Honeywell Thermostat Q7300H User's Manual
Contents
1. T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES N power SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED SUBBASE A1 2 C5 C4 O0 4 CA2 CAI 7147 REMOTE COMFORT ADJUST MODULE TRANSFORMER A USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE USE A2 AND A3 WHEN CONTACTS ARE NORMALLY OPEN IN OCCUPIED MODE A CONNECT GND TO EARTH GROUND A USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS LonWorks BUS LonWorks BUS M16057 Fig 13 Typical hookup of T7300F Q7300H in three stage heat two stage cool heat pump system DISCHARGE AIR SENSOR A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED COMPRESSOR CONTACTOR 2 COMPRESSOR CONTACTOR 1 COOL CHANGEOVER VALVE without O B terminals SUBBASE Oke CHANGEOVER GAS ORATI GAS VALVE T7147 REMOTE COMFORT ADJUST MODULE A USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION INSTRUCTIONS A USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE A CONNECT GND TO EARTH GROUND LonWorks O BUS CA1 LonWorks 9 BUS TRANSFORMER M16056 Fig 14 Typical hookup of T7300F Q7300H in three stage heat two stage cool heat pump system with O B terminals 63 4365 16 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES SU2. Honeywell US only LonWorks Bus plenum 22 AWG 0 325 sq mm Level IV 140 F 60 C rating AK3791 one twisted pair twisted pair solid conductor nonshielded or Echelon AK3792 two twisted pairs approved shielded cable LonWorks Bus nonplenum 22 AWG 0 325 sq mm Level IV 140 F 60 C rating AK3781 one twisted pair twisted pair solid conductor nonshielded or Echelon AK3782 two twisted pairs approved shielded cable Honeywell AK3725 US only Inputs 18 AWG 1 0 sq mm five wire cable bundle Standard thermostat wire typical or equivalent Honeywell AK3752 US only Outputs Power 14 to 18 AWG 2 0 to 1 0 sq mm NEC Class 2 140 F 60 C rating typical or equivalent Honeywell AK3702 US only 18 AWG 1 0 sq mm twisted pair Non plenum typical or equivalent Honeywell US only Honeywell AK3712 US only 16 AWG 1 3 sq mm twisted pair typical or equivalent Honeywell AK3754 US only 14 AWG 2 0 sq mm two conductor typical or equivalent 5 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Applicable Literature The following list of documents contains general information related to the T7300F Q7300H Series 2000 Commercial Thermostats and Communicating Subbases T7300F Series 2000 Commercial Microelectronic Conventional or Heat Pump Thermostat Installation Instructions 62 0155 Q7300H Series 2000 Commercial Thermostat Installation Instructi
3. Honeywell US only LonWorks Bus plenum 22 AWG Level IV 140 F 60 C rating AK3791 one twisted pair 0 325 sq mm twisted pair solid conductor AK3792 two twisted pairs nonshielded or Echelon approved shielded cable Honeywell US only LonWorks Bus nonplenum 22 AWG Level IV 140 F 60 C rating AK3781 one twisted pair 0 325 sq mm twisted pair solid conductor AK3782 two twisted pairs nonshielded or Echelon amp approved shielded cable Honeywell AK3725 US only Inputs 18 AWG 1 0 sq mm five wire cable Standard thermostat wire typical or equivalent bundle Honeywell AK3752 US only Outputs Power 14 to 18 AWG NEC Class 2 140 F 60 C rating typical or equivalent 2 0 to 1 0 sq mm Honeywell AK3702 US only 18 AWG 1 0 sq mm twisted pair Non plenum typical or equivalent Honeywell AK3712 US only 16 AWG 1 3 sq mm twisted pair Non plenum typical or equivalent Honeywell AK3754 US only 14 AWG 2 0 sq mm two conductor Non plenum typical or equivalent 19 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Step 6 Configure T7300F Q7300H Use Excel LonSpec Software to configure the T7300F Q7300H Thermostat Subbase for specific applications The Excel LonSpec User s Guide form 74 2937 provides software operation instructions for the personal computer Step 7 Troubleshooting 1 Check for 24 Vac power a Turn
4. Designations Typical Connection Function Terminal Type A1 A3 Damper control relay See T7300F Installation Instructions form Output Dry contract 69 1025 3 installer setup 18 for control parameters C7150B Discharge Air Sensor connection Heating changeover valve Output 24V powered contact BM ML7984 Actuator connection No call for heat valve closed Output during occupied periods and open during unoccupied periods C1 C2 C3 C4 C5 Communication input for T7147 Input Output E Emergency heat relay Output 24V powered contact PFC Fancontroltransformer O m _ G8 j Fmew High speed fan output Activated during call for cooling Output H GL Low speed fan output Activated on call for heat and fan On Output selection Pump interlock relay Operates circulator pump in hydronic heat Input output or energizes conventional heat system 24V cooling transformer 24V heating transformer RM ML7984 Actuator connection No call for heat valve closed Call Output for stage 1 heat valve approximately one half open Call for stage 2 heat valve fully open T Remote sensor input for T7047 or T7147 Stage 3 heating relay Output Heating transformer common W W W X Y Y compressor contactor heat pump T 1 2 Stage 2 heating relay Output 3 Cool call 24V output on Y 1 Stage 1 compressor contactor Output Stage 2 cooling compressor conventional Stage 2 Stage 1 heating rel
5. appropriate terminals as shown in Fig 9 63 4365 14 6000 C2 C3 C4 C5 Qe 6660600 5 G I 20060006 X M16202 ORANGE Fig 9 Singly terminated LonWorks Bus termination module T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Doubly Terminated Daisy Chain Network Segment In a doubly terminated daisy chained topology segment two terminations are required one at each end of the topology segment Doubly terminated segments use the orange and brown wires Mount the termination modules on the appropriate terminals as shown in Fig 10 For additional wiring information refer to the E Bus Wiring Guidelines form 74 2865 and the Excel 10 FTT Termination Module Installation Instructions form 95 7554 Qo 660000 666000 0 1 C2 C3 C4 C5 000000000000 X T KY ranr NO 209541B TERMINATION MODULE YELLOW Qe accoa 666066 5 20000000009 KY rant NO 209541B TERMINATION MODULE YELLOW M16122 Fig 10 Doubly terminated LonWorks Bus termination modules N CAUTION Electrical Shock Hazard Power supply can cause electrical shock Disconnect power supply before beginning installation 1 Loosen the terminal screws on the subbase and connect the system wires See Fig 11 IMPORTANT Use 18 gauge solid conductor color coded thermostat cable for proper wiring If using 18 gauge stranded wire do not use more than two wires Do not use larger t
