Honeywell W7750A Products Covered, Organization of Manual, Applicable Literature, Form No Title

Page 8

EXCEL 10 W7750A,B,C CONSTANT VOLUME AHU CONTROLLER

Like the W7751 VAV Box Controller, the W7750 Controller can

Form No.

Title

monitor a space-mounted occupancy sensor, and a door/

 

 

window contact. These inputs affect the operational mode of

74-2956

Excel 10 W7750A,B,C Controller Specification

the controller (see Table 5 for a list of all possible modes of

 

Data

operation).

74-2697

Excel 10 T7770A,B,C,D,E,F,G Wall Module

The W7750 Controller allows other controllers in the system to

 

Specification Data

use the W7750s physical inputs and outputs. A digital input

 

 

and an analog input can be configured to read switch states

74-3097

T7560A,B Digital Wall Module Specification

and voltage sensor values, respectively, and send them out

 

Data

over the LONWORKS Bus network. The Q7750A Zone

 

 

Manager can use these values in custom control strategies.

74-2950

Excel 10 Q7750A, Zone Manager Specification

Additionally, two of the W7750 digital outputs are available for

 

Data

control program use. These outputs only respond to signals

 

 

sent over the network, and are not controlled by the W7750

74-2952

Excel 10 Q7751A,B Router Specification Data

internal control algorithms.

74-2954

Excel 10 Q7752A Serial Interface Specification

 

 

Products Covered

 

Data

 

 

This System Engineering Guide describes how to apply the

74-3067

Q7752B PCMCIA LONWORKS PCC-10 Card

Excel 10 family of W7750 CVAHU Controllers and related

 

Specification Data

accessories to typical applications. The specific devices

74-2858

Excel 10 Q7740A,B FTT Repeaters

covered include:

•

W7750A,B,C Controllers.

 

Specification Data

74-2951

Excel 10 Q7750A Zone Manager Checkout

• T7770A through D Wall Modules.

•

T7560A,B Wall Modules.

 

and Test Manual

• Q7750A Excel 10 Zone Manager.

95-7521

Excel 10 W7750A,B,C Controller Installation

• Q7751A,B Router (FTT to FTT and TPT to FTT).

•

Q7752A Serial Interface.

 

Instructions

• Q7740A,B Repeaters (2-way and 4-way).

95-7538

Excel 10 T7770A,B,C,D,E,F,G Wall Module

• 209541B FTT Termination Module.

 

 

 

Installation Instructions

Organization of Manual

95-7620

T7560A,B Digital Wall Module Installation

This manual is divided into three basic parts: the Introduction,

 

Instructions

the Application Steps, and the Appendices that provide

95-7509

Excel 10 Q7750A Zone Manager Installation

supporting information. The Introduction and Application

Steps 1 through 5 provide the information needed to make

 

Instructions

accurate material ordering decisions. Application Step 6 and

95-7510

Excel 10 Q7751A,B Router Installation

the Appendices include configuration engineering that can be

started using Excel E-Vision PC Software after the devices

 

Instructions

and accessories are ordered. Application Step 7 is

95-7511

Excel 10 Q7752A Serial Interface Installation

troubleshooting.

The organization of the manual assumes a project is being

 

Instructions

95-7613

Q7752B PCMCIA LONWORKS PCC-10 Card

engineered from start to finish. If an operator is adding to, or is

changing an existing system, the Table of Contents can

 

Installation Instructions

provide the relevant information.

 

 

Applicable Literature

95-7555 Excel 10 Q7740A,B FTT Repeaters Installation Instructions

The following list of documents contains information related to

95-7554

Excel 10 209541B Termination Module

the Excel 10 W7750 CVAHU Controller and the EXCEL 5000

 

Installation Instructions

OPENSYSTEM in general.

