Honeywell T7200 Manual
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Honeywell T7200 Manual

Programmable commercial thermostats and subbases
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Programmable Commercial
Thermostats and Subbases
The T7200, T7300 Thermostats and Q7300 Sub-
bases control commerical single zone heating, ven-
tilating and air conditioning (HVAC) equipment.
One model can be used for single-stage and multi-
stage applications.
7-day programming-two occupied/unoccupied
periods per day.
Individual temperature setpoints for:
-Occupied heat and cool.
-Unoccupied heat and cool.
Proportional plus integral control-eliminates temp-
erature fluctuations and thermostat tampering.
Intelligent Recovery™-automatically optimizes
start time depending on building load.
Intelligent Fan™-energizes fan on call for heating
or cooling only. Fan can be configured to run cont-
inuously in occupied mode.
Automatic heat/cool changeover.
Universal Versaguard™ Thermostat Guard avail-
able for T7200 and T7300/Q7300.
Locking setpoints and schedules eliminate tamp-
ering (use keyboard security).
One thermostat can be used for heat pump or con-
ventional control.
Optional remote sensors.
Configurable to vary fan and reversing valve operation.
J. A. • Rev. 12-95 •
M3375
T7200, T7300 and Q7300
• ©Honeywell Inc. 1995
Use with Q7300 to interface with C7400/W7459
Economizer System for total integration of rooftop
control.
Convenient overrides allow temporary changes.
Battery backup saves program and maintains clock
time during power failure.
Auxiliary contacts available for use with economizer.
CONTENTS
Specifications ................................................ 2
Ordering Information .................................... 2
Recycling Notice ............................................ 4
Installation .................................................... 4
Temperature Averaging Networks
(See Fig. 5-9) ........................................ 5
Set Thermostat DIP Switches .................... 9
Set Thermostat Mini-Jumper .................. 11
Program the Thermostat ............................. 12
Checkout ...................................................... 13
Test Mode ................................................ 13
Operation .................................................... 15
Cross Reference .......................................... 18
Wiring Diagrams ......................................... 22
Troubleshooting .......................................... 45
1
63-4038-7
63-4038-7

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  • Page 1: Table Of Contents

    T7200, T7300 and Q7300 Programmable Commercial Thermostats and Subbases The T7200, T7300 Thermostats and Q7300 Sub- bases control commerical single zone heating, ven- tilating and air conditioning (HVAC) equipment. One model can be used for single-stage and multi- Use with Q7300 to interface with C7400/W7459 stage applications.

  • Page 2: Specifications

    Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France, Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
  • Page 3 — 231055AA White Door Assembly for T7300B. (See T7300 Doors: See Fig. 2. Fig. 2). MOUNTING MEANS: T7200 Thermostat mounts on a — 231056AA White Door Assembly for T7300A. (See wallplate. The T7300 mounts on the Q7300 Subbase. The cover photo).

  • Page 4: Recycling Notice

    T7200/T7300/Q7300 SPECIFICATIONS • RECYCLING • INSTALLATION — 4074EFS Bag Assembly (two sheet metal screws and — T7147A1002 Remote Temperature Sensor and Over- two machine screws). ride Module. — 4074EKA Bag Assembly (Allen wrench and four — T7147A1010 Remote Temperature Sensor and Over- Allen head screws).
  • Page 5 T7200/T7300/Q7300 INSTALLATION Fig. 4—Location for installing thermostat or remote-mounted sensor. 5 FEET [1.5 METERS] M4385 Fig. 7—Four T7047C1025 Sensors providing a Fig. 5—Two T7047G1000 Sensors providing a temperature averaging network for a T7300/ temperature averaging network for a T7300/ Q7300 Thermostat /Subbase.

  • Page 6: Set Q7300 Subbase Dip Switches

    Earth ground the shield at the thermostat. SET Q7300 SUBBASE DIP SWITCHES M3422 NOTE: Subbase dip switches are not available on the T7200 Wallplate. The Q7300 Subbase provides the T7300 Thermostat with an interface to the single zone HVAC system. See Fig.
  • Page 7 T7200/T7300/Q7300 INSTALLATION 1. For a wall installation, hold subbase or wallplate in 2. Drill four 3/16 in. (4.8 mm) holes and gently tap position and mark holes for the anchors. See Fig. 4. Wall anchors into the holes until flush with the wall.
  • Page 8 Before connection, be sure that the system trans- former can supply the T7200 OR T7300 and Q7300 with adequate power (6 VA). If less than 6 VA is FOR STRAIGHT INSERTION –...