6. CoolOccSpt HeatOccSpt 2 During unoccupied times the network setpoint value is not referenced and the programmed setpoints are used instead CoolUnoccSpt and HeatUnoccSpt During occupied times if DestSetPoint is valid it will be used to override any internal setpoints Network Setpoint Offset DestSptOffset This is a setpoint adjustment signal sent from another LonWorks device When received it is used to bump the current setpoint value up or down The amount of the bump is the value of DestSptOffset itself The actual setpoints are found as follows ActualSetpoint CurrentSetPoint DestSptOffset During unoccupied times the network setpoint offset value is not referenced and the programmed setpoints are used instead CoolUnoccSpt and HeatUnoccSpt Setpoint Limits MinCoolSetPt and MaxHeatSetPt User entered setpoint limits are provided by MinCoolSetPt and MaxHeatSetPt The occupied setpoints used in the control algorithms are limited by these parameters The lowest actual setpoint allowed in cool mode is equal to MinCoolSetPt and the highest actual setpoint allowed in heat mode is equal to MaxHeatSetPt T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Bypass Operation StatusOcc DestManOcc and DestBypass During unoccupied periods the facility occupant can request that the occupied temperature control setpoints be observed by doing any one of the following Depressing the
7. Temporary Occupied button on the T7300F or Setting the DestManOcc network point to Bypass or Setting the DestBypass network point to ON When activated the thermostat remains in Bypass mode until Bypass duration setting has timed out BypTime or User presses the Run button on the T7300F to switch off the Bypass mode or Occupancy schedule switches the mode to occupied or User sets the DestManOcc network point to occupied or unoccupied BypassTime BypassTime is the time between the pressing of the override button at the wall module or initiating bypass mode via DestManOcc and the return to the original occupancy state When the bypass state has been activated the bypass timer is set to BypTime default of 180 min NOTE A Bypass mode initiated via DestBypass does not cause the bypass timer to run The DestBypass signal source is assumed to be tracking the duration peiod using its internal bypass timer Override Priority A network bypass signal always has priority over local pushbutton induced overrides When DestManOcc is not OC_NUL then the effective occupancy is DestManOcc regardless of the T7300F keypad initiated override state Continuous Unoccupied Mode This mode is entered when the Continuous Unoccupied button on the T7300F is pressed This mode can also be entered via a network command DestManOcc set to Unoccupied If the controller is in this mode it reverts to the unocc
8. power b Use ameter to check for 24 Vac power at the subbase c If 24 Vac is not present check the transformer for secure connections and proper operation d If 24 Vac is present at the subbase turn off the power 2 Check wiring a Inspect all wiring connections at the Q7300H terminals and verify compliance with the job site engineering drawings b If any wiring changes are required first be sure to remove power from the device before starting work c Pay particular attention to Terminal connections Connect GND to earth ground Device Wiring In hookups with A1 and A2 terminals use A1 and A2 when contacts are normally closed in Occupied mode In hookups with A2 A3 terminals use A2 and A3 when contacts are normally open in Occupied mode O B Terminals The Q7300H2003 provides O B terminals for cool heat changeover NOTE All wiring must comply with applicable electrical codes and ordinances or as specified in installation wiring diagrams APPENDIX A SEQUENCE OF OPERATIONS This appendix provides the network related control sequences of operation for the T7300F Q7300H For temperature control related sequences refer to the T7200D E T7300D E F and Q7300 Series 2000 Programmable Commercial Thermostat and Subbase Product Data form no 63 4355 Network Operations Room Temperature Sensor DestRmTemp This is the room space temperature sensor This sensor can be local contained internally within the T7
9. the device on the LonWorks network The subbase mounts horizontally on the wall or on a 2 in x 4 in junction box Fig 3 shows T7300F Q7300H dimensions 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES _t 155 16 186 6 11 16 170 3 3 16 77 gt 4 1 8 105 noaumnmuuuumuu 1 4 1 11 16 43 4 7 8 22 Set Program Occupied Unoccupied i Start Ti Da Tem tart Time Temporary Clear Occupie Day Time Start Time o Run Program Start Time Continous Unoccupied M16086A Fig 3 T7300F Q7300H dimensions in in mm Performance Specifications Electrical Ratings Power 20 to 30 Vac 50 60 Hz System Current 6 VA maximum at 30 Vac 50 or 60 Hz 2 1 Humidity Ratings 5 to 90 RH noncondensing Temperature Ratings Input Output Summary Setpoint Range Heating 40 F to 90 F 4 C to 32 C Cooling 45 F to 90 F 7 C to 32 C Table 2 summarizes the T7300F Q7300H Operating 40 F to 110 F 4 C to 43 C Thermostat Subbase inputs and outputs Shipping 20 F to 130 F 29 C to 54 C Display Accuracy 1 F 0 5 C 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Table 2 Terminal descriptions and conditions Standard Terminal
10. 2000 Communicating Subbase Excel 15 W7760A Building Manager Excel 10 Controllers as follows W7750A B Constant Volume Air Handler Unit CVAHU Controller W7761 Remote Input Output RIO Controller Other products Q7751A B Bus Router Q7760A Serial LonTalk Adapter Q7740A B FTT Repeaters 209541B FTT Termination Module See Table 1 for additional products Organization of Manual This manual is divided into four basic sections 1 Introduction Provides an overview of the T7300F Q7300H discusses related devices lists additional literature and provides a glossary of abbreviation and terms 2 Construction Describes T7300F Q7300H features network connections and dimensions 3 Application Steps A step by step procedure that provides the information necessary to plan and lay out the T7300F Q7300H application and accurately order materials 4 Appendix Appendix A provides a sequence of operations for configuring network controllers The organization of the manual assumes a project is being engineered from start to finish If you are changing an existing system refer to the Table of Contents for relevant sections Table 1 Additional Products Part Number Product Description R8242A Contactor 24 Vac coil DPDT S 4074EYD Wallplate for T7770 Wall Modules For covering an existing hole ina wall Serial Interface Cable male DB 9 to female DB 9 or Obtain locally from any computer female DB 25 hardware vendor
