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T7300F/Q7300H Series 2000 Commercial
Thermostats and Communicating
Subbases
Contents
INTRODUCTION ........................................................................................................................... 3
Description of Devices ....................................................................................... 3
Control Application ............................................................................................. 3
Control Provided...............................
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES LIST OF FIGURES Fig. 1. Typical T7300F/Q7300H LonWorks® network diagram.......................... 3 Fig. 2. Typical T7300F/Q7300H application....................................................... 4 Fig. 3. T7300F/Q7300H dimensions in in. (mm). ............................................... 8 Fig. 4. Functional Profile Number 8060─ LonMark® Thermostat Object (Type 09) (Thermostat profile variables not used are grayed).
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Control Application INTRODUCTION The T7300F/Q7300H Series 2000 Commercial Description of Devices Thermostats and Communicating Subbases control 24 Vac commercial single zone heating, ventilating and air The Q7300H Subbase is a LonMark® certified device that conditioning (HVAC) equipment. In addition, the Q7300H provides networking capability for the T7300F Thermostat can communicate schedule information and system in a L
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES SUBBASE 3 Y2 A1 A2 C5 C4 C3 C2 C1 T TEBEB AS AS X Y1 O E G W1 B R AUX. HEAT COMPRESSOR ® DISCHARGE LonWorks CONTACTOR 2 AIR BUS SENSOR FAN HEAT CA5 CA4 CA3 CA2 CA1 T T RELAY CHANGEOVER COMPRESSOR T7147 REMOTE COMFORT ADJUST MODULE VALVE ® LonWorks GND CONTACTOR 1 EM. HT. BUS RELAY ECONOMIZER 2 4 COOL 1 CHANGEOVER L1 VALVE (HOT) L2 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. TRANSFORME
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Products Covered Organization of Manual This System Engineering manual describes how to apply This manual is divided into four basic sections: the T7300F Thermostat and Q7300H Communicating 1. Introduction. Provides an overview of the Subbase and related accessories to typical applications. T7300F/Q7300H, discusses related devices, lists Devices include: additional literature, and provides a glossary of T7300F Series 200
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Applicable Literature ABBREVIATIONS AND DEFINITIONS The following list of documents contains general Application—A specific Building Control function. information related to the T7300F/Q7300H Series 2000 Commercial Thermostats and Communicating Subbases. 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 Form No.
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Network Variables—A class of variables defined in RIO—Excel 10 Remote Input/Output device. Neuron C that allows communication over the LonWorks® network to other nodes on the network. An output network RTC—Real Time Clock. variable in one node can be bound to corresponding input network variable(s) in other node(s). Changing the value of Schedule—The structure that defines the occupancy the output network variable in one
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES 6-11/16 (170) 1/16 (2) 3-3/16 (77) 1-3/8 (35) 1-7/8 (47) 4-1/8 (105) 1-11/16 (43) 7-5/16 (186) 7/8 (22) 4-5/8 Run (117) Occupied Unoccupied Occupied Unoccupied Program Day Start Time Start Time Temp Temp Temporary Set Current Clear Heat/Cool Occupied Day/Time Start Time Copy Settings Continous Unoccupied System Fan M16086A Fig. 3. T7300F/Q7300H dimensions in in. (mm). Differential: Performance Specifications 2°F (1°C).
