Honeywell T7047G, T7047C, T7047H User Manual

T7047C,G,H

Remote Space Sensors

INSTALLATION INSTRUCTIONS

APPLICATION

The T7047 Remote Space Sensors are used in Series 70 Control Systems to provide modulating space temperature control.

SPECIFICATIONS

IMPORTANT

The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit may not exactly match the listed specifications. This product is tested and calibrated under closely controlled conditions, and some minor differences in performance can be expected if those conditions are changed.

Models:

T7047C: 2-wire remote sensor with no internal

adjustment means (requires remote setpoint device such as S963B, T7067B, and T7080B). T7047C1009: 2-wire remote sensor for use with

control systems such as M7044 and M7045 Motors.

T7047C1025: 2-wire remote sensor for use with control

systems such as the W927, W960, and W973.

T7047C1082: 2-wire remote sensor for use with

T7080B Transmitter in W7080 Multizone Control System.

T7047G: 2-wire remote sensor with no internal

adjustment means (requires remote setpoint device such as S963B, T7067B or T7080B).

T7047H: Thin-film, platinum 1K (at 0°C) temperature

sensor only. For use with the Excel 80/100/500/600 Controllers.

Dimensions: See Fig. 1.

Mounting: Mounts on wall or 2 x 4 in. vertical outlet box

with screws provided.

Temperature Sensor: Thermistor-resistor element.

Cover Thermometer (available on most models):

Element: Bimetal. Range: 55 to 95°F (13 to 35°C).

62- 0179

T7047C,G,H REMOTE SPACE SENSORS

Setpoint Adjustment (T7047C,G only): Remote

setpoint device such as S963B, T7067B, T7080B.

Sensor Resistance:

For the following negative temperature coefficient (NTC)

devices, resistance decreases as temperature increases (see Fig. 3 through 6): T7047C1009: 1695 ohms nominal at 75°F (24°C);

resistance changes 21 ohms for each 1°F (0.6°C) temperature change.

T7047C1025: 1420 ohms nominal at 75°F (24°C);

resistance changes 15 ohms for each 1°F (0.6°C) temperature change.

T7047C1082: 22,800 ohms nominal at 77°F (25°C);

resistance changes nominally 800 ohms for each 1°F (0.6°C) temperature change at typical ambient room temperature.