11. 300F remote external but hard wired back to the Q7300H subbase or network physical sensor is located elsewhere on the LonWorks Bus and its value is 63 4365 20 communicated to the Q7300H The Room Temperature sensor provides the temperature input for the temperature control loop of the T7300F If both local and remote sensors are available the two values can be averaged and the resulting value supplied to the temperature control routine NOTE A physical sensor either local or remote cannot be averaged with a network sensor A valid value for the network sensor input gives the network sensor priority over any locally wired sensors If a valid room temperature value is not available to the T7300F Q7300H the temperature control algorithm in the T7300F is disabled causing the heating and cooling control outputs to be turned off Network Setpoint DestSetPoint This is a center setpoint signal sent from another LonWorks Bus device When received it is used to calculate the actual cooling or heating occupied setpoint The DestSetPoint value becomes the center of the Zero Energy Band ZEB between the cooling and heating occupied setpoints The size of the ZEB is found by taking the difference between the programmed heating and cooling occupied setpoints CoolOccSpt and HeatOccSpt therefore the actual setpoints are found as follows ActualCoolSpt DestSetPoint CoolOccSpt HeatOccSpt 2 ActualHeatSpt DestSetPoint
12. BBASE 1 2 C5 C4 LonWorks B 2 1 T7147 REMOTE COMFORT ADJUST MODULE LonWorks 9 BUS COOLING TRANSFORMER HEATING TRANSFORMER A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD A CONNECT GND TO EARTH GROUND PROTECTION AS REQUIRED A USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS A JUMPER RC TERMINAL TO RH TERMINAL WHEN INSTALLED ON A SYSTEM WITH ONE TRANSFORMER A USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED M16058 IN OCCUPIED MODE USE A2 AND A3 WHEN CONTACTS ARE NORMALLY OPEN IN OCCUPIED MODE Fig 15 Typical hookup of T7300F Q7300H in three stage heat three stage cool conventional system SUBBASE C5 C4 C2 CI ML7984 VALVE ACTUATOR DAMPER CONTROL RELAY LonWorks BUS PUMP INTERLOCK RELAY O O O CA5 CA4 CA2 CA1 T7147 REMOTE COMFORT ADJUST MODULE LonWorks BUS GND FAN TRANSFORMER TRANSFORMER NPOWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED connect GND TO EARTH GROUND M16059 AA sE TABLE 2 FOR VALVE AND VALVE ACTUATOR MODELS Fig 16 Typical hookup of T7300F Q7300H in two stage heat one stage cool conventional system 17 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES General Considerations Table 5 lists wiring types sizes and distances for the T7300F Q7300H and Excel 10 products The Q73000H ac
13. BBASES Schedule The occupancy schedule used by a T7300F may reside locally in that device or remotely in another schedule device T7300F or Excel 15 Local schedules can be created and modified using the T7300F keypad or with a configuration tool External schedules can also be modified using the keypad of the schedule device or with a configuration tool When a T7300F receives scheduling information over the network the user is locked out from making schedule changes at the keypad and the LCD displays LOC if attempted When a T7300F Thermostat is designated as a schedule device it sends its schedule file to the appropriate Q7300H s which in turn overwrites any existing internal schedule in their T7300F Thermostat The T7300F Q7300H Thermostat Subbase can provide scheduling information to multiple Excel 10 devices by taking instruction from one T7300F Q7300H and sharing the information with the desired Excel 10 devices e Occupancy Bypass Any internal schedule in the T7300F is overridden if a valid occupancy command is received by its Q7300H resulting from an existing external schedule on the LonWorks network e Continuous Unoccupied In this mode the T7300F Thermostat sets the operating setpoints to the unoccupied setpoints The T7300F remains in this mode until the Run Program key is pressed e Setpoint Changes Selecting a temporary setpoint modifies that setpoint for the present schedule period Pressing Run Program t
14. Honeywell T7300F Q7300H Series 2000 Commercial Thermostats and Communicating INTRODUCTION CONSTRUCTION APPLICATION STEPS APPENDIX A USER ADDRESS NETWORK VARIABLES amp U S Registered Trademark Subbases SYSTEM ENGINEERING Contents Ra 3 Description of Devices intere mee a cna vac be ge 3 Control Application 3 GontrolProvided AFA oe ERO EE SEE te REI UH er 4 Product Names cii eerie epit ie tea eere Epreuve ect 4 Products Govered 5 eee ue n ede 5 Organization of Manual ecco pace ceret deep be 5 Applicable Literature erii rte eret terae Ee Leite eene unnm 6 Agency 6 eic 6 Abbreviations and Definitions 6 ETE MEER 7 Performance Specifications seessssseeeeneneneennn 8 Input Outp t Sumtnalty i 0 en 8 ere mifer tienpo E 9 LonMark Functional Profile seen 10 Configurations eth PERI d te de RENE 10 10 11 OVvervieW cise 11 Step tPlan The Syste M 11 Step 2 Determine Required Network 12 Step 3 Lay Out Communications and Power 12 LonWorks e Bus Layo
15. M memory of all the neuron s involved The binding information is saved in the network image of each neuron Building Manager A LonMark certified device that can be used to monitor and control HVAC equipment and other miscellaneous loads in a distributed network Command Display A device that can be used to monitor and change parameters Control Loop A primitive control function A type of function in a node that includes processes loops and programs A node can contain one or more control loops In Excel 10 class devices the control loop occupies the entire node CVAHU Excel 10 Constant Volume Air Handler Unit Controller Excel 10s A family of application specific HVAC controllers such as the Excel 10 CVAHU and Excel 10 RIO HVAC Heating Ventilating and Air Conditioning 1 O Input Output LonWorks Network A data network based on neurons communicating with each other using the LonTalk protocol Mandatory Mechanisms Objects Network Variables Mandatory mechanisms and network variables that are implemented in all the Excel 10 devices NamedObject Objects that have names are called NamedObjects These objects are visible on the network as functional independent entities and are accessed by name Typical examples of NamedObjects are Controllers ControlL oops and LogicFunction blocks Network Management Node A LonWorks node that is responsible for configuring the network installing the nod
