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T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT

63-4368

General Considerations

Table

8 lists wiring types, sizes and distances for the T7350

and Excel 10 products. The T7350 terminal strip accepts 18

through 22 AWG (0.82 to 0.34 sq. mm) wire.

Table 8. Field Wiring Reference.

NOTE: 1. The X, RH and RC terminals will accept 14 to 22 AWG. 14 and 16 AWG should be avoided since the stiff cable

interferes with the cover to subbase installation.

Wire Function

Recommended Wire

Size (Minimum)

Specification or

Requirement

Honeywell Part

Number

Distance (Maximum)

Digital Outputs:

W Y G AUX X

18 AWG (0.82 sq mm)

five wire cable bundle.

Standard thermostat

wire.

AK3726

1000 feet.

Modulating Outputs:

MX MH MC

18 AWG (0.82 sq mm)

1 pair per output.

AK3757C, AK3744C,

AK3741A, AK3702x

1000 feet.

Remote Humidity

Sensor:

HS HC HP

18 to 22 AWG

(0.82 to 0.34 sq mm)

3 wires.

AK3746C, AK3724,

AK3703x

500 feet.

Discharge Air

Temperature Sensor:

18 to 22 AWG

(0.82 to 0.34 sq mm)

1 pair.

AK4606ABE,

AK4628AWH,

AK3702x, AK3741A,

AK3744C, AK3757C

1000 feet.

Outdoor Air

Temperature Sensor:

18 AWG (0.82 sq mm)

1 pair.

AK3757C, AK3744C,

AK3741A, AK3702x

500 feet.

Motion Sensor:

18 to 22 AWG

(0.82 to 0.34 sq mm)

1 pair.

AK4606ABE,

AK4628AWH,

AK3702x, AK3741A,

AK3744C, AK3757C

1000 feet.

Wall Module

connections:

T3-T7

18 to 22 AWG

(0.82 to 0.34 sq mm)

Twisted pair wire is

recommended for wire

runs longer than 100

ft. The number of pairs

depends on the model

and functions

selected.

AK4606ABE,

AK4628AWH,

AK3702x, AK3741A,

AK3744C, AK3757C,

AK3726

1000 feet.

Power Wiring to:

X RH RC

18 to 14

AWG

(0.82 to 2.0 sq mm)

use heavier wire for

longer runs.

NEC Class II,

140°F (60°C) rating.

AK3702x, AK3741A,

AK3744C, AK3757C,

AK3712x, AK3754

Limited by line-loss

effects on power

consumption.

ORKS®

Bus

(Non-Plenum).

22 AWG

(0.34 sq mm)

Nema Level IV

U.L. Type CMR

Twisted pair stranded

conductor,

nonshielded.

AK3798 (1 pair)

Refer to E-bus Wiring

Guidelines Users

Guide 74-2865 for

maximum length and

generic cable

specifications.

ORKS®

Bus

(Plenum Rated).

22 AWG

(0.34 sq mm)

Nema Level IV

U.L. Type CMP

Twisted pair stranded

conductor,

nonshielded.

AK3797 (1 pair)

AK3799 (2 pair)

—

Содержание WebStat T7350

Страница 1: ... 1 Plan the System 11 Step 2 Determine Required Network Devices 11 Step 3 Layout Communications and Power Wiring 11 LONWORKS Bus Layout 11 Cable Termination 12 Wiring Details 12 Step 4 Prepare Wiring Diagrams 12 General Considerations 15 Step 5 Order Equipment 17 Step 6 Configure T7350 17 Step 7 Troubleshooting 18 Appendix A Network Tools Workstations 20 Appendix B Network Alarm Reporting 21 Appen...

Страница 2: ...aged and modulating outputs The T7350H consists of a two piece assembly with a thermostat cover and subbase The thermostat cover includes the keypad and display for 7 day programming Calendar programming is available through a direct connect PDA Configuration Tool or network LONSPEC with model T7350H tool configuration The subbase includes equipment control inputs and network connections The subba...

Страница 3: ...ng of Occupied Unoccupied and Standby states MODELS Table 1 T7350 Communicating Thermostat Models a All models are down selectable and can be configured to control fewer stages than the maximum allowed b Heat pump applications for these models have a maximum of two heat stages and two cool stages c One extra stage of either heat or cool can be configured using the auxiliary relay Products Covered ...

Страница 4: ...0H Excel 10 and Excel 15 family of controllers LONSTATION A low cost easy to use Light Commercial Building Solution workstation that provides advanced building control capabilities for small to medium size buildings LONWORKS Network A data network based on neurons communicating with each other using the LonTalk protocol Mandatory Mechanisms Objects Network Variables Mandatory mechanisms and networ...