  • Page 9: Set Thermostat Dip Switches

    T7200/T7300/Q7300 INSTALLATION TABLE 6—TERMINAL DESIGNATIONS. Standard Alternate Terminal Designations Or Designation Customer Specials Typical Connection Function Terminal Type Heating damper motor; changeover valve/relay Output 24 Vac powered contact Emergency heat relay Output 24 Vac powered contact Fan relay coil Output 24 Vac powered contact Cooling damper motor;...
  • Page 10 T7200/T7300/Q7300 INSTALLATION Fig. 13—Setting thermostat DIP switches. T7300 ONLY HEAT PUMP CONV M4085A Fig. 14—Setting thermostat mini-jumper for conventional or heat pump system. T7300 ONLY HEAT PUMP CONV ONLY PUT MINI-JUMPER IN THIS POSITION WHEN USING Q7300C,D, OR F SUBBASES.

  • Page 11: Set Thermostat Mini-Jumper

    T7200/T7300/Q7300 INSTALLATION SET THERMOSTAT MINI-JUMPER INSTALL BATTERY (OPTIONAL) The 9 volt battery is not necessary for the operation of NOTE: This operation must be done prior to installing the the thermostat, but holds the program during power out- batteries. If batteries are installed prior to this operation, ages.

  • Page 12: Program The Thermostat

    T7200/T7300/Q7300 PROGRAM THE THERMOSTAT Program the Thermostat NOTE: The programming times are in intervals of ten OVERVIEW minutes; i.e., 8:00, 8:10, 8:20. The keyboard is located behind the thermostat flip-up cover. See Fig. 18. There are 16 keys to set, review and 1.

  • Page 13: Checkout

    T7200/T7300/Q7300 PROGRAM THE THERMOSTAT • CHECKOUT 2. Press and hold the + or - key until the desired tempera- SET + OR - KEY VALUE ture appears. When using the + or - key with the 3 HOUR OCCU- 3. Repeat Steps 1 and 2 until all four temperatures are set.
  • Page 14 T7200/T7300/Q7300 CHECKOUT COOL CAUTION Move switch to auto. Do not use the test mode for longer than 10 min- CAUTION utes. The test mode overrides the minimum on and off times that protect the system. Equipment dam- Do not operate cooling if outdoor temperature is age can result if the thermostat remains in the test below 50°F (10°C).

  • Page 15: Operation

    (program) in the thermostat eliminates the factors EQUIPMENT PROTECTION causing offset. This makes temperature control more accu- As part of the operational sequence, the T7200/T7300 rate than the conventional electromechanical or electronic microprocessor also incorporates minimum On and Off thermostats.
  • Page 16 When the thermostat is operating in the occupied mode, Heat Pump Operation the temperature is controlled to the occupied heat or cool The T7200 is fixed for either heat pump or conventional setpoint. The normally open (A1) auxiliary relay contacts control applications. The T7300 is configurable for either...
  • Page 17 See Fig. 22. Heat Pump — Duty Cycle Interface Duty cycling HVAC equipment controlled with a T7200 Subbase Auxiliary Relay or T7300 is recommended because the thermostat is al- The Q7300 auxiliary relay output acts as a time-of-day ready maintaining an optimum control cycle rate.

  • Page 18: Cross Reference

    T7200/T7300/Q7300 CROSS REFERENCE Cross Reference Refer to Table 10 for thermostat and subbase cross referencing information. TABLE 10—THERMOSTAT AND SUBBASE CROSS REFERENCE. Model Fig. Trade Number Description Replacement Remarks T7200A 7-day programmable thermostat for commercial conventional systems. A1006 23,24,25 Tradeline®.
  • Page 19 T7200/T7300/Q7300 CROSS REFERENCE TABLE 10—THERMOSTAT AND SUBBASE CROSS REFERENCE (Continued). Model Fig. Trade Number Description Replacement Remarks T7300C Fully configurable programmable thermostat with limited access cover. See Figure 3 for view of door. C1001 Tradeline. T7300C1001 Beige color C1019 Tradeline. Premier White™ T7300.
  • Page 20 T7200/T7300/Q7300 CROSS REFERENCE TABLE 10—THERMOSTAT AND SUBBASE CROSS REFERENCE (Continued). Model Fig. Trade Number Description Replacement Remarks B1073 28,29, Tradeline. 2 heat and 2 cool. Q7300B1073 Brown color 30,32, 35,36 B1081 28,29, Tradeline. Used with Premier White T7300. Q7300B1081 Light gray color 30,32, 2 heat and 2 cool.
  • Page 21 T7200/T7300/Q7300 CROSS REFERENCE TABLE 10—THERMOSTAT AND SUBBASE CROSS REFERENCE (Continued). Model Fig. Trade Number Description Replacement Remarks D1053 Tradeline. 1 stage heat pump. Q7300D1053 Brown color D1061 41 Tradeline. 2 stage heat pump. Q7300D1061 Brown color D1079 41 Tradeline. Used with Premier White T7300.