16. Programmable Controller A controller that has a variable number of control loops of different types and is user programmed to execute an application The user can select the number and type of control loops The user also has the capability of generating new types of control loops 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 setpoints and the time of the changes between these states SGPU Significant Event Notification and Guaranteed Periodic Update SGPUC Significant Event Notification and Guaranteed Periodic Update with Change Field SLTA Serial LonTalk Adapter Adapts the transformer coupled LonTalk amp messages to the RS 232 Serial Port SNVT Standard Network Variable Type SCPT Standard Configuration Parameter Type CONSTRUCTION The T7300F Thermostat has a keypad for setting system parameters a corresponding LCD display and a flip down keypad cover The T7300F Thermostat mounts on the Q7300H Subbase The Q7300H Communicating Subbase includes LonWorks Bus terminals and a jack for temporary network connections to a personal computer A service pin push button provides service messaging to physically locate
17. TERFACE CABLE Q7760 BUS PORT M10102B NO 205979 Fig 5 Connecting personal computer to LonWorks amp Bus Refer to the E Bus Wiring Guidelines form 74 2865 for a complete description of network topology rules See Application Step 3 Lay Out Communications and Power Wiring for more information on bus wiring layout and Fig 6 through 10 in Application Step 4 Prepare Wiring Diagrams for wiring details Refer to the Excel LonSpec User Guide form 74 2937 to configure the W7760A Building Manager W7750A B and W7761 Controllers and the Q7300H Subbase 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Step 2 Determine Required Network Devices A maximum of 60 nodes can communicate on a single LonWorks Bus segment Each LonWorks Bus device comprises one node If more than 60 nodes are needed a Q7751A Router or Q7740 Repeater is necessary Ina network with Excel 15 devices a router allows up to 120 controller nodes per network divided between two LonWorks Bus segments A router or repeater allows up to 120 controller nodes per network divided between two LonWorks Bus segments The router comprises two nodes one node on each side of the router Router and operator access nodes are not counted in the maximum controller node totals All devices are able to talk to each other through the router Multiple opera
18. ation Through the T7300F Q7300H Thermostat Communicating Subbase a building operator can control Excel 10 devices by setting occupancy schedules setpoints and additional features Control Provided The Q7300H communicates with other network devices or nodes for the purpose of sharing data Through the network the T7300F Q7300H sets and deletes schedules Schedules can be bypassed by selecting Continuous Unoccupied or Temporary Override By using network messaging the Q7300H sets fan operation ON AUTO and system mode HEAT COOL AUTO OFF EM HEAT designated by a remote T7300F Schedules can be programmed for seven days with four designated periods per day Occupied 1 Occupied 2 Unoccupied 1 and Unoccupied 2 In external schedule mode the T7300F changes occupancy through a network based scheduler In local schedule mode the T7300F changes occupancy through an internal scheduler If the external schedule is not periodically updated the T7300F defaults to the local schedule The T7300F Q7300H is also able to provide time of day temporary setpoint bypass status and additional information to multiple Excel 10 devices by sending instructions from one T7300F Q7300H to the Excel 10 devices When the T7300F is configured to schedule temporary setpoint and effective bypass information for other devices certain restrictions apply such as When the T7300F is scheduling temporary setpoints for Excel 10 devices the Excel 10 cannot adj
19. ay or auxiliary heat relay Output Y3 Stage 3 cooling compressor Output Communications The Q7300H provides networking capability in a LonWorks system when using a Free Topology Transceiver FTT transformer coupled communications port running at 78 kilobits per second kbs The transformer coupled communications interface offers a much higher degree of common mode noise rejection while ensuring dc isolation LonWorks FTT networks are very flexible and convenient to install and maintain but it is imperative that the network layout be carefully planned and accurate documentation created and maintained This aids in compliance verification and future expansion of the network It also minimizes unknown or inaccurate wire run lengths node to node device to device distances node counts total wire length inaccurate repeater router locations and misplaced or missing terminations LonWorks networks can be configured in a variety of ways refer to the E Bus FTT Network Wiring Guidelines form 74 2865 1 fora complete description of network topology rules and maximum wire length If longer runs are required add a Q7740A 2 way or Q7740B 4 way repeater to extend the LonWorks Bus length Add a Q7751A to partition the system into two segments to double the length of LonWorks Bus 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Approved cable types for LonWorks Bus communications wiri
