Honeywell Q7300H System Engineering
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Honeywell Q7300H System Engineering

Series 2000 commercial thermostats and communicating subbases
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See also: Product Data , Instruction and Installation Manual
T7300F/Q7300H Series 2000 Commercial
USER ADDRESS
NETWORK VARIABLES
LonWorks®, LonTalk®, LonMark® and Excel LonSpec™ are
U.S. registered trademarks of Echelon® Corporation.
®U.S. Registered Trademark
Copyright © 1998 Honeywell Inc. • All Rights Reserved
Thermostats and Communicating
...........................................................................................................................
Description of Devices .......................................................................................
Control Application .............................................................................................
Control Provided.................................................................................................
Product Names ..................................................................................................
Products Covered...............................................................................................
Organization of Manual ......................................................................................
Applicable Literature ..........................................................................................
Agency Listings ..................................................................................................
Abbreviations and Definitions.............................................................................
...........................................................................................................................
Performance Specifications ...............................................................................
Input/Output Summary ..................................................................................
Communications............................................................................................
LonMark® Functional Profile .............................................................................. 10
Configurations .................................................................................................... 10
General.......................................................................................................... 10
........................................................................................................................... 11
Overview ............................................................................................................ 11
Step 1. Plan The System.................................................................................... 11
Step 2. Determine Required Network Devices................................................... 12
Step 3. Lay Out Communications and Power Wiring ......................................... 12
Cable Termination ......................................................................................... 14
Singly Terminated Network Segment ....................................................... 14
Doubly Terminated Daisy-chain Network Segment .................................. 15
Wiring Details ................................................................................................ 15
Step 4. Prepare Wiring Diagrams ...................................................................... 15
General Considerations................................................................................. 18
Step 5. Order Equipment.................................................................................... 19
Step 6. Configure T7300F/Q7300H.................................................................... 20
Step 7. Troubleshooting ..................................................................................... 20
........................................................................................................................... 20
Sequence of Operations.................................................................................... 20
See form number 63-4366, Q7300 Communicating Subbase System Integration
User Address Manual.
Bus Layout ................................................................................ 12
Subbases
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63- 4365

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Summary of Contents for Honeywell Q7300H

  • Page 1: Table Of Contents

    USER ADDRESS NETWORK VARIABLES LonWorks®, LonTalk®, LonMark® and Excel LonSpec™ are U.S. registered trademarks of Echelon® Corporation. ®U.S. Registered Trademark Copyright © 1998 Honeywell Inc. • All Rights Reserved Description of Devices ... Control Application ... Control Provided... Product Names ...
  • Page 2 Fig. 10. Doubly terminated LonWorks® Bus termination modules..15 Fig. 11. Proper wiring technique..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...

  • Page 3: Introduction

    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.

  • Page 4: Control Provided

    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.

  • Page 5: Products Covered

    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 2000 Communicating Subbase.

  • Page 6: Applicable Literature

    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. Form No. Title 62-0125 T7300F Series 2000 Commercial Microelectronic Conventional or Heat...

  • Page 7: Construction

    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).

  • Page 8: Performance Specifications

    T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES 6-11/16 (170) Set Program Occupied Unoccupied Program Start Time Start Time Temporary Set Current Clear Day/Time Occupied Start Time Continous Unoccupied Fig. 3. T7300F/Q7300H dimensions in in. (mm). Performance Specifications Electrical Ratings: Power: 20 to 30 Vac, 50/60 Hz.

  • Page 9: Communications

    T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Table 2. Terminal descriptions and conditions. Standard Terminal Designations A1, A3 Damper control relay. See T7300F Installation Instructions, form 69-1025-3, installer setup 18, for control parameters. Dry auxiliary contact. (A2 is common to A1, A3.) AS,AS C7150B Discharge Air Sensor connection.

  • Page 10: Lonmark® Functional Profile

    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.

  • Page 11: Application Steps

    T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES 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.

  • Page 12: Step 2. Determine Required Network Devices

    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 two doubly daisy-chained LonWorks Bus segments.

  • Page 13: Fig. 6. Typical Topology For T7300F/Q7300H Devices In

    T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES NOTEBOOK PC RS-232 SLTA MODEM MODEM RS-232 SLTA Fig. 6. Typical topology for T7300F/Q7300H devices in LonWorks 209541B TERMINATION MODULE T7300 EXCEL 10 CVAHU LonWorks ® BUS SEGMENT NUMBER 2 T7300 BUILDING MANAGER...

  • Page 14: Cable Termination

    T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES EXCEL 10 CVAHU T7770 EXCEL 10 CVAHU T7300 BUILDING MANAGER EXCEL 15 W7760 T7300 30 31 LonWorks ® EXCEL 10 T7770 Fig. 8. Wiring layout for one doubly terminated daisy-chain LonWorks Cable Termination The FTT network segment requires termination for proper data transmission performance.

  • Page 15: Doubly Terminated Daisy-Chain Network Segment

    INPUTS AND OUTPUTS M16122 M10886A Fig. 12. Ferrite core wires from Q7300H to LonWorks® 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.

  • Page 16: Fig. 13. Typical Hookup Of T7300F/Q7300H In Three-Stage Heat, Two-Stage Cool Heat Pump System

    USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION INSTRUCTIONS. USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED IN OCCUPIED MODE. CONNECT GND TO EARTH GROUND. Fig. 14. Typical hookup of T7300F/Q7300H in three-stage heat, two-stage cool heat pump system (with O/B terminals). 63-4365 SUBBASE...

  • Page 17: Fig. 15. Typical Hookup Of T7300F/Q7300H In Three-Stage Heat, Three-Stage Cool Conventional System

    USE A1 AND A2 WHEN CONTACTS ARE NORMALLY CLOSED 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. HIGH SPEED DISCHARGE...

  • Page 18: General Considerations

    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 accepts 14 through 22 AWG (2.0 to 0.34 sq. mm wire). Recommended Wire...

  • Page 19: Step 5. Order Equipment

    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. Part Number Q7300H2003 Communicating subbase with O and B terminals for three-stage heat, two-stage cool heat pump system.

  • Page 20: Step 6. Configure T7300F/Q7300H

    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.
  • Page 21 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 Temporary Occupied button on the T7300F, or —...
  • Page 22 63-4365...
  • Page 23 63-4365...
  • Page 24 Honeywell Limited-Honeywell Limitee Honeywell Plaza 155 Gordon Baker Road P.O. Box 524 North York, Ontario Minneapolis, MN 55408-0524 M2H 3N7 Honeywell Latin American Region Honeywell Europe S.A. 480 Sawgrass Corporate Parkway 3 Avenue du Bourget Suite 200 1140 Brussels Sunrise, FL 33325 Belgium 63-4365 J.S.

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