  • Page 22: Wiring Diagrams

    T7200/T7300/Q7300 WIRING DIAGRAMS Wiring Diagrams Fig. 23—T7200A with wallplate. T7200 THERMOSTAT EXISTING HVAC EQUIPMENT WALLPLATE HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) (IF NO "C" TERMINAL) COOL 1 HEAT 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
  • Page 23 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 24 VAC SECONDARY. ASSURE THAT EQUIPMENT TRANSFORMER IS SIZED TO HANDLE THE EXTRA LOAD OF THE ECONOMIZER, ACTUATOR, T7200 AND WALLPLATE AN ELECTRONIC SWITCH THAT CLOSES WHEN POWERED BY A 24 VAC INPUT.
  • Page 24 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 25—T7200A with electric heat system. T7200 EXISTING HVAC EQUIPMENT THERMOSTAT WALLPLATE SYSTEM TRANSFORMER (HOT) (IF NO "C" TERMINAL) COOL 1 ELECTRIC HEAT FAN RELAY 1K HEAT 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
  • Page 25 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 27—T7300/Q7300A with single transformer 1-stage heat/1-stage cool system. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) (IF NO "C" TERMINAL) COOL 1 HEAT 1 (HOT) LED1 T7147 REMOTE LED2 COMFORT...
  • Page 26 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 28—T7300/Q7300A,B,E used with single transformer 1-stage heat/2-stage cool system. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) (IF NO "C" TERMINAL) COOL 1 COOL 2 HEAT 1 SYSTEM SWITCH (HOT)
  • Page 27 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 29—T7300/Q7300A,B used with single transformer 2-stage heat/1-stage cool system. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) (IF NO "C" TERMINAL) COOL 1 HEAT 1 HEAT 2 SYSTEM SWITCH (HOT)
  • Page 28 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 30—T7300/Q7300A,B,E used with single transformer 2-stage heat/2-stage cool system without econo- mizer. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) (IF NO "C" TERMINAL) COOL 1 COOL 2 HEAT 1...
  • Page 29 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 31—T7300/Q7300G with single transformer 1-stage heat/3-stage cool system. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) (IF NO "C" TERMINAL) COOL 1 COOL 2 COOL 3 HEAT 1 SYSTEM SWITCH...
  • Page 30 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 32—T7300/Q7300A,B,G defeating economizer minimum position during unoccupied period in a 2-stage cool system with single enthalpy changeover using W7459A/C7400 with an M7415 actuator. W7459A ECONOMIZER PACKAGE M7415 ACTUATOR ENTHALPY SENSOR C7400 620 OHM RESISTOR C7150B MIXED...
  • Page 31 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 33—T7300/Q7300G defeating economizer minimum position during unoccupied period in 3-stage cool system with single enthalpy changeover using W7459A/C7400 with M7415 Actuator. W7459A ECONOMIZER PACKAGE M7415 ACTUATOR ENTHALPY SENSOR C7400 620 OHM RESISTOR C7150B MIXED OR DISCHARGE...
  • Page 32 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 34—T7300/Q7300G with W859A Economizer package in 1-stage heat/3-stage cool system defeating economizer minimum position during unoccupied period. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUPIMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) COOL 3 HEAT 1 COOL 1...
  • Page 33 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 35—T7300/Q7300A,B with W859D economizer package in 2-stage heat/2-stage cool system defeating economizer minimum position during unoccupied period. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUPIMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) HEAT 2 HEAT 1. COOL 1...
  • Page 34 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 36—T7300/Q7300A,B with economizer package in 1-stage cool system defeating economizer minimum position during unoccupied period with differential enthalpy changeover using W7459A/C7400 with M7415 Actuator. W7459A ECONOMIZER PACKAGE M7415 ACTUATOR OUTDOOR AIR ENTHALPY SENSOR C7400 RETURN AIR...
  • Page 35 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 37—T7300/Q7300 with economizer package in 1-stage cool system defeating economizer minimum position during unoccupied period with single enthalpy changeover using W7459A/C7400 with M7415 Actuator. W7459A ECONOMIZER PACKAGE M7415 ACTUATOR ENTHALPY SENSOR C7400 620 OHM RESISTOR C7150B MIXED...
  • Page 36 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 38—T7300/Q7300C with 2-stage heat/1-stage cool heat pump system using O or B terminal for reversing valve. T7300 Q7300 HEAT PUMP SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT SYSTEM HVAC EQUIPMENT TRANSFORMER TERMINAL STRIP (HOT) AUX. HT. CO HT EM.HT.
  • Page 37 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 39—T7300/Q7300D with 2-stage heat/1-stage cool heat pump system. T7300 Q7300 HEAT PUMP SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) SYSTEM AUX. HT. EM. HT. SWITCH LED (RED) LED (RED) EM. HT (IF NO "C"...
  • Page 38 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 40—T7300/Q7300C with 2-stage heat/2-stage cool heat pump system using O or B terminal for reversing valve. T7300 Q7300 HEAT PUMP SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT SYSTEM HVAC EQUIPMENT TRANSFORMER TERMINAL STRIP (HOT) EM. HT. AUX. HT.
  • Page 39 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 41—T7300/Q7300D with 3-stage heat/2-stage cool heat pump system. T7300 EXISTING HVAC EQUIPMENT Q7300 HEAT PUMP SUBBASE THERMOSTAT HVAC EQUPIMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) SYSTEM EM. HT. AUX. HT. SWITCH LED (RED) LED (RED) (IF NO "C" TERMINAL) EM.
  • Page 40 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 42—T7300/Q7300C,D with economizer package in 2-stage heat/1 stage cool heat pump system defeating economizer minimum position during unoccupied period. T7300 Q7300 HEAT PUMP SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT (HOT) HVAC EQUPIMENT TERMINAL STRIP RELAY SYSTEM SWITCH REV.
  • Page 41 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 43—T7300/Q7300F for 1-stage heat pump. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) (IF NO "C" TERMINAL) COMP. 1 AUX. COOL CHANGEOVER (HOT) LED1 T7147 REMOTE COMFORT LED2 ADJUST MODULE...
  • Page 42 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 44—T7300/Q7300F for 1-stage heat/1-stage cool and 2-stage heat/1-stage cool heat pumps. T7300 Q7300 SUBBASE EXISTING HVAC EQUIPMENT THERMOSTAT HVAC EQUIPMENT SYSTEM TERMINAL STRIP TRANSFORMER (HOT) COMP. 1 AUX. HT. LED (GREEN) COMP. 2 H1/C1 COOL CHANGEOVER AUX.
  • Page 43 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 45—Q7300L for 2-stage heating with three-position ML984A actuator/V50B valve and 1-stage cooling. T7300 Q7300L EXISTING HVAC EQUIPMENT THERMOSTAT (HOT) (HOT) COOLING RELAY 2K RELAY COOL LOW SPEED FAN RELAY 1K RELAY ML984A VALVE ACTUATOR HIGH SPEED...
  • Page 44 T7200/T7300/Q7300 WIRING DIAGRAMS Fig. 46—Q7300L for single-stage conventional heating systems with single-stage cooling. T7300 Q7300L EXISTING HVAC EQUIPMENT THERMOSTAT (HOT) COOLING RELAY 2K RELAY COOL LOW SPEED FAN RELAY 1K RELAY HIGH SPEED FAN RELAY HEAT 3K RELAY DAMPER CONTROL RELAY...