20. cepts 14 through 22 AWG 2 0 to 0 34 sq mm wire Table 5 Field Wiring Reference Table Recommended Wire Wire Size Specification Distance Function Minimum Construction or Requirement Vendor Wire Type Maximum Thermostat Inputs 18 AWG Standard thermostat Honeywell AK3725 wire 1 0 sq mm five wire US only typical or wire cable Wem Mis Thermostat Outputs Power NEC Class 2 140 F Level IV 140 F Honeywell AK3752 wire 14 to 18 AWG 60 C rating 60 C rating US only typical or 2 0 to equivalent 1 0 sq mm LonWorks amp 22 AWG Twisted pair solid Level IV 140 Honeywell AK3781 Refer to E bus Bus Non 0 34 sq mm conductor 60 C rating one twisted pair Wiring guidelines Plenum nonshielded or AK3782 two twisted Users Guide Echelon approved pair 74 2865 1 for cable maximum length 14 AWG Any pair nonshielded NEC Class ll Honeywell AK3754 Limited by line loss 2 0 sq mm use heavier wire for 140 F 60 C 14 AWG twisted effects on power longer runs rating pair AK3909 consumption 14 AWG single conductor or equivalent 63 4365 18 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Step 5 Order Equipment After compiling a bill of materials through completion of the previous application steps refer to Table 6 Ordering Information Table 6 Ordering Information Q7300H2003 Communicating subbase with O and B Includes AS terminals for opt
21. eatures that can be commanded over the network Day of Week Time of Day When a T7300F Thermostat is designated as the network time master the current time of day and day of week is synchronized across the network every minute Whenever the time of day or day of week of the time master is changed it automatically adjusts all the other T7300Fs on the network When a T7300F is controlled by a time master its time cannot be changed using its keypad If an attempt is made to change its time the controlled T7300F LED displays LOC System Switch Settings System switch settings HEAT COOL AUTO OFF EM HEAT can be designated by a remote T7300F or if configured to allow it from the T7300F keypad Fan Settings Fan settings ON AUTO are selected as designated by a remote T7300F or from the T7300F keypad Space Temperature If a valid space temperature value is received at the Q7300H DestRmTemp network variable input that value will be used in the T7300F as the primary controlled variable In this case the internal space sensor of the T7300F is ignored Current Setpoint If a valid setpoint value is received at Q7300H DestSetPoint that value will be used by the Q7300H as the center setpoint The heat and cool setpoints are then calculated from this value and are used in the T7300F as the occupied setpoints During unoccupied periods DestSetPoint is ignored T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SU
22. edule information and system instructions to other devices in a LonWorks network Fig 2 shows a typical T7300F Q7300H application in a three stage heat and two stage cool heat pump system For additional T7300F Q7300H hookups see Fig 13 15 16 WALL MODULE CEE EXCEL 10 CVAHU LonWorks BUS WALL MODULE EXCEL 10 CVAHU LonWorks BUS T7300 M16083B Fig 1 Typical T7300F Q7300H LonWorks network diagram 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES COMPRESSOR CONTACTOR 2 COMPRESSOR CONTACTOR 1 COOL CHANGEOVER VALVE VALVE A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED CHANGEOVER SUBBASE LonWorks BUS O O 4 CA 7147 REMOTE COMFORT ADJUST MODULE GND LonWorks BUS TRANSFORMER A USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION INSTRUCTIONS A USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE A CONNECT GND TO EARTH GROUND M16056 Fig 2 Typical T7300F Q7300H application Communicating subbases for T7300F Thermostats add value by allowing remote site access via telephone lines for diagnostics maintenance and monitoring In addition the T7300F can act as the user interface for on site Excel 10 Controllers after initial installation with Excel LonSpec without the need for a personal computer workst
23. erminates temporary setpoints Temperature setpoint range is 40 F to 90 F 4 C to 32 C e Temporary Override Modifies the schedule to operate the thermostat in occupied mode for a designated number of hours Temporary occupied time can be selected for 1 3 8 or 12 hours If a change from occupied to unoccupied is scheduled and the Temporary Override key is pressed the thermostat remains in occupied mode until the designated override time expires If the thermostat is in the unoccupied mode when the Temporary Occupied key is pressed the thermostat operates at the occupied setpoint until the override time expires APPLICATION STEPS Overview The application steps shown in Table 3 are guidelines for configuring the T7300F Q7300H Thermostat Subbase in a LonWorks Bus network and explain the network role of the T7300F Q7300H 11 Table 3 Application Steps Sep Desorption s Cewgwerrmoxiamon Step 1 Plan the System Plan the use of the T7300F Q7300H Thermostat Subbase according to the job requirements Determine the location and functionality Verify the sales estimate for the number of other controllers and devices required Check the number and type of other required accessories When planning the system layout consider potential expansion possibilities for future growth Planning is very important if HVAC systems and controllers are to be added in future projects NOTEBOOK PC SHIELDED IN
24. es binding the network variables between nodes and general network diagnostics T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Network Variables A class of variables defined in Neuron C that allows communication over the LonWorks network to other nodes on the network An output network variable in one node can be bound to corresponding input network variable s in other node s Changing the value of the output network variable in one node causes the new value to be automatically communicated to the bound input network variable s in other node s When an input network variable is updated an nv_update_occurs event is posted at the receiving node s so that the application program can take action based on the change A network management node that explicitly reads and or writes the network variable can also poll network variables Network variables can contain one data field one or two bytes or multiple data fields a structure Node A device implementing layers one through six of the LonTalk protocol including a Neuron Chip transceiver memory and support hardware Notebook PC Portable personal computer Optional Mechanism Object Network Variables Optional mechanisms and variables that shall be implemented on an as needed basis However a different mechanism or network variable cannot be implemented if an existing optional mechanism or network variable can perform the same function
