Honeywell W7750A specifications Configuration Parameters

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Table 25. Configuration Parameters.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

User Address

NvName

Field Name

(Metric) or States plus Range

DigitalStateor ValueofState

Default

E-Vision(M,P,S)

Share

Map

DirectAccess

HardwareConfig.

ManualConfig.

Test

Comments

 

 

 

 

 

 

 

 

 

 

 

 

 

E-Vision Legend: (M) Monitor, (P) Parameter, (S) Schematic

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Physical I/O points that are configurable are in Table 20.

 

 

 

Engineering Units: English

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nciDeviceName

 

 

 

ASCII Blanks

 

 

 

 

 

 

 

DeviceName is an 18 character field used to identify the node uniquely as

 

 

 

 

 

 

 

 

 

 

 

 

 

one object at the site or project. The contents of the DeviceName is

 

 

 

 

 

 

 

 

 

 

 

 

 

maintained by a management node. If DeviceName is all ASCII blanks, it is

 

 

 

 

 

 

 

 

 

 

 

 

 

considered unconfigured.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nciApplVer

application_type

0 to 255

 

0

 

 

 

 

 

 

 

ApplicationType identifies the current application number of the Excel 10.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nciApplVer

version_no

0 to 255

 

0

 

 

 

 

 

 

 

VersionNumber identifies the version number of the Excel 10 application.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nciApplVer

time

Seconds

 

0

 

 

 

 

 

 

 

The time stamp of the last change to the Excel 10 application

 

 

 

 

 

 

 

 

 

 

 

 

 

configuration. Time meets the ANSI C time stamp requirement specifying

 

 

 

 

 

 

 

 

 

 

 

 

 

the number of seconds elapsed since midnight (0:00:00), January 1, 1970.

 

 

 

 

 

 

 

 

 

 

 

 

 

It is represented in the Intel Format.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FanMode

nciConfig

FanMode

AUTO_FAN

0

AUTO_FAN

P

 

X

X

 

 

 

FanMode specifies the operation of the fan. If the FanMode is 0

 

 

 

CONTINUOUS_FAN

1

 

 

 

 

 

 

 

 

(AUTO_FAN), then the fan cycles on and off with demand for cooling and

 

 

 

 

 

 

 

 

 

 

 

 

 

may cycle with heating if FanOnHeat is TRUE. If the FanMode is 1

 

 

 

 

 

 

 

 

 

 

 

 

 

(CONTINUOUS_FAN), then the fan runs continuously when the effective

 

 

 

 

 

 

 

 

 

 

 

 

 

occupancy is OC_OCCUPIED or OC_BYPASS. The fan cycles on and off

 

 

 

 

 

 

 

 

 

 

 

 

 

with demand for cooling and may cycle with heating if FanOnHeat is TRUE

 

 

 

 

 

 

 

 

 

 

 

 

 

during the OC_UNOCCUPIED or OC_STANDBY modes.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EconMode

nciConfig

EconEnable

DIGITAL_IN

0

ECON_NUL

P

 

X

X

 

 

 

EconEnable specifies the method used to determine when outside air is

 

 

 

OD_TEMP

1

 

 

 

 

 

 

 

 

suitable for use to augment cooling. The valid values are according to the

 

 

 

OD_ENTH_A_TYPE

2

 

 

 

 

 

 

 

 

enumerated list that is shown in the Engineering Units/States column.

 

 

 

OD_ENTH_B_TYPE

3

 

 

 

 

 

 

 

 

 

 

 

 

OD_ENTH_C_TYPE

4

 

 

 

 

 

 

 

 

 

 

 

 

OD_ENTH_D_TYPE

5

 

 

 

 

 

 

 

 

 

 

 

 

DIFF_TEMP

6

 

 

 

 

 

 

 

 

 

 

 

 

SINGLE_ENTH

7

 

 

 

 

 

 

 

 

 

 

 

 

DIFF_ENTH

8

 

 

 

 

 

 

 

 

 

 

 

 

ECON_NUL

255

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SmkCtlMode

nciConfig

SmokeControl

FAN_OFF_DAMPER_CLOSED

0

FAN_OFF_DAMPER_

P

 

X

X

 

 

 

SmokeControl specifies the operation of the economizer damper and the

 

 

 

FAN_ON_DAMPER_OPEN

1

CLOSED

 

 

 

 

 

 

 

fan when the mode is SMOKE_EMERGENCY.