  • Page 45: Troubleshooting

    T7200/T7300/Q7300 TROUBLESHOOTING Troubleshooting Refer to Figs. 47 and 48 to troubleshoot problems with the thermostat and system. Fig. 47—Troubleshooting chart to quickly isolate a display or fan problem. SYMPTON POSSIBLE CAUSE ACTION • LCD TEMPERATURE SYSTEM WITHOUT REMOTE SENSOR: CHECK THAT SWITCH 5 Q7300 SWITCH 5 INCORRECTLY SET.
  • Page 46 T7200/T7300/Q7300 TROUBLESHOOTING Fig. 48—Troubleshooting chart to quickly isolate a HVAC problem. SYMPTON POSSIBLE CAUSE ACTION CHECK POWER TO FURNACE OR AIR CONDITIONER. HVAC WILL NOT NO ac VOLTAGE TO THERMOSTAT. • ON-OFF SWITCH OPERATE. • FUSE OR CIRCUIT BREAKER • LOOSE 24 VAC CONNECTION —AT THERMOSTAT...
  • Page 47 63-4038—7...
  • Page 48 Class B prescrites dans le Réglement sur le brouillage radioélectrique édicté par le ministère des Communications du Canada. Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 155 Gordon Baker Road Golden Valley, MN 55422 North York, Ontario M2H 2C9 63-4038—7...

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T7300Q7300

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