25. g layout for two doubly terminated LonWorks Bus segments 13 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES LonWorks BUS EXCEL 10 CVAHU EXCEL 10 EXCEL 10 RIO RIO o A 2 E 17300 10 o 209541B TERMINATION x eS MODULES AT ENDS OF me LonWorks BUS S DAISY CHAIN T7300 EXCEL 1 CVAHU T7770 17300 WITH NOS LonWorks m T7300 BUS ACCESS BUILDING MANAGER EXCEL 15 W7760 EXCEL 10 T7300 T7300 7 RIO jeesee LonWorks BUS 17770 WITH NO LonWorks BUS ACCESS EXCEL 10 EXCEL 10 EXCEL 10 RIO CVAHU 17770 LonWorks BUS JACK FOR 17770 OPERATOR Nt CONNECTIONS TERMINAL M16085B Fig 8 Wiring layout for one doubly terminated daisy chain LonWorks segment Cable Termination The FTT network segment requires termination for proper data transmission performance Use a 209541B Termination Module to connect two of the three termination module wires to the LonWorks Bus terminals Singly Terminated Network Segment In a singly terminated topology segment only one termination is required and can be placed anywhere on the segment Singly terminated segments use the yellow and brown wires Mount the termination modules on the
26. han 18 gauge wire Securely tighten each terminal screw Push excess wire back into the hole Plug the hole with nonflammable insulation to prevent drafts from affecting the thermostat RON NOTE After wiring check that all connections are tight and secure See Fig 11 Loose or intermittent wire connections can cause inconsistent system operation FOR STRAIGHT INSERTION STRIP ROUND FOR WRAPAROU 5 16 IN 8 INSERTION STRIP 7 16 IN 11 MM Fig 11 Proper wiring technique Wiring Details LonWorks network cable should be wired separately from the power and I O wires when installing Q7300s If this is not possible use a minimum of 4 in 102 mm separation between split ferrite cores Fair Rite 0443164151 or equivalent Honeywell part no 229997CB containing five split ferrite cores to ensure compliance with Class B limits does not apply to Class A limits See Fig 12 to apply ferrite cores to LonWorks Bus input and output WIRES TO Q7300H COMMUNICATING SUBBASE WIRES TO ALL INPUTS AND OUTPUTS WIRES TO ALL INPUTS AND OUTPUTS WIRES TO Q7300H MIOBBSA COMMUNICATING SUBBASE Fig 12 Ferrite core wires from Q7300H to LonWorks amp inputs and outputs Step 4 Prepare Wiring Diagrams Fig 13 through 16 show T7300F Q7300H terminal arrangements and provide detailed wiring diagrams Reference these diagrams to prepare the site specific job drawings 63 4365
27. ional discharge air terminals for three stage heat two stage cool sensing A1 A2 A3 terminals for optional heat pump system economizer Q7300H201 1 Communicating subbase without O and B Includes AS terminals for optional discharge air terminals for three stage heat two stage cool sensing A1 A2 terminals for optional heat pump system economizer Q7300H2029 Communicating subbase for three stage Includes AS terminals for optional discharge air heat three stage cool conventional system sensing A1 A2 terminals for optional economizer Q7300H2037 Communicating subbase for two stage heat Includes AS terminals for optional discharge air one stage cool conventional system with sensing A1 A2 terminals for optional valve two position heat output economizer T7300F2002 Series 2000 Commercial Electronic Use with Q7300H Communicating Subbase for Thermostat without system and fan network communications switching T7300F2010 Series 2000 Commercial Electronic Use with Q7300H Communicating Subbase for Thermostat with system and fan switching network communications W7750A B Excel 10 Constant Volume Air Handler Unit Single speed fan provides continuous supply air to designated area W7761A Excel 10 Remote Input Output Device Service messaging feature identifies physical location of specific Excel 10s on network Serial Interface Cable male DB 9 to female Obtain locally from any computer hardware DB 9 or female DB 25 vendor
28. le 3 Application Steps 2 1 n 11 Table 4 LonWorks Configuration Rules and Device Node Numbers 12 Table 5 Field Wiring Reference Table 18 Table 6 Ordering Information ssseeeneenenne 19 2 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES INTRODUCTION Description of Devices The Q7300H Subbase is a LonMark certified device that provides networking capability for the T7300F Thermostat in a LonWorks system using a transformer coupled Free Topology Transceiver FTT See Fig 1 The T7300F Q7300H communicates with all LonMark devices including the following Other T7300F Q7300H Commercial Thermostat Communicating Subbases Excel 15 S7760A Command Display Excel 10 W7750A B Constant Volume Air Handler Unit CVAHU Controller Excel 15 W7760A Building Manager Excel 10 W7761A Remote Input Output RIO Controller BUILDING MANAGER NOTEBOOK PC EXCEL 15 W7760 Honeywell BUILDING MANAGER EXCEL 15 RS 232 MODEM SERIAL PORT GS SLTA Control Application The T7300F Q7300H Series 2000 Commercial Thermostats and Communicating Subbases control 24 Vac commercial single zone heating ventilating and air conditioning HVAC equipment In addition the Q7300H can communicate sch
29. mostat Object 09 Thermostat profile variables not used are grayed 10 Fig 5 Connecting personal computer to LonWorksQ Bus 11 Fig 6 Typical topology for T7300F Q7300H devices in LonWorks network te ATE 13 Fig 7 Wiring layout for two doubly terminated LonWorks Bus segments 13 Fig 8 Wiring layout for one doubly terminated daisy chain LonWorks Bus segment ssssssssseseeeeeeneeneee neret 14 Fig 9 Singly terminated LonWorks Bus termination module 14 Fig 10 Doubly terminated LonWorks Bus termination modules 15 Fig 11 Proper wiring technique seee m 15 Fig 12 Ferrite core wires from Q7300H to digital inputs and outputs 15 Fig 13 Typical hookup of T7300F Q7300H in three stage heat two stage cool heat pump system sssss mee 16 Fig 14 Typical hookup of T7300F Q7300H in three stage heat two stage cool heat pump system sssesse eem 16 Fig 15 Typical hookup of T7300F Q7300H in three stage heat three stage cool conventional system 17 Fig 16 Typical hookup of T7300F Q7300H in two stage heat one stage cool conventional system sssee 17 Table AdditiorialProd cts oio dct ec ne cte 5 Table 2 Terminal descriptions and conditions 9 Tab