74-2588

Excel E-Vision User’s Guide

 

 

74-5587

CARE User’s Manual

 

74-1392

CARE Excel 10 Zone Manager User’s Guide

 

74-5577

CARE Icon Guide

 

74-2039

XBS User’s Manual

 

74-5018

XBS Application Guide

74-2958— 1

8

Page 7 Page 9
Image 8
Page 7 Page 9
Contents Excel 72-2958 General Considerations W7750 ControllersAppendices List of Figures 74-2958Setpoint ramping parameters with ramp rate calculation 74-2958List of Tables Description of Devices Typical system overviewControl Application Control ProvidedProducts Covered Organization of ManualApplicable Literature Form No TitleProduct Names Agency ListingsAbbreviations and Definitions Construction ControllersW7750A DI-1Special Note for the W7750B,C Unit Performance SpecificationsPower Memory Capacity Specified Space Temperature Sensing RangeCPU Excel 10 W7750C Constant Volume AHU Controller Jack DIN rail adapters Lonmark Functional ProfileInputs/Outputs Analog InputsDigital Outputs Digital InputsTriac Outputs on the W7750B,C Models only Wall Modules Duct SensorT7770A1006 T7770CT7560A,B construction in in. mm Configurations GeneralConfiguration Options Summary For W7750A,B,C Controllers Allowable Heating and Cooling Equipment Configurations Staged HEATING/COOLING ControlHeat Pump Control Modulating HEATING/COOLING ControlEconomizer Control Pneumatic Actuator ControlOccupancy Sensor Window Open/Closed Digital InputWall Module Options MIXED-OUTPUT-TYPE ControlModes of Operation Dirty Filter MonitorIndoor Air Quality IAQ Override Smoke ControlOFF Mode DisabledNot AssignedOverview Plan the SystemDetermine Other Bus Devices Required Step No DescriptionLay Out Communications and Power Wiring Lonworks Bus LayoutExcel VAV Cvahu DeviceVA Information Obtained from Power WiringPower Budget Calculation Example VA Ratings For Transformer Sizing Device Description ML6161A/B Damper Actuator, 35 lb-in R8242A ContactorML7984B PWM Valve Actuator 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 EquipmentSensor with Bypass/LED and Lonworks Jack T7770 and T7560 Wall ModulesHoneywell Logo T7770D1018 Echelon Based Components and Parts Accessories SensorsAccessories Configure Controllers TroubleshootingTroubleshooting Excel 10 Controllers and Wall Modules CablingResistance Value ohms AlarmsExcel 10 Alarms Broadcasting the Service Message W7750 Controller Status LEDAppendix A. Using E-Vision to Commission a W7750 Controller Setting the Pid ParametersT7770C,D Wall Module Bypass Pushbutton and Override LED Sensor CalibrationAppendix B. Sequences of Operation Common Operations Room Temperature Sensor RmTemp HeatingEconomizer IAQ OptionBypass Mode StatusOvrd and StatusLed Remote Setpoint RmtStptPotSetpoint Limits LoSetptLim and HiSetptLim BypassTimeContinuous Unoccupied Mode Occupancy Mode and Manual Override ArbitrationNot Assigned Bypass OccupiedRecovery Ramping for Heat Pump Systems Time Clock OccTimeClockSchedule Master SchedMaster Setpoint RampingWindow Sensor StatusWndw Smoke ControlFAN Operation Demand Limit Control DLCDirty Filter Monitor Temperature Control OperationsSee for a diagram of a typical W7750 Unit Staged Cooling Control ONE StageTWO Stages Three StagesCascade Control of Modulating COOLING/HEATING Series 60 Modulating ControlPulse Width Modulating PWM Control Outdoor AIR Lockout of HEATING/COOLINGEconomizer ENABLE/DISABLE Control Indoor AIR Quality IAQ OverrideFreeze Stat Discharge AIR LOW Limit ControlInput Output Points Address Control Parameters AddressEnergy Management Points Address Status Points AddressMappable User Addresses and Table Number Relative Temperature Air FlowCO2 Concentration EnthalpyApplication reset therefore, these points can Placed in manual mode through a menuValid states and the corresponding Enumerated values are shownDefault Input/Output