Страница 5: ...nclude the XL15A and XL15B Recovery Mode or Recovery Period The time in unoccupied periods when the temperature control is adjusting the control setpoint so that the space temperature reaches the occupied setpoint when the schedule change occurs RIO Excel 10 Remote Input Output device RTC Real Time Clock Schedule The structure that defines the occupancy states and the time of the changes between t...

Страница 6: ...t least 5 minutes Communicating Model T7350H Connection Terminals for the LONWORKS Bus Network jack for quick access by personal computer based tools Communications service pin pushbutton to simplify startup LONMARK Functional Profile 8500_20 Space Comfort Controller LONMARK SCC Object Type 8504 Rooftop See Fig 3 LONMARK Program Identifier 80 00 0C 55 04 03 04 2E LONMARK Application Interoperabili...

Страница 7: ...missing terminations LONWORKS networks can be configured in a variety of ways refer to the E Bus FTT Network Wiring Guidelines form 74 2865 for a complete description of network topology rules and maximum network wire length If longer runs are required add a Q7740A 2 way or Q7740B 4 way repeater to extend the LONWORKS Bus length Q7751A routers are not supported on LCBS LONSPEC configured systems A...

Страница 8: ...ed UNVT_dlcShed M22431 SNVT_time_sec SNVT_time_sec SNVT_temp_setpt SNVT_time_min UCPTconfig UCPTconfigPts UCPTdaylightSav UCPTschedule0 UCPTschedule1 UCPTschedule2 UCPTschedule3 UCPTschedule4 UCPTschedule5 UCPTschedule6 UCPTschedule7 UCPTholSched mandatory optional mandatory optional manf specific manf specific manf specific manf specific manf specific manf specific manf specific manf specific man...

Страница 9: ...d of the master schedule device or with a network connected configuration tool or Workstation When a T7350H receives scheduling information over the network the user is not prevented from making local schedule changes at the recipient thermostat Local schedule changes at a recipient device have no effect on the scheduling commands received from the master device When a T7350H is designated as a ma...

Страница 10: ...ual occupancy Provides a method to command the occupancy state from a network workstation Effective occupancy override works on a last in wins basis That is the last occupancy override command received from any source determines the override state The workstation can command occupied unoccupied standby bypass or not active null There are several ways to return the device to normal schedule operati...

Страница 11: ...divided between two LONWORKS Bus segments Please note that routers are not supported by the LCBS LONSPEC system configuration tool Refer to the Light Commercial Building Solution System Communication Guide form 71 3123 for LCBS details Refer to the E Bus Wiring Guidelines form 74 2865 for a complete description of network topology rules and maximum wire lengths A 209541B Termination Module may be ...

Страница 12: ... IMPORTANT All wiring must agree with applicable codes ordi nances and regulations 1 Loosen subbase terminal screws and connect system wires NOTE Maximum and recommended wire size is 18 gauge Do not use wire smaller than 22 gauge Fol low equipment manufacturer wiring instructions when available Refer to the Wiring Diagram section for typical hookups A letter code is located near each terminal for ...

Страница 13: ...C HP HS EB EB 1 4 L2 LONWORKS BUS COMPRESSOR CONTACTOR 1 COMPRESSOR CONTACTOR 2 HEAT RELAY 1 1 2 3 4 5 6 7 8 9 FAN RELAY ECONOMIZER HEAT RELAY 2 COMPRESSOR CONTACTOR 3 HEAT RELAY 3 LONWORKS BUS L1 HOT POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD HEAT COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY INSTALLED JUMPER US...

Страница 14: ... HUMIDITY SENSOR M OS OS AS AX AS M HC HP HS EB EB 1 3 HEATING TRANSFORMER COOLING TRANSFORMER L2 1 L2 COMPRESSOR CONTACTOR 1 HEAT RELAY 1 1 2 3 4 5 6 7 8 9 FAN RELAY ECONOMIZER MODULATING HEAT 4 20 mA MODULATING COOL 4 20 mA R X R X LONWORKS BUS LONWORKS BUS L1 HOT L1 HOT M22491 2 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED WHEN INSTALLED ON A SYSTEM WITH TWO TRANSFO...

Страница 15: ...r AK4606ABE AK4628AWH AK3702x AK3741A AK3744C AK3757C 1000 feet Outdoor Air Temperature Sensor OS 18 AWG 0 82 sq mm 1 pair AK3757C AK3744C AK3741A AK3702x 500 feet Motion Sensor M 18 to 22 AWG 0 82 to 0 34 sq mm 1 pair AK4606ABE AK4628AWH AK3702x AK3741A AK3744C AK3757C 1000 feet Wall Module connections T3 T7 18 to 22 AWG 0 82 to 0 34 sq mm Twisted pair wire is recommended for wire runs longer tha...

