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14. Two T7047G1000 Sensors providing a temperature-averaging network for a T7300/Q7300 Thermostat/Subbase. Q7300 T T M3422 T T T7047GT T T7047G T T T7047G T T T7047G T T T7047G Fig. 15. Five T7047G1000 Sensors providing a temperature-averaging network for a T7300/Q7300 Thermostat/Subbase. Q7300 T T M3419 T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C T T T7047C Fig. 16. Nine T7047C1025 Sensors providing a temperature-averaging network for a T7300/Q7300 Thermostat/Subbase. 1 2 3 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. TERMINAL 8 IS USED WITH THE W974A, B ONLY. TERMINAL 6 IS USED WITH THE W974A, B AND/OR REMOTE SENSING ELEMENT (T7067B ONLY). TERMINALS 6 AND 7 ARE USED TO CONNECT THE REMOTE SENSING ELEMENT TO THE T7067B ONLY. NO SCREW IS PROVIDED WITH THE T7067A FOR TERMINAL 7. DOTTED LINES SHOW REMOTE SENSING ELEMENT CONNECTIONS. M3411 Fig. 12. T7047C1025 used as a remote sensor with T7067B Thermostat. Q7300 T T M3420 T T T7047C T T T7047C T T T7047C T T T7047C Fig. 13. Four T7047C1025 Sensors providing a temperature-averaging network for a T7300/Q7300 Thermostat/Subbase. 5 62-0179 T7047C,G,H REMOTE SPACE SENSORS L1 (HOT) L2 1 2 2 3 4 2 5 6 7 1 8 T T T7080 FOR ZONE 1 C1 H1 C2 H2 C3 H3 C HI LO HT 1 2 3 4 5 6 7 8 9 10 11 12 W7080A LOAD ANALYZER R C 3 NIGHT SETBACK RESISTANCET7047C1082 (USED WITH T7080B ONLY) ZONE 1 DAMPER MOTOR M734J COMMON 1. THE W7080 REQUIRES SEPARATE TRANSFORMER. DO NOT GROUND SECONDARY. 2. EACH M744, M745 MOTOR REQUIRES SEPARATE TRANSFORMER. DO NOT GROUND SECONDARY. ZONES 24 VAC 24 VDC – + C7100B DISCHARGE AIR SENSOR 1 2 3 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. TERMINALS 3, 7 AND 8 ARE ALL EQUIVALENT COMMON TERMINALS. RESISTOR AND TIME SWITCH IN SERIES BETWEEN TERMINALS 5-7. SEE FIG. 6, PAGE 5. M5355 Fig. 17. T7047C1082 used as a remote sensor with T7080B Thermostat. T7047C,G,H REMOTE SPACE SENSORS OPERATION AND CHECKOUT Operation The T7047C,G Remote Sensor control element is a negative temperature coefficient (NTC) thermistor. As the room temperature increases, the resistance of the thermistor decreases. The T7047H Remote Sensor control element is a positive temperature coefficient (PTC) thermistor. As the room temperature increases, the resistance of the thermistor increases. The change in the thermistor resistance causes the motor, system logic panel, or system transmitter bridge circuit to become unbalanced. As the electronic motor, system logic panel or system transmitter circuits react to rebalance the circuit, damper or valve movement, or sequential staging of heating and/or cooling equipment occurs. Low Range Thermostat Use caution when setting temperatures below 40°F (5°C). A low temperature setpoint can result in temperatures below freezing in areas distant from the remote sensor. Calibration The T7047 Remote Space Sensor is accurately calibrated at the factory. It cannot be field calibrated. Checkout Allow the T7047 Remote Space Sensor to stabilize to ambient conditions before taking a resistance measurement. Measure nominal resistance according to the values described in the Specifications section. Measure the sensor resistance in accordance with the temperature curves. See Fig. 3 through 7. Check operation of the complete control systems as directed in the associated technical publications. 7 62-0179 Home and Building Control Home and Building Control Honeywell Honeywell Limited-Honeywell Limitee 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 Printed in U.S.A. on recycled 62-0179 B.B. 9-01 paper containing at least 10% www.honeywell.com/building/com...
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