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T7100D,E,F Microelectronic
Commercial Thermostats and
Q7100A,C,D Subbases
PRODUCT DATA
FEATURES
• Minimum off time for cooling compressor and
heat pumps.
• Field configurable (select models) for:
— °F or °C temperature display;
— automatic or manual changeover;
— electric or conventional heat fan operation.
• Up to two light emitting diodes (LEDs) for easy
reference.
• Remote temperature sensor and setback timer
capability (select models).
• System test simplifies troubleshooting.
APPLICATION
T
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Table 3. Maximum Amperes at 18 to 30 Vac. SPECIFICATIONS Running IMPORTANT Relay (A) Inrush (A) The specifications given in this publication do not Heat .02 to 1.5 3.5 at 200,000 cycles include normal manufacturing tolerances; therefore, an individual unit may not exactly match the listed Cool .02 to 1.5 7.5 at 100,000 cycles specifications. Also, this product is tested and Fan, Reversing Valve, .02 to 0.5 2.5 at 200,000 c
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Dimensions: Location See Fig. 1. Subbase Without Remote-Mounted Temperature Sensor Install the subbase about 5 ft (1.5m) above the floor in an 5-5/8 (143) area with good air circulation at average temperature. See 3-1/4 (83) 1-1/8 1/16 (2) Fig. 2. (29) Do not install the subbase where it can be affected by: 2-1/8 —drafts, or dead spots behind doors and in corners. (54) — hot or cold air from ducts. —radiant heat from sun
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES SUBBASE SUBBASE TT TT T7047G T7047G T7047G T7047G T T T T T T T7047G T T T T T7047G T7047G M4838 Fig. 3. Two T7047G Sensors providing T T T T temperature averaging network for T7100/Q7100 Thermostat/Subbase. M4841 SUBBASE Fig. 6. Five T7047G Sensors providing TT temperature averaging network for T7100/Q7100 Thermostat/Subbase. T7047C SUBBASE TT TT T7047G T7047C T7047C T7047C TT TT TT TT T7047C TT T7047C T7047C T7047C M4839
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES WIRING WALL WIRES All wiring must comply with local electrical codes and THROUGH WALL ordinances. Follow equipment manufacturer wiring instructions when available. Refer to Fig. 16 through 21 for typical hookups. A letter code is located near each terminal for identification. Refer to Table 4 for terminal designations. WALL ANCHORS (2) WARNING Electrical Shock Hazard. Power Supply can cause electrical shock. Disconnect po
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Mounting Thermostat on Subbase SETTINGS Mount the thermostat on the subbase after the subbase is installed. System and Fan Settings System settings control the thermostat operation as follows: 1. Engage the tabs at the top of the thermostat and Em. Heat (Q7100C only): Emergency heat relay is subbase. See Fig. 10. automatically controlled by the thermostat. The cooling 2. Press the lower edge of the case to close and latch.
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Always check the display to determine if the thermostat is —To advance to the next Installer Setup, press the controlling to the comfort, temporary or remote setpoint. Information i key. Temporary is displayed when the Override key is pressed or —To change a setting, use the increase ▲ and decrease the occupancy sensor or remote setback timer is ▼ keys. energized. —To exit the Installer Setup, press and hold the Inform
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Table 6. Thermostat Installer Setup Options. Mode Number Other Choices (Press i Factory-Setting (Press ▲ or ▼ key to change) key Actual to change) Setting Select Display Description Display Description Application 01 00 Conventional 01 Heat pump application (Q7100C,D) (T7100F only). equipment application (fan operation is automatically (Q7100A). selected so go to number 03). Fan 02 00 Conventional applica- 01 Heat
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Table 6. Thermostat Installer Setup Options (continued). Mode Number Other Choices (Press i Factory-Setting (Press ▲ or ▼ key to change) key Actual to change) Setting Select Display Description Display Description Temperature 23 00 Temperature 01 Temperature averaging between averaging averaging disabled. local sensor and remote sensor(s) network activated. c (T7100F only) . Keypad lockout 25 0 No lockout. 1-2 1—
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES NOTE: Press and hold the increase ▲ and decrease ▼ keys INSTALLER SELF-TEST together for three seconds to exit the Self-Test. The Self-Test times out after five minutes without any key Use the Installer Self-Test to check the thermostat presses. configurations and operation. Refer to Table 7 for a list of the available Self-Tests. Thermostat Information 1. Press the Information i key to access the thermostat To start t
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES 5. Press the increase ▲ key again to display the 6. Press and hold the increase ▲ and decrease ▼ keys EEPROM identification code. together, until the room temperature is displayed, to exit (Example: 222 = EEPROM ID 222). the Self-Test. The Self-Test times out after five minutes without any key presses. M4867 Table 8. Installer Self-Test Options. Key to Test Press Number Description Heating Equipment Self-Test 10 Enter heat
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Table 9. Conventional Thermostat Sequence of Operation. OPERATION Selection Thermal Performance Fan System Call Energize Display During severe weather, the thermostat actually controls closer Off None None None to the setpoint than a electromechanical control. This is Auto because the heat anticipator is replaced by two electronic On Off None G control strategies—cycling by heat anticipation and Auto Cool None O None pro
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Minimum-Off Timing WIRING DIAGRAMS (FIG. 17-22) A minimum-off timer assures that the cooling compressor or heat pump compressor does not come on again for at least five minutes after it turns off. The minimum-off timer is SUBBASE triggered when the compressor goes off and when the system RH B OG Y X W RC switch is changed. If the compressor turns off when the setpoint is changed, then the minimum-off timer is triggered. Th
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES SUBBASE RC OY1 Y2 G X W1W2 B RH T T D D 3 COOL COMPRESSOR HEAT REMOTE DAMPER CONTACTOR 2 RELAY 2 TEMPERATURE SENSOR 1 FAN HEAT HEAT COMPRESSOR RELAY RELAY 1 DAMPER CONTACTOR 1 REMOTE SETBACK TIMER L1 L1 (HOT) (HOT) 2 L2 L2 2 1 CAUTION: EQUIPMENT DAMAGE. CAN BURN OUT THERMOSTAT. DO NOT CONNECT POWER TO THE D TERMINAL. DO NOT PARALLEL SEVERAL THERMOSTATS FROM A SINGLE SOURCE UNLESS ISOLATION RELAYS ARE USED. 2 POWE
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES SUBBASE T TD D B X OE G W3 Y2 Y1 X4 X1 X3 R 4 HEAT EM. HT. COMPRESSOR REMOTE AUX. HT. CHANGEOVER RELAY CONTACTOR 1 TEMPERATURE RELAY EQUIPMENT REMOTE VALVE MONITOR 2 SENSOR 3 SETBACK TIMER 1 COMPRESSOR FAN COOL CONTACTOR 2 RELAY EQUIPMENT CHANGEOVER L1 MONITOR 1 VALVE (HOT) L2 2 1 CAUTION: EQUIPMENT DAMAGE. CAN BURN OUT THERMOSTAT. DO NOT CONNECT POWER TO THE D TERMINAL. DO NOT PARALLEL SEVERAL THERMOSTATS FROM A
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T7100D,E,F MICROELECTRONIC COMMERCIAL THERMOSTATS AND Q7100A,C,D SUBBASES Troubleshooting Guide (continued) Symptom Possible Cause Action Heating does not Thermostat minimum Off time is • Wait up to five minutes for the system to respond. come on. activated and wait indicator is • Enter Installer Setup 38 (T7100F only) and reconfigure minimum On (continued) displayed (T7100F only). time (if required). System selection is not set to Set system selection to Heat. Heat. O or B terminal miswired C