 

 

 

FAN_ON_DAMPER_CLOSED

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HeatCycHr

nciConfig

ubHeatCph

2 to 12

 

6

P

 

X

X

 

 

 

HeatCph specifies the mid-load number of on/off cycles per hour when the

 

 

 

 

 

 

 

 

 

 

 

 

 

mode is HEAT. In addition the cycle rate specifies the minimum on and off

 

 

 

 

 

 

 

 

 

 

 

 

 

time. Refer to Table 17 Interstage Minimum Times of the System

 

 

 

 

 

 

 

 

 

 

 

 

 

Engineering Guide for the actual values.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CoolCycHr

nciConfig

ubCoolCph

2 to 12

 

3

P

 

X

X

 

 

 

CoolCph specifies the mid-load number of on/off cycles per hour when the

 

 

 

 

 

 

 

 

 

 

 

 

 

mode is COOL. In addition the cycle rate specifies the minimum on and off

 

 

 

 

 

 

 

 

 

 

 

 

 

time. Refer to Table 17 Interstage Minimum Times of the System

 

 

 

 

 

 

 

 

 

 

 

 

 

Engineering Guide for the actual values.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FanRunOnCool

nciConfig

ubFanRunonCoolS0

Seconds

 

0

P

 

X

X

 

 

 

FanRunonCool specifies how long the fan runs after all the cooling stages

 

 

 

0 to 120

 

 

 

 

 

 

 

 

 

have turned off. The fan is turned off FanRunonCool seconds after all the

 

 

 

 

 

 

 

 

 

 

 

 

 

cooling demand has turned off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FanRunOnHeat

nciConfig

ubFanRunonHeatS0

Seconds

 

0

P

 

X

X

 

 

 

FanRunonHeat specifies how long the fan runs after all the heating stages

 

 

 

0 to 120

 

 

 

 

 

 

 

 

 

have turned off. The fan is turned off FanRunonHeat seconds after all the

 

 

 

 

 

 

 

 

 

 

 

 

 

heating demand has turned off.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER

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Contents Excel Appendices General Considerations W7750 Controllers72-2958 List of Figures 74-2958Setpoint ramping parameters with ramp rate calculation 74-2958List of Tables Description of Devices Typical system overviewControl Application Control ProvidedApplicable Literature Products CoveredOrganization of Manual Form No TitleProduct Names Agency ListingsAbbreviations and Definitions Construction ControllersW7750A DI-1Power Performance SpecificationsSpecial Note for the W7750B,C Unit CPU Specified Space Temperature Sensing RangeMemory Capacity Excel 10 W7750C Constant Volume AHU Controller Jack DIN rail adapters Lonmark Functional ProfileInputs/Outputs Analog InputsTriac Outputs on the W7750B,C Models only Digital InputsDigital Outputs T7770A1006 Wall ModulesDuct Sensor T7770CT7560A,B construction in in. mm Configurations GeneralConfiguration Options Summary For W7750A,B,C Controllers Heat Pump Control Allowable Heating and Cooling Equipment ConfigurationsStaged HEATING/COOLING Control Modulating HEATING/COOLING ControlEconomizer Control Pneumatic Actuator ControlWall Module Options Occupancy SensorWindow Open/Closed Digital Input MIXED-OUTPUT-TYPE ControlIndoor Air Quality IAQ Override Modes of OperationDirty Filter Monitor Smoke ControlNot OFF ModeDisabled AssignedDetermine Other Bus Devices Required OverviewPlan the System Step No DescriptionLay Out Communications and Power Wiring Lonworks Bus LayoutExcel VAV Cvahu Power Budget Calculation Example Power WiringDeviceVA Information Obtained from ML7984B PWM Valve Actuator VA Ratings For Transformer Sizing Device DescriptionML6161A/B Damper Actuator, 35 lb-in R8242A Contactor Line LossPower wiring details for one Excel 10 per Transformer Nema class 2 transformer voltage output limitsPrepare Wiring Diagrams General ConsiderationsW7750 Controllers Factory Default Digital Outputs Terminal Terminal Number DescriptionConstant Volume AHU Controller ML6161 Floating Actuator COM CCW Load Controller Power Heat Wall Economizer Damper PWM Actuator Power Signal W7750C Constant Lonworks Bus Termination Module Pneumatic transducer to W7750B,C Shown, see triangle noteBrown Orange Lonworks Bus termination wiring options Order EquipmentHoneywell Logo T7770D1018 T7770 and T7560 Wall ModulesSensor with Bypass/LED and Lonworks Jack Accessories Accessories SensorsEchelon Based Components and Parts Troubleshooting Excel 10 Controllers and Wall Modules Configure ControllersTroubleshooting CablingExcel 10 Alarms AlarmsResistance Value ohms Broadcasting the Service Message W7750 Controller Status LEDT7770C,D Wall Module Bypass Pushbutton and Override LED Appendix A. Using E-Vision to Commission a W7750 ControllerSetting the Pid Parameters Sensor CalibrationAppendix B. Sequences of Operation Common Operations Economizer Room Temperature Sensor RmTempHeating IAQ OptionSetpoint Limits LoSetptLim and HiSetptLim Bypass Mode StatusOvrd and StatusLedRemote Setpoint RmtStptPot BypassTimeNot Assigned Continuous Unoccupied ModeOccupancy Mode and Manual Override Arbitration Bypass OccupiedSchedule Master SchedMaster Recovery Ramping for Heat Pump SystemsTime Clock OccTimeClock Setpoint RampingFAN Operation Window Sensor StatusWndwSmoke Control Demand Limit Control DLCSee for a diagram of a typical W7750 Unit Temperature Control OperationsDirty Filter Monitor TWO Stages Staged Cooling ControlONE Stage Three StagesPulse Width Modulating PWM Control Cascade Control of Modulating COOLING/HEATINGSeries 60 Modulating Control Outdoor AIR Lockout of HEATING/COOLINGFreeze Stat Economizer ENABLE/DISABLE ControlIndoor AIR Quality IAQ Override Discharge AIR LOW Limit ControlEnergy Management Points Address Input Output Points AddressControl Parameters Address Status Points AddressMappable User Addresses and Table Number CO2 Concentration Relative TemperatureAir Flow EnthalpyValid states