Honeywell T7350- Manuals

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 5 63-4368 Network Variables —A class of variables defined in Neuron C that allows communication over the L ON W ORKS® network to other nodes on the network. An output network variable in one node can be bound to a corresponding input network variable(s) in ot...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 7 63-4368 Fig. 2. Dimensions of thermostat and subbase in in. (mm). Communications The T7350H provides networking capability in a L ON W ORKS® system using a Free Topology Transceiver (FTT) transformer- coupled communications port running at 78 kilobits per s...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 8 L ON M ARK® Functional Profile Fig. 3. T7350H L ON M ARK® Space Comfort Controller Rooftop Object (8504) with Node Object. nv28 nv26 nvoSpaceTempSNVT_ temp_p nv27 nvoUnitStatus SNVT_hvac_status nvoEffectSetptSNVT_temp_p Hardware Output Hardware Outp...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 9 63-4368 NETWORK CONFIGURATIONS The T7350H can be configured to perform a variety of activities in which data is sent to and/or received from other nodes on the L ON W ORKS® network. Information that can be shared with other network devices includes: — Curre...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 10 value will be used in the T7350H as the primary controlled variable. The local space temperature sensor of the T7350H is ignored until the network sensor fails. • Space Humidity Sharing: If a valid humidity value is received at the T7350H Space Hum...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 11 63-4368 Refer to the Light Commercial Building Solution System Communication Guide form 71-3123 and the E-Bus Wiring Guidelines, form 74-2865 for a complete description of network topology rules. Prepare Wiring Diagrams, for wiring details. Plan to configu...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 12 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 L ON W ORKS® Bus terminals. Refer to L ON W ORKS® ...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 15 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 te...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 17 63-4368 Step 5. Order Equipment After compiling a bill of materials through completion of the previous application steps, refer to Table 10, Ordering Information. Table 10. Ordering Information. Step 6. Configure T7350 Use Excel L ON S PEC ™ Software to co...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 18 Step 7. Troubleshooting Table 11. Troubleshooting Information. Symptom Possible Cause Action Display will not come on. Thermostat is not being powered. Check that X terminal is connected to the system transformer. Check for 24 Vac between X and RH ...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 20 APPENDIX A - NETWORK TOOLS & WORKSTATIONS Table 12. T7350H Operational Support. Network Tools & Workstations Summary of T7350H Operational Support L ON S PEC ™ L ON S T A TION ™ W 776 0B - XL 15B Cmd Dis p lay - S776 0 CA RE LNS Plugin Da t...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 21 63-4368 APPENDIX B - NETWORK ALARM REPORTING Table 13. T7350H Alarm Change of State Event. A T7350H alarm change of state event is reported by the manufacturer defined output network variable nvoAlarmH. nvoAlarmH Field Description subnet The L ON W ORKS® s...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 22 Table 15. Identifying Five Most Recent T 7350 Alarms. The five most recent T7350 alarms are identified in the manufacturer defined output network variable nvoAlarmLog. nvoAlarmLog Field Description alarm1 Alarm log: Most recent alarm. Alarm Codes 0...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 23 63-4368 APPENDIX C - NETWORK ERROR REPORTING Table 16. Reporting T 7350H Errors. T 7350H errors are reported through the manufacturer defined output network variable, nvoError. nvoError Field Description errLoclSpaceSensr Local space temperature sensor not...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 25 63-4368 APPENDIX D - NETWORK ACCESS TO LOCAL SENSOR DATA APPENDIX E - SCHEDULING NETWORK DEVICES A T7350H can be used to time schedule the following Honeywell controllers: • Another T7350H. • T7300/Q7300. • XL15C application objects (Control loops/StartSto...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 26 APPENDIX G - NETWORK CONNECTIONS TO OTHER LCBS DEVICES Table 18. Network Connections to XL15A AP Inputs. T7350H Network Variable Outputs can be used as inputs to XL15A application objects. XL15A Application Object Application Input Source T7350H Ne...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 34 APPENDIX H - T7350H NETWORK VARIABLE SUMMARY Table 21. T7350H Network Variable Summary. Nv Name L ON S PEC ™ Ref Name Class Description nciApplVer Application version CONFIG Application type: identifies the current application number for this devic...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-4368 B.B. 11-04 www.honeywell.com Automation and Control Solutions Honeywell International Honeywell Europe S.A. Honeywell Latin American Honeywell International Inc. Honeywell Limited-Honeywell Limitée Control Products 3 Avenue du Bourget Region 1985 Doug...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 8 Wiring CAUTION Electrical Shock or Equipment Damage Hazard. Can shock individuals or short equipment circuitry. Disconnect power supply before installation. IMPORTANT All wiring must comply with local electrical codes and ordinances. NOTE: Maximum...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 11 63-2605—5 Fig. 8. Mounting thermostat on subbase. SETTINGS Using Thermostat Keys The thermostat keys are used to: • set current time and day, • program times and setpoints for heating and cooling, • override the program temperatures, • display present sett...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 12 INSTALLER SETUP For most applications, the thermostat factory settings do not need to be changed. Review the factory settings in Table 10. NOTE: When power is first applied to the thermostat, the display will show all segments (see Fig. 10). Tabl...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 13 63-2605—5 — No options lockout special keypresses. See the Special Functions section for details. 4. Once the proper option is chosen, exit Installer Setup by pressing Run Schedule . 5. The display prompts SAV CFG (save configuration). If you want to save ...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 15 63-2605—5 PROGRAMMING The thermostat operates at the Occupied temperature setting until the thermostat is programmed. Table 12 shows the default temperature settings. (The program has four): — Occupied heat. — Occupied cool. — Not Occupied heat. — Not Occu...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 16 3. Press up S or down T until the desired time is displayed. 4. Press Run Schedule . IMPORTANT — Invalid holidays are ignored. — Valid holidays require valid: month, day and duration. — Holidays such as the fifth Tuesday of a month with only four...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 18 OPERATION Startup Operation Upon initial thermostat powerup, a startup and initialization program begins. This startup occurs only on initial powerup. After total loss of power for an extended period, the current time and day can be lost (requiri...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 19 63-2605—5 — The Derivative Time (DT) , also called Derivative Gain, determines the impact of the error rate on the output signal. The error rate is how fast the error value changes. It can also be the direction the space temperature is going, either toward...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 20 Fig. 13. Setpoint ramping parameters with ramp rate calculation. NOTE: The setpoint used during the cool recovery period is similar to the heat mode in Fig. 11, except the slope of the line reverses for cooling. Advantages: • Comfort setting is a...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 22 Dehumidification (T7350D,M,H only ) There are five methods through which the T7350 can control for dehumidification. Three of them modify the control algorithm, thus providing limited dehumidification through cooling. The other two use the auxili...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 30 APPENDIX - PDA USAGE See Table 20 for the advanced setup options available through a PDA. NOTE: Upon initial thermostat power-up, wait at least 30 seconds before connecting the TIM. Hardware Requirements The Thermostat Configuration Tool has the ...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 63-2605—5 34 Fig. 42. Summary screen with configuration numbers. Deleting Configurations 1. Make certain you are in a configuration other than the one you plan to delete. 2. Tap the Summary tab in the upper left corner. 3. Select File / Delete. 4. Select the ...

T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT 35 63-2605—5 Online Diagnostics Connect to a thermostat and, using the “Monitor Data” function, read diagnostic information including: • Thermostat firmware version. • Thermostat hardware version. • Subbase hardware version. • Run time error messages. Table 2...