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Table 2. Terminal descriptions and conditions. Standard Terminal 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. A2 Dry auxiliary contact. (A2 is common to A1, A3.) Input — AS,AS C7150B Discharge Air Sensor connection. Input — B Heating changeover valve. Output 24V powe
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES Approved cable types for LonWorks® Bus NOTE: For additional information on the LonMark® communications wiring are Level IV, 22 AWG (0.34 sq Functional Profile, see the LonMark® Application mm) plenum or non-plenum rated unshielded, twisted pair, Layer Interoperability Guidelines and the solid conductor wire. For nonplenum areas, use US part LonMark® Functional Profile: Thermostat. Both AK3781 (one pair) or US part AK3782
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES • Schedule: Table 3. Application Steps. The occupancy schedule used by a T7300F may reside Step Description locally in that device or remotely in another schedule device (T7300F or Excel 15). Local schedules can be 1 Plan the system. created and modified using the T7300F keypad, or with 2 Determine required network devices. a configuration tool. External schedules can also be modified using the keypad of the schedule dev
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES In addition, a 209541B Termination Module may be Step 2. Determine Required Network required. Refer to the E-Bus Wiring Guidelines, form 74- 2865, and the Excel 10 FTT Termination Module Devices Installation Instructions form, 95-7554, or if Excel 15s are present, see Application Step 3. Lay Out Communications A maximum of 60 nodes can communicate on a single and Power Wiring in the W7760A System Engineering LonWorks® Bu
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES NOTEBOOK PC T7300 T7300 T7300 T7300 RS-232 ® LonWorks BUS SLTA T7300 MODEM MODEM RS-232 ® LonWorks BUS SLTA T7300 T7300 T7300 T7300 MODEM RS-232 ® LonWorks BUS SLTA M16063A Fig. 6. Typical topology for T7300F/Q7300H devices in LonWorks® network. 209541B TERMINATION ® LonWorks BUS SEGMENT NUMBER 1 MODULE T7300 EXCEL 10 EXCEL 10 EXCEL 10 T7770 CVAHU CVAHU CVAHU 209541B 209541B TERMINATION TERMINATION MODULE MODULE ®
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES ® LonWorks BUS EXCEL 10 CVAHU EXCEL 10 EXCEL 10 RI0 RI0 T7770 EXCEL 10 T7300 209541B TERMINATION RI0 MODULES (AT ENDS OF ® LonWorks BUS T7300 DAISY-CHAIN) EXCEL 10 T7770 CVAHU T7300 WITH NO ® LonWorks T7300 BUS ACCESS BUILDING MANAGER 1 4 8 12 16 EXCEL 15 W7760 EXCEL 10 T7300 T7300 T7300 T7300 RI0 17 23 30 31 37 44 ® LonWorks BUS T7770 WITH NO ® LonWorks BUS ACCESS EXCEL 10 EXCEL 10 EXCEL 10 EXCEL 10 RI0 CVAH
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES 2. Securely tighten each terminal screw. Doubly Terminated Daisy-Chain Network Segment 3. Push excess wire back into the hole. 4. Plug the hole with nonflammable insulation to In a doubly terminated daisy-chained topology segment, prevent drafts from affecting the thermostat. two terminations are required, one at each end of the topology segment. Doubly terminated segments use the NOTE: After wiring, check that all conne
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES SUBBASE 2 EB EB AS AS X Y1 G Y2 E W3 W2 W1 R A1 A2 A3 C5 C4 C3 C2 C1 T T EM. HT. HEAT COMPRESSOR ECONOMIZER RELAY RELAY 2 CONTACTOR 1 ® DISCHARGE LonWorks BUS AIR 4 SENSOR CA5 CA4 CA3 CA2 CA1 T T FAN T7147 REMOTE COMFORT ADJUST MODULE ® HEAT LonWorks BUS RELAY GND RELAY 3 3 1 COMPRESSOR HEAT CONTACTOR 2 L1 RELAY 1 (HOT) L2 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD TRANSFORMER PROTECTION AS REQUIRED. 2 USE A
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES SUBBASE 3 A1 A2 A3 C5 C4 C3 C2 C1 T T EB EB AS AS RC Y1 G Y2 Y3 X W3 W2 W1 RH 2 HEAT COMPRESSOR ECONOMIZER COMPRESSOR RELAY 2 CONTACTOR 1 ® DISCHARGE CONTACTOR 2 LonWorks AIR BUS 5 SENSOR CA2 CA1 T T CA5 CA4 CA3 FAN ® T7147 REMOTE COMFORT ADJUST MODULE LonWorks COMPRESSOR RELAY GND BUS CONTACTOR 3 1 4 HEAT HEAT L1 L1 RELAY 3 RELAY 1 (HOT) (HOT) L2 L2 1 HEATING COOLING TRANSFORMER TRANSFORMER 1 4 POWER SUPPLY. PROVIDE
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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). 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
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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. Part Number Product Description Comments Q7300H2003 Communicating subbase with O and B Includes AS terminals for optional discharge air terminals for three-stage heat, two-stage cool sensing; A1, A2, A3 terminals for optional heat pump sys
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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES communicated to the Q7300H). The Room Temperature Step 6. Configure T7300F/Q7300H sensor provides the temperature input for the temperature control loop of the T7300F. If both local and remote Use Excel LonSpec™ Software to configure the sensors are available, the two values can be averaged and T7300F/Q7300H Thermostat/Subbase for specific the resulting value supplied to the temperature control applications. The Excel Lo