and the corresponding Application reset therefore, these points canPlaced in manual mode through a menu Enumerated values are shownNvName Field Name DefaultInput/Output Points Comments255 NciIoSelect DigitalIn2 NciIoSelect DigitalIn1Occsensor Shcedmasterin Occsensor UnuseddiCOOLSTAGE3 COOLSTAGE1COOLSTAGE2 COOLSTAGE4Sixtyfifty SiinvalidFalse PPM SiinvalidTrue StatusDI3 NvoIO UbDigitalIn EconEnSw NvoIO EconEnableInPosition when poor indoor air quality is detected OccSensr NvoIODefault Comments NvNameControl Parameters MinClRamp NciAux1SetPt UbMinClRampS0 Degrees F/Hr OdEnthalpyEnableMaxClRamp NciAux1SetPt UbMaxClRampS0 Degrees F/Hr MaxClRamp, OdTempMaxClRamp,PPM Gain for the cooling control loop Discharge air temperature cascade control loopGainCoolProp NciAux2SetPt UbKpCoolS2 Degrees F Degrees C GainHeatProp NciAux2SetPt UbKpHeatS2 Degrees F Degrees CEnergy Management Points Auxiliary functions. nviFree1 controls the FREE1OUT Refer to WSHPEnable.valueNviFree1 Value Network variable input failsRefer to nviTimeClk.value NviTimeClk ValueDestTimeClk NviTimeClk State 255 SrcTimeClkCt NvoTimeClk ValueStatus Points Bit Offset = FrostProtectAlrm Alarmbit1Bit Offset = SensorFailAlrm Bit Offset = InvalidSetPtAlrmSmokealarm NoalarmNodedisabled UpdateallfieldsHeat DisabledmodeStartupwait CoolNciAux1SetPts.ubOdEnthalpyEnableS2 StatusEconEn NvoData1 EconEnableAir flow switch is configured StatusManOcc NvoData1 NetManOccCoolStgsOn NvoData1 CoolStagesOn HeatStgsOn NvoData1 HeatStagesOnAuxiliary heating stages are turned on For both heating or coolingController mode is switched to Freezeprotect Is 1, the algorithm controls as per the settings foundNciConfig.SmokeControl MonitorSw NvoData1 MonSwitchSpacetempfield BypasstimerfieldTempcontrolptfield DischargetempfieldUbinvalid NvoError Errorbit0 StatusError NvoError Errorbit0SpaceTempError Bit Offset = Temperature SetPtError NvoError Errorbit0Are disabled as if the sensor was not configured NvoError Errorbit1Bit Offset = RtnEnthalpyError NvoError Errorbit1 Bit Offset = SpaceCO2Error NvoError Errorbit1Bit Offset = NvTodEventError NvoError Errorbit3 Bit Offset = NvWindowError NvoError Errorbit2Bit Offset = NvDlcShedError NvoError Errorbit2 Bit Offset = NvByPassError NvoError Errorbit3Cfgnul CfglocalCfgexternal Calibration PointsConfiguration Parameters False True CascCntrl NciConfig CascadeControl DisMinHtTime NciConfig DisableHeatMinTimeDisMinClTime NciConfig DisableCoolMinTime UseRaTempCtl NciConfigNone Normal Last NETOffset Absolutemiddle BypassonlyLonmark /Open System Points Hvacmrngwrmup Hvacprecool Hvaccool Hvacnightpurge Hvacnul HvacautoHvacheat HvacoffSNVTtempp 14 to 74-2958 100DestRmTemp NviSpaceTemp Degrees F SrcRmTemp NvoSpaceTemp Degrees FHvacmrngwrmup Hvacauto HvacnulHvactest Alarmnotifydisabled 255 Not configured 74-2958 NvoStatus Electricalfault103 NvoStatus Inalarm NvoStatus UnabletomeasureSwon SrcEconEnable NvoEcon State On other nodes. If the economizer function is configured byCorresponding economizer function is not enabled because SrcEconEnCt NvoEcon ValueDirect Access And Special Points OFF Data Share Points = including mapped points and others for Approximate Memory Size Estimating Procedure=using One-to-Many and not using points Mapped points = number of mapped points per ExcelSensor Type Sensor Resistance Versus Temperature Resistance OhmsResistance Sensors Sensor UseT7770B,C 10K ohm setpoint potentiometer Relative Offset Setpoint TemperatureDirect Setpoint Temperature Above and Below Setpoint Resistance OhmsSensor Voltage Versus Humidity Humidity Percentage Voltage/Current SensorsSensor Voltage Versus Humidity Relative Humidity Percentage Sensor Current Versus Enthalpy volts Enthalpy mA 113 74-295874-2958 114 T7242 or equivalentMAmAmAmA AmA mA mA Sensor Voltage Versus Input Voltage To A/D Voltage to A/D Inw Sensor Voltage Vdc Versus Pressure InwPressure Inw kPa Sensor Voltage Vdc 50.0.13