Страница 16: ...AK3797 22 2 Yes Yes E bus cable AK3799 22 4 Yes Yes E bus cable AK4606ABE 22 2 Yes No Beige jacket AK4628AWH 22 2 Yes Yes White jacket AK3702x 18 2 No No AK3741A 18 2 Yes No AK3744C 18 2 Yes Yes Red jacket AK3757C 18 2 Yes Yes White jacket AK3703x 18 3 No No AK3724 18 3 Yes No Tan jacket AK3746C 18 3 Yes Yes Tan jacket AK3726 18 5 Yes No Tan jacket AK3712x 16 2 No No TFN AK3754 14 2 No No TFN ...

Страница 17: ...ature sensor T7770B1046 Remote Wall Module setpoint change T7770C1044 Remote Wall Module setpoint change OCC button and LED T7770D1000 Remote Wall Module OCC button and LED AK3798 LONWORKS Bus Non Plenum 1 pair AK3797 LONWORKS Bus Plenum rated 1 pair AK3799 LONWORKS Bus Plenum rated 2 pair 209541B FTT Network Termination Module H7625 H7635 Remote Humidity Sensors C7089A C7170A C7031G2014 Outdoor A...

Страница 18: ...e Cannot set heating higher or cooling lower Upper or lower temperature limits were reached Check the temperature setpoints Heating limits are 40 to 90 F 7 to 31 C Cooling limits are 45 to 99 F 9 to 37 C Occupied setpoint temperature range stops were configured Using a PDA or LONSPEC check setpoint stops If necessary reconfigure the stop s Keypad is locked When a locked key is pressed LOCKED appea...

Страница 19: ...ooling response System selection is set to Off or Heat Set system selection to Cool or Auto System indicator flame heat snowflake cool is displayed but no warm or cool air is coming from the registers The call for heat or cool is not yet given Check if any stage indicators dots next to the system indicator are displayed With no display of stage indicators no call for cool heat is yet given For the...

Страница 20: ...l Value X X X X Override System Delays X X X X Room Temperature Calibration X X X Command Occupancy Override X X X X X X Command Fan Operation On Auto X X X X Command System Mode off auto heat cool X X X X View Modify Temperature Setpoints X X X X X X Report T7350 alarm data X X X X Network Time Scheduler for T7350 Devices X Generate Trend Log files with T7350 data X User defined T7350 analog digi...

Страница 21: ...Alarm Status The T7350 current alarm status is reported by the manufacturer defined output network variable nvoAlarmStatus nvoAlarmStatus Field Description coverCommFail Communications between the cover and sub base 0 No alarm power up value 1 The communications between the thermostat cover assembly and the sub base has failed in one or both directions The data from the cover to the sub base has n...

Страница 22: ...MM_FAIL 3 AT_SENSOR_FAIL 4 AT_INVALID_IO_CONFIG 5 AT_COVER_COMM_FAIL 6 AT_COVER_SUBBASE_MISMATCH Return to Normal Codes 127 AT_rtnINVALID_SUBBASE_TYPE 126 AT_rtnNETWORK_COMM_FAIL 125 AT_rtnSENSOR_FAIL 124 AT_rtnINVALID_IO_CONFIG 123 AT_rtnCOVER_COMM_FAIL 122 AT_rtnCOVER_SUBBASE_MISMATCH 1 AT_ALARM_NOTIFY_DISABLED alarm2 Alarm log 2nd most recent alarm 0 No alarm power up value alarm3 Alarm log 3rd...

Страница 23: ...rk Outdoor air sensor not working 0 Sensor value is OK power up value 1 Sensor is configured by the thermostat to function but is not being updated by either the bound network sensor or by the subbase faulty subbase errRemtSetPt Remote wall module set point is out of range or disconnected 0 Value is OK power up value 1 Remote wall module set point is configured to function and is out of range or d...

Страница 24: ...ally power up value 1 bound and not being updated periodically communications or source node failure errNviApplicMode nviApplicMode network variable is 0 either not bound or is bound and being updated periodically power up value 1 bound and not being updated periodically communications or source node failure errNviOutdoorTemp nviOutdoorTemp network variable is 0 either not bound or is bound and be...

Страница 25: ... T7350 General configuration screen The Day Light Saving Start and Stop Month on all time master recipients should be configured to None invalid This prevents erroneous time changes during temporary network outages Table 17 T7350H Reports Local Sensor Data The T7350H reports local sensor data using the following output network variables Nv Name LonSpec Reference Name Description nvoDischAirTemp Di...