PointsNvName Field Name CommentsNciIoSelect DigitalIn1 Occsensor Shcedmasterin255 NciIoSelect DigitalIn2 Occsensor UnuseddiCOOLSTAGE1 COOLSTAGE2COOLSTAGE3 COOLSTAGE4Sixtyfifty SiinvalidTrue PPM SiinvalidFalse EconEnSw NvoIO EconEnableIn Position when poor indoor air quality is detectedStatusDI3 NvoIO UbDigitalIn OccSensr NvoIODefault Comments NvNameControl Parameters OdEnthalpyEnable MaxClRamp NciAux1SetPt UbMaxClRampS0 Degrees F/HrMinClRamp NciAux1SetPt UbMinClRampS0 Degrees F/Hr MaxClRamp, OdTempMaxClRamp,PPM Discharge air temperature cascade control loop GainCoolProp NciAux2SetPt UbKpCoolS2 Degrees F Degrees CGain for the cooling control loop GainHeatProp NciAux2SetPt UbKpHeatS2 Degrees F Degrees CEnergy Management Points Refer to WSHPEnable.value NviFree1 ValueAuxiliary functions. nviFree1 controls the FREE1OUT Network variable input failsNviTimeClk Value DestTimeClk NviTimeClk StateRefer to nviTimeClk.value 255 SrcTimeClkCt NvoTimeClk ValueStatus Points Alarmbit1 Bit Offset = SensorFailAlrmBit Offset = FrostProtectAlrm Bit Offset = InvalidSetPtAlrmNoalarm NodedisabledSmokealarm UpdateallfieldsDisabledmode StartupwaitHeat CoolStatusEconEn NvoData1 EconEnable Air flow switch is configuredNciAux1SetPts.ubOdEnthalpyEnableS2 StatusManOcc NvoData1 NetManOccHeatStgsOn NvoData1 HeatStagesOn Auxiliary heating stages are turned onCoolStgsOn NvoData1 CoolStagesOn For both heating or coolingIs 1, the algorithm controls as per the settings found NciConfig.SmokeControlController mode is switched to Freezeprotect MonitorSw NvoData1 MonSwitchBypasstimerfield TempcontrolptfieldSpacetempfield DischargetempfieldUbinvalid StatusError NvoError Errorbit0 SpaceTempErrorNvoError Errorbit0 Bit Offset = Temperature SetPtError NvoError Errorbit0NvoError Errorbit1 Bit Offset = RtnEnthalpyError NvoError Errorbit1Are disabled as if the sensor was not configured Bit Offset = SpaceCO2Error NvoError Errorbit1Bit Offset = NvWindowError NvoError Errorbit2 Bit Offset = NvDlcShedError NvoError Errorbit2Bit Offset = NvTodEventError NvoError Errorbit3 Bit Offset = NvByPassError NvoError Errorbit3Cfglocal CfgexternalCfgnul Calibration PointsConfiguration Parameters False True DisMinHtTime NciConfig DisableHeatMinTime DisMinClTime NciConfig DisableCoolMinTimeCascCntrl NciConfig CascadeControl UseRaTempCtl NciConfigLast NET Offset AbsolutemiddleNone Normal BypassonlyLonmark /Open System Points Hvacauto HvacheatHvacmrngwrmup Hvacprecool Hvaccool Hvacnightpurge Hvacnul Hvacoff74-2958 100 DestRmTemp NviSpaceTemp Degrees FSNVTtempp 14 to SrcRmTemp NvoSpaceTemp Degrees FHvactest Hvacauto HvacnulHvacmrngwrmup Alarmnotifydisabled NvoStatus Electricalfault 103 NvoStatus Inalarm255 Not configured 74-2958 NvoStatus UnabletomeasureSwon On other nodes. If the economizer function is configured by Corresponding economizer function is not enabled becauseSrcEconEnable NvoEcon State SrcEconEnCt NvoEcon ValueDirect Access And Special Points OFF Data Share Points Approximate Memory Size Estimating Procedure =using One-to-Many and not using points= including mapped points and others for Mapped points = number of mapped points per ExcelSensor Resistance Versus Temperature Resistance Ohms Resistance SensorsSensor Type Sensor UseOffset Setpoint Temperature Direct Setpoint TemperatureT7770B,C 10K ohm setpoint potentiometer Relative Above and Below Setpoint Resistance OhmsSensor Voltage Versus Humidity Relative Humidity Percentage Voltage/Current SensorsSensor Voltage Versus Humidity Humidity Percentage Sensor Current Versus Enthalpy volts Enthalpy mA 113 74-2958MAmAmAmA AmA mA mA T7242 or equivalent74-2958 114 Sensor Voltage Versus Input Voltage To A/D Voltage to A/D Sensor Voltage Vdc Versus Pressure Inw Pressure Inw kPa Sensor Voltage VdcInw 50.0.13
Top Page Image Contents