Sensor

    To designate a button to a custom button behavior, select NotUsed_ from the Function field and refer to the button’s KeyPress property in the GCL program. Page 48 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 50: Set Up The Button Elements

    PushButtonOvrdTime field, you can enter how long the button override should last. Recommended for use with the eZNS network TempUnitsToggle_ Not applicable sensor. Toggles between displaying the temperature in Celsius and the temperature in Fahrenheit. eZFC-424R4-24 Application Guide Page 49 of 84 Edition 2.6...
  • Page 51 Not applicable sensor. Recommended for use with the eZNS network FanSelect_ Not applicable sensor. * Occupancy Setpoint Offset Range resets the occupancy setpoint offset at the start of a new occupancy period. Page 50 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 52: Setpoints Tab

    Heating and Cooling setpoints in occupied mode. For example, when you enter a value of 2.0, the offset range is ±2.0 from the heating setpoint and ±2.0 from the cooling setpoint. eZFC-424R4-24 Application Guide Page 51 of 84 Edition 2.6...

  • Page 53: Eco Mode Setback (Ecomodesetback)

    Discharge Air Temperature Low Limit Setpoint Differential (DATLowLimitSetpointDiff) Discharge Air Temperature Low Limit Setpoint Differential. Used to calculate the minimum limit below the CurrentCoolSetpoint (AV801) maintained by the enteliZONE algorithm during ducted cooling stages. Page 52 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 54: Controllers Tab

    When the input is outside of the reset band, the effective reset rate is equal to the specified reset rate. When the input is within the reset band, the effective reset rate is proportionally reduced. When the input is within the deadband, no further reset action occurs. eZFC-424R4-24 Application Guide Page 53 of 84 Edition 2.6...

  • Page 55: Outdoor Air Temperature Heating Lockout Setpoint (Oat Htg Lockout)

    100%, or is a calculated value passed over the network from a supervisory controller. This field is not used for the VAV and VVT systems. Page 54 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 56: Entelizone Sequence Of Operations

    Eco mode and standby setbacks also are limited to the range between unoccupied heating and cooling setpoints. The absolute minimum value for all occupied and unoccupied setpoints is 10°C (50°F). The absolute maximum value is 30°C (86°F). eZFC-424R4-24 Application Guide Page 55 of 84 Edition 2.6...

  • Page 57: Occupancy Modes

    The space enters unoccupied mode when all occupancy inputs are off and any Unoccupied timed overrides have expired. The setpoints are allowed to relax further than standby mode for increased energy savings. Page 56 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 58: Switching Between Occupancy Modes

    If there is a schedule, OccupancyMode will go to Occupied. setpoints If there is no schedule, OccupancyMode will go to Unoccupied. Below OccupancyMode toggles between Standby and Unoccupied as CO2OccOffSetpoint scheduled inputs turn on and off. eZFC-424R4-24 Application Guide Page 57 of 84 Edition 2.6...
  • Page 59 This option is only available with the eZNS or DNS network sensors. Occupancy This is a maintained contact occupancy signal such as a mechanical Maintained time clock signal or a 2-position switch. Contact Page 58 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 60: Setpoints And Occupancy Modes

    Current cooling setpoint = Occupied cooling setpoint + Occupied setpoint offset + Eco Mode Setback + Standby Setback Unoccupied Mode In unoccupied mode: Current heating setpoint = Unoccupied heating setpoint Current cooling setpoint = Unoccupied cooling setpoint eZFC-424R4-24 Application Guide Page 59 of 84 Edition 2.6...

  • Page 61: Heating (Fancoil)

    Time-proportional heating and cooling outputs are modulated based on a pulse with a period equal to the TimePropPeriod (AV154) object value. TimePropPeriod (AV154) has a default value of 100 seconds. The algorithm supports a range between 10 to 600 seconds. Page 60 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 62: Auto Changeover

    The discharge air temperature (DAT) is the duct temperature downstream from any local heating or cooling stages that supply the air to that space. This section applies to a space with a DAT sensor and ducted heating or cooling stages. eZFC-424R4-24 Application Guide Page 61 of 84 Edition 2.6...