Страница 26: ...cted Digital Value nvoData2 RelayHeat3 nvoData2 RelayCool3 nvoData2 RelayHeat2 nvoData2 RelayCool2 nvoData2 RelayAux nvoData2 RelayHeat1 nvoData2 RelayCool1 nvoData2 RelayFan nvoData2 dehumidActive Bypass Logs Select Bypass Object nvoEffectOccup Run Times Select Point Name nvoData2 RelayHeat3 nvoData2 RelayCool3 nvoData2 RelayHeat2 nvoData2 RelayCool2 nvoData2 RelayAux nvoData2 RelayHeat1 nvoData2...

Страница 27: ...PercentCmdCool Digital Logic Function Digital Input nvoAlarmStatus CoverCommFail nvoAlarmStatus InvalidIOConfig nvoAlarmStatus SensorFail nvoAlarmStatus networkCommFail nvoAlarmStatus InvalidSubBaseType nvoError errLoclSpaceSensr nvoError ErrRemtSpaceSensr nvoError ErrNetSpaceSensr nvoError ErrLoclHumSensr nvoError ErrRemtHumSensr nvoError errNetHumSensr nvoError ErrRemtOdSensr nvoError ErrNetOdSe...

Страница 28: ...LoclSpaceSensr nvoError ErrRemtSpaceSensr nvoError ErrNetSpaceSensr nvoError ErrLoclHumSensr nvoError ErrRemtHumSensr nvoError errNetHumSensr nvoError ErrRemtOdSensr nvoError ErrNetOdSensr nvoError ErrRemtSetPt nvoError ErrDischSensr nvoError errIOConfig nvoError errSubBaseType nvoError errSubBaseVerMisMatch nvoError errNviSpaceTemp nvoError errNviOccSchedule nvoError errNviOccSensor nvoError errn...

Страница 29: ...r errLoclSpaceSensr nvoError ErrRemtSpaceSensr nvoError ErrNetSpaceSensr nvoError ErrLoclHumSensr nvoError ErrRemtHumSensr nvoError errNetHumSensr nvoError ErrRemtOdSensr nvoError ErrNetOdSensr nvoError ErrRemtSetPt nvoError ErrDischSensr nvoError errIOConfig nvoError errSubBaseType nvoError errSubBaseVerMisMatch nvoError errNviSpaceTemp nvoError errNviOccSchedule nvoError errNviOccSensor nvoError...

Страница 30: ...k Variable Field Math Functions Analog Input nvoSpaceTemp Min Max Avg Sqrt Add nvoEffectSetpt Subt Mult Div nvoDischAirTemp nvoTerminalLoad nvoSpaceRH nvoOutdoorTemp nvoData1 PercentCmdHeat nvoData1 PercentCmdCool nvoData1 HeatStgsOn nvoData1 CoolStgsOn nvoData1 BypassTime nvoOccSensor nvoEffectOccup nvoHeatCool nvoData2 stagesActive Math Functions nvoSpaceTemp Network Special nvoEffectSetpt SNVT_...

Страница 31: ...rror errSubBaseVerMisMatch nvoError errNviSpaceTemp nvoError errNviOccSchedule nvoError errNviOccSensor nvoError errnviApplicMode nvoError errnviOutdoorTemp nvoError errnviSpaceRH nvoError errNviBypass nvoError errNviDLCShed nvoData2 RelayHeat3 nvoData2 RelayCool3 nvoData2 RelayHeat2 nvoData2 RelayCool2 nvoData2 Relay Aux nvoData2 RelayHeat1 nvoData2 RelayCool1 nvoData2 RelayFan nvoData2 dehumidAc...

Страница 32: ...eat3 nvoData2 RelayCool3 nvoData2 RelayHeat2 nvoData2 RelayCool2 nvoData2 RelayAux nvoData2 RelayHeat1 nvoData2 RelayCool1 nvoData2 RelayFan nvoData2 dehumidActive Control Loop MainSensor nvoSpaceTemp ResetSensor nvoEffectSetpt RecoverySensor nvoDischAirTemp LimitAnalogInput nvoTerminalLoad nvoSpaceRH nvoOutdoorTemp nvoData1 PercentCmdHeat nvoData1 PercentCmdCool nvoData1 HeatStgsOn nvoData1 CoolS...

Страница 33: ...elay Status Fan Status XL15C Application Object Application Input Source T7350H Network Variable Network Variable Field nvoAlarmStatus InvalidSubBaseType nvoError errLoclSpaceSensr nvoError ErrRemtSpaceSensr nvoError ErrNetSpaceSensr nvoError ErrLoclHumSensr nvoError ErrRemtHumSensr nvoError errNetHumSensr nvoError ErrRemtOdSensr nvoError ErrNetOdSensr nvoError ErrRemtSetPt nvoError ErrDischSensr ...

Страница 34: ...ciBypassTime Bypass Time CONFIG Temporary Occupied Override duration in minutes 180 Default nciConfig NA FTP CONFIG Thermostat configuration parameters nciConfigPts NA FTP CONFIG Thermostat operating setpoint values for the control algorithms contained in the Thermostat application code nciDayLghtSav NA FTP CONFIG Daylight saving start and end calendar schedule nciDaySchedule0 NA FTP CONFIG Event ...

Страница 35: ...he thermostat Occupied heat set point 21 1 C Default Standby heat set point 19 4 C Default Unoccupied heat set point 12 8 C Default It is required that UnoccHt OccHt OccCl 1 11 C UnoccHt StdByHt StdByCl 1 11 C If the above criteria is not met then the nciSetpoints received over the LONWORKS network will not be accepted and all the current controlling set points will be restored from the thermostat...

Страница 36: ...e command is received or network communication is lost When the unit transitions from shed to restore the set point is ramped back to the original set point over a period of 60 minutes The control only sheds when the thermostat is in the occupied mode Value 0 No load shed being called mains power up or failure detect value 1 or other values Call for load shedding nviFanAuto FanOnAuto In IN Auto Fa...

Страница 37: ...istinct modes of operation local schedule and network schedule The local schedule mode causes the T7350H to change set points by using the scheduler in the T7350H The network schedule mode causes the T7350H to change set points from a network based scheduler The network schedule when valid overrides the local schedule The network schedule input is nviOccSchedule This input has current state next s...

Страница 38: ...equest IN Input variable for managing network requests for status nviSetpoint Setpoint In IN Desired space temperature Celsius set by remote network device 327 67 means to ignore nviSetPoint 327 67 mains power up value nviSpaceRH Space Humidity In IN Space humidity input percent from a network device Ignored unless nciConfig humiditySensor specifies a network configuration 163 83 mains power up an...

Страница 39: ...LED nvoAlarmLog Alarm Log Out OUT Reports the last five alarms nvoAlarmStatus Alarm Status Out OUT Status of the following alarms states Communications between the cover and sub base 0 No alarm power up value 1 The communications between the thermostat cover assembly and the sub base has failed in one or both directions The data from the cover to the sub base has not been received for at least 90 ...

Страница 40: ...evice Data including auxRelay DALimit dehumidActive ESR holiday noAuxHeat1 noAuxHeat2 occSensor relayAux relayCool1 relayCool2 relayCool3 relayFan relayHeat1 relayHeat2 relayHeat3 remoteStPtOffset schedNextState scheduledState scheduledTuncos stagesActive T7350CommWorks temporarySetPt totalError nvoDischAirTemp Discharge Temperature Out OUT The current discharge air temperature Celsius The sensor ...

Страница 41: ...NUL power up value Time in minutes until next scheduled change of occupancy state 2880 Means there is not a next change of occupancy state or it is longer than 2 days from now Power up value nvoOccSensor Occupancy Sensor Out OUT Status of occupancy sensor 0 OC_OCCUPIED 1 OC_UNOCCUPIED 1 OC_NUL not configured and power up value nvoOutdoorTemp Outdoor Temperature Out OUT The current outdoor temperat...

Страница 42: ...eport Function block number being in status report 0 Node function block 1 Space comfort controller function block Programming Mode 0 Normal operating mode power up value 1 The node is in the programming the cover flash memory mode and is not automatically controlling temperature Report mask 0 Normal operation power up value 1 RQ_REPORT_MASK received The status bits that are set have been implemen...

Страница 43: ...00 Fan running 163 84 power up value Percentage of auxiliary heating capability currently being supplied to the controlled space Applies to heat pump application only 163 84 Power up value Alarm report 0 No alarms reported in the unit power up value 1 One or more alarms reported in the unit 1 The Alarms have been suppressed by alarm notified disabled command Effective operating mode 0 HVAC_AUTO po...

Страница 44: ...ario 17 Changi Business Park Central 1 Belgium Suite 200 M1V 4Z9 Singapore 486073 Sunrise FL 33325 Class Description CONFIG LonMark network configuration parameters FTP CONFIG Configuration parameters implemented with the LonMark file transfer protocol IN Network variable inputs OUT Network variable outputs ZIRE and TUNGSTEN are trademarks of palmOne Inc HotSync and Palm OS are registered trademar...

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