30. ng are Level IV 22 AWG 0 34 sq mm plenum or non plenum rated unshielded twisted pair solid conductor wire For nonplenum areas use US part AK3781 one pair or US part AK3782 two pair In plenum areas use US part AK3791 one pair or US part AK3792 two pair Other Echelon approved cable may also be used Run communications wiring in a conduit if needed with non switched 24 Vac or sensor wiring The Free Topology Transceiver FTT communications LonWorks Bus supports a polarity insensitive free topology wiring scheme that in turn supports star loop and or bus wiring LonMark Functional Profile The Q7300H supports the LonMark Functional Profile Number 8060 Thermostat Object Type 09 See Fig 4 Hardware Output Thermostat Object Type Number 09 nviSetpoint nvoHeatOutput SNVT_temp_p SNVT lev percent nvoCoolOutput Mandatory gt vs SNVT lev percent etwor i nvoSpaceTemp Variables meee nvoUnitStatus SNVT_hvac_status nvoTerminalLoad SNVT lev percent nvoEffectSetpt SNVT temp p Optional Network SNVT switch Variables nvoEnergyHoldOff SNVT switch nviSpaceTemp SNVT temp p nviOccCmd SNVT occupancy nviApplicMode SNVI hvac mode nviSetptOffset SNVT temp p nviEnergyHoldOff SNVT_switch Configuration Properties 49 nciSndHrtBt SNVT_time_sec mandatory nc48 nciRcvHrtBt SNVT time sec optional nc64 nciMin Delta SNVT temp
31. ns arbitration scheme Bypass initiates a self timed bypass of the control unit and expires upon completion of the defined timed period The controller then treats the bypass status of this input as Null until the next change in status DestBypass Possible states Bypass On Bypass Off or Not Assigned not active This input places the controller in an untimed bypass state or turns off the bypass mode This source is second in priority to DestManOcc under the same arbitration schemes mentioned above The T7300F keypad Temporary Occupied and Continuous Unoccupied keys Demand Limit Control DestDIcShed When the Q7300H receives a high electrical demand signal the controller applies a DicBumpTemp amount to the current actual space temperature setpoint value The setpoint is always adjusted in the energy saving direction This means that if the T7300F is in cooling mode the DLC offset bumps the control point up and when in heating mode bumps the control point down When returning from a DLC Shed event the setpoint is gradually ramped back to its original unbumped value over a 30 minute period Start Up START_UP_WAIT is the first mode after application restart or power up During START_UP_WAIT no control algorithms are active NOTES After a controller commission via Excel LonSpec the Q7300 is reset and an application restart occurs all network inputs can be received during the START UP WAIT
32. ons 74 2976 Excel LonSpec Specification Data 74 2977 Excel LonSpec Software Release Bulletin 74 2937 Excel LonSpec User s Guide 74 2982 Light Commercial Building Solutions System Specification Data 74 2865 E Bus Wiring Guidelines User s Guide 74 2967 Excel 15 W7760A Building Manager Specification Data 95 7565 Excel 15 W7760A Building Manager Installation Instructions 74 2969 Excel 15 W7760A Building Manager System Engineering 74 2956 Excel 10 W7750A B CVAHU Controller Specification Data 95 7521 Excel 10 W7750A B CVAHU Controller Installation Instructions 74 2958 Excel 10 W7750A B CVAHU Controller System Engineering 74 2698 Excel 10 W7761A RIO Controller Specification Data 95 7539 Excel 10 W7761A RIO Controller Installation Instructions 74 2699 Excel 10 W7761A RIO Controller System Engineering 74 2697 T7770A B C D E F G Wall Module Specification Data 95 7538 T7770A B C D E F G Wall Module Installation Instructions 95 7554 209541B Termination Module Installation Instructions Agency Listings European Community Mark CE Conforms to requirements of European Consortium Standards 63 4365 ABBREVIATIONS AND DEFINITIONS Application A specific Building Control function Binding The process of logically connecting network variables in one node to network variable s in other node s Binding is performed by a network management node that writes the binding information into the EEPRO
33. p optional nc17 neiLocation SNVT str asc optional nc60 nciSetPnts SNVT temp setpt mandatory nc79 nciUpSPHeat SNVT temp p optional nc80 nciLrSPHeat SNVT temp p optional nc76 nciUpSPCool SNVT temp p optional nciLrSPCool SNVT temp p optional Manufacturer Defined Section Hardware Input M16087A Fig 4 Functional Profile Number 8060 LonMark amp Thermostat Object Type 09 Thermostat profile variables not used are grayed 63 4365 10 NOTE For additional information on the LonMark amp Functional Profile see the LonMark amp Application Layer Interoperability Guidelines and the LonMark Functional Profile Thermostat Both documents are available from LonMark at internet address www lonmark org CONFIGURATIONS General The T7300F Q7300H can be configured to perform a variety of activities in which data is sent to and or received from other nodes on the LonWorks network Information that can be shared with other network devices includes Day of week and time of day System mode HEAT COOL AUTO OFF EM HEAT Current fan setting ON AUTO Space temperature Current setpoint Occupied Unoccupied schedule commands Current occupancy status Relay status heat cool stages and fan Alarm status Alarm log A network configuration tool is used to configure Q7300Hs and other nodes with which the Q7300H interacts The following is a brief description of the configurable f
34. period because many network variables are updated at a slower rate therefore some control decisions can be considered temporarily inappropriate during START UP WAIT 63 4365 63 4365 22 23 63 4365 Home and Building Control Honeywell Inc Honeywell Plaza P O Box 524 Minneapolis MN 55408 0524 Honeywell Latin American Region 480 Sawgrass Corporate Parkway Suite 200 Sunrise FL 33325 63 4365 J S 12 98 Home and Building Control Honeywell Limited Honeywell Limitee 155 Gordon Baker Road North York Ontario M2H 3N7 Honeywell Europe S A 3 Avenue du Bourget 1140 Brussels Belgium Printed in U S A on recycled paper containing at least 10 post consumer paper fibers Honeywell Asia Pacific Inc Room 3213 3225 Sun Hung Kai Centre No 30 Harbour Road Wanchai Hong Kong Honeywell www honeywell com