  • Page 63: Fan (Fancoil)

    Run the fan continuously if you want the fan coil to provide both ventilation and temperature control. If the fan coil does not provide ventilation, then running the fan intermittently will save energy. While the fan is in constant mode: Page 62 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 64: Fan Stages

    Fan turns on at 25% stage load and stays on. Fan turns on at 100% overall Analog Fan turns off when demand drops to 0%. load and turns off when the demand drops down to 0%. eZFC-424R4-24 Application Guide Page 63 of 84 Edition 2.6...
  • Page 65 FanMaxSpeed and turns off when the cooling demand. demand drops down to 25%. Turns off when duct heating or cooling demand is 25% to reduce overshoot. Page 64 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 66 FanMinSpeed and stays on. FanMaxSpeed and turns off when the demand drops down to 0%. Fan turns off when demand drops to 0%. (click to view larger version of image or images) eZFC-424R4-24 Application Guide Page 65 of 84 Edition 2.6...
  • Page 67 Sequence of Operations Page 66 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 68 In an analog duct stage, the ECM fan ramps up to 10% per second. (click to view larger version of image or images) eZFC-424R4-24 Application Guide Page 67 of 84 Edition 2.6...
  • Page 69 Analog stays on. Fan turns off when demand load and turns off when the demand drops to 0%. drops down to 0%. (click to view larger version of image or images) Page 68 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 70 Application Guide Page 69 of 84 Edition 2.6...
  • Page 71 Sequence of Operations Page 70 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 72: Demand Control Ventilation

    This means a higher CO2 airflow demand could overheat or overcool a space if that zone does not have any local temperature controls. eZFC-424R4-24 Application Guide Page 71 of 84 Edition 2.6...

  • Page 73: Open Window Detection

    60 seconds. With no reversing valve output configured, the algorithm turns the Heatx outputs on when there is heating demand, and turns the Coolx outputs on when there is cooling demand. Page 72 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 74: Entelizone Database Configuration Objects

    To disable this point, you must reset the point to clear its lastwriter value. Programs are prevented from writing to algorithm configurable MV objects, I/O configurable MV objects and network setting variables. These include MV110-147 and MV1001-1006. See the eZFC-424R4-24 or eZ-440R4-230 controller 2.2 release notes for more information. Input Configuration Objects...
  • Page 75 NotUsed_ filter to provide a signal to let operators know when it is time to change the filter. The output status of the 2-pipe HeatCool MV803 NotUsed_ fan coil. ChangeOver Status Page 74 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 76: Occupancy Configuration Objects

    Contact mechanical time clock input. Occupancy MV800 Unoccupied_ Occupancy modes. Mode Used to display the occupancy icon on the OccIndicator MV806 NotUsed_ network sensor LCD screen. eZFC-424R4-24 Application Guide Page 75 of 84 Edition 2.6...

  • Page 77: Output Configuration Objects

    (<0 = cooling, >0 = heating). Heat1 AV803 100 % First heating stage. Heat2 AV804 Second heating stage. Heat3 AV805 Third heating stage. Cool1 AV806 First cooling stage. Cool2 AV807 Second cooling stage. Page 76 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 78: Setpoint Configuration Objects

    Base heating setpoint in occupied mode OccHeating Setpoint AV100 Celsius Base cooling setpoint in occupied mode OccCooling Setpoint AV101 Celsius UnOccHeating Set- AV102 Unoccupied heating setpoint point Celsius UnOccCooling Set- AV103 Unoccupied cooling setpoint point Celsius eZFC-424R4-24 Application Guide Page 77 of 84 Edition 2.6...
  • Page 79 Celsius CoolingDemand AV167 100% Cooling demand limit. Limit CO2 high limit occupancy setpoint. CO2OccOnSetpoint AV182 CO2 low limit occupancy setpoint. CO2OccOffSetpoint AV183 CO2 demand ventilation setpoint. CO2Demand AV185 1100 VentSetpoint Page 78 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 80: Device Instance/ Bacnet Address Object

    Device Instance/ BACnet Address Object The BACnet address is a unique address given to every controller and device in a Delta Controls network. You can set or change the enteliZONE controller’s BACnet address by writing to the AV97 object (BACnetAddress) in these versions: eZ-440R4-230 controller firmware version 2.1 and higher...

  • Page 81: Control Types

    For example, if you are using the TRIAC physical output, the analog control type does not appear in the Control Type field drop-down list. The following table lists all the physical outputs and their associated control types. Page 80 of 84 eZFC-424R4-24 Application Guide Edition 2.6...
  • Page 82 Analog Analog, binary As another example, the physical outputs of the eZFC-424R4-24 controller support specific control types. See the screenshot below for more details. In this case, outputs 1 to 4 do not support analog control because they are TRIAC physical outputs. If you select HydronicDuct as a Function option in outputs 1 to 4 in enteliWEB, the analog Control Type option is absent.

  • Page 83: Open Source Licensing

    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Page 82 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

  • Page 84: St Microelectronics

    OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. eZFC-424R4-24 Application Guide Page 83 of 84 Edition 2.6...

  • Page 85: Document Revision History

    Added CO2 occupancy control in the Occupancy mode section of Sequence of Operations. Added time-proportional heating and cooling sequence of operations. Revised the discharge air temperature sequence of operations. Corrected the image of eZNS mylar 047. Page 84 of 84 eZFC-424R4-24 Application Guide Edition 2.6...

Table of Contents

Save PDF