35. tor terminals can be connected to the LonWorks Bus at the same time Table 4 summarizes the LonWorks Bus segment configuration rules Refer to the E Bus Wiring Guidelines form 74 2865 for a complete description of network topology rules and maximum wire lengths If longer runs are required use a Q7740A 2 way or Q7740B 4 way repeater to extend the length of the LonWorks Bus Each network segment can only have one repeater If more nodes or longer distances are required add a router or repeater to limit bus traffic or boost distance In addition a 209541B Termination Module may be required Refer to the E Bus Wiring Guidelines form 74 2865 and the Excel 10 FTT Termination Module Installation Instructions form 95 7554 or if Excel 15s are present see Application Step 3 Lay Out Communications and Power Wiring in the W7760A System Engineering Guide form 74 2969 Step 3 Lay Out Communications and Power Wiring LonWorks Bus Layout The communications LonWorks Bus is a 78 kilobit network that uses transformer isolation and differential Manchester encoding The Free Topology Transceiver FTT LonWorks communications Bus supports a polarity insensitive free topology wiring scheme refer to the E Bus Wiring Guidelines form 74 2865 for a complete description of LonWorks network topology rules Fig 6 shows a typical wiring diagram for the T7300F Q7300H in a LonWorks network Fig 7 and 8 show wiring layouts for t
36. upied setpoints for temperature control The thermostat remains in this mode indefinitely until the Run button is pressed to exit the mode or a network command is sent to clear the mode Occupancy Mode Arbitration StatusOcc The T7300F Q7300H has multiple sources for occupancy schedule information and therefore it employs an arbitration scheme to determine the current actual mode Time of day TOD schedule status comes from either one of two sources nternal schedule contained in the T7300F or DestOccSchedule network input received from another LonWorks device 21 If DestOccSchedule is valid it has highest priority and determines the occupancy mode otherwise the status is determined by the internal schedule of the T7300F StatusOcc has two possible states occupied or unoccupied NOTE The T7300F Q7300H does not support Standby mode Manual Override of occupancy mode can occur from three sources and is governed by two selectable arbitration schemes The two schemes are Network Wins or Last in Wins as set in OvrdPriority The three sources of manual override status are DestManOcc Possible states Occupied Unoccupied Bypass Standby and Null not active If Standby is received it is ignored This input source has the highest priority in determining manual override status for a Network Wins arbitration scheme or in the event there is more than one source change at a time in the Last in Wi
37. ust setpoints using the T7770 wall module When the T7300F is providing effective bypass information to Excel 10 devices the Excel 10 cannot change the bypass status using the T7770 wall module 63 4365 Product Names When combined with the T7300F Series 2000 Commercial Thermostat the Q7300H Communicating Subbase communicates with other devices in a LonWorks network The thermostat and subbase are available in the following models Part Number Product Description Q7300H2003 Communicating subbase with and B terminals for three stage heat two stage cool heat pump system Q7300H201 1 Q7300H2029 Communicating subbase without O and B terminals for three stage heat two stage cool heat pump system Communicating subbase for three stage heat three stage cool conventional system Communicating subbase for two stage heat one stage cool conventional System with valve two position heat output Q7300H2037 T7300F2002 T7300F2010 Series 2000 Commercial Electronic Thermostat without system and fan switching Series 2000 Commercial Electronic Thermostat with system and fan switching T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Products Covered This System Engineering manual describes how to apply the T7300F Thermostat and Q7300H Communicating Subbase and related accessories to typical applications Devices include T7300F Series 2000 Commercial Thermostat Q7300H Series
38. ut tiie etit qe etse elie 12 Cable Termitiations x ertt deer em re ig c nc 14 Singly Terminated Network Segment sees 14 Doubly Terminated Daisy chain Network 15 Wiring testes een led eee ei 15 Step 4 Prepare Wiring Diagrams 15 General Considerations nnne 18 Step 5 Order Equipment esssesssssseeseseeeene enne nre 19 Step 6 Configure T7300F Q7300H sse 20 Step 7 Troubleshooting nennen nnne 20 ERN 20 Sequence of Operations esssssssssssseeee ennemi 20 See form number 63 4366 Q7300 Communicating Subbase System Integration User Address Manual LonWorks LonTalk amp LonMark and Excel LonSpec are U S registered trademarks of Echelon Corporation LL C il LONMARK Copyright O 1998 Honeywell Inc All Rights Reserved 63 4365 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES 63 4365 LIST OF FIGURES LIST OF TABLES Fig 1 Typical T7300F Q7300H LonWorks network diagram 3 Fig 2 Typical T7300F Q7300H 4 Fig 3 T7300F Q7300H dimensions in in 8 Fig 4 Functional Profile Number 8060 LonMark Ther
39. wo doubly daisy chained LonWorks Bus segments Table 4 LonWorks Bus Configuration Rules and Device Node Numbers One LonWorks Bus Segment Maximum Number of Controller Nodes 60 Maximum number of Excel 10s 60 nodes minus number of Excel 15s 60 nodes maximum nodes 60 nodes maximum Controllers more than 60 devices nodes for router access Two LonWorks Bus Segments without Excel 15 Maximum Number of Controller Nodes 120 plus two nodes for router access Controllers more than 60 devices Maximum number of Excel 10s 60 per segment 120 nodes 63 4365 12 T7300F Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES NOTEBOOK PC SLTA T7300 T7300 T7300 LonWorks BUS M16063A Fig 6 Typical topology for T7300F Q7300H devices in LonWorks network 209541B TERMINATION MODULE T7300 LonWorks BUS SEGMENT NUMBER 2 BUILDING MANAGER EXCEL 15 W7760 eese Honeywell EXCEL 10 CVAHU EXCEL 10 CVAHU LonWorks BUS SEGMENT NUMBER 1 C EXCEL 10 a 10 CVAHU CVAHU 27 209541B 209541B TERMINATION TERMINATION MODULE MODULE nN LonWorks BUS ACCESS T7300 T7300 07751 FIT E BUS ROUTER 209541B TERMINATION MODULE LonWorks BUS SEGMENT NUMBER 2 EXCEL 10 EXCEL 10 CVAHU CVAHU M16084C Fig 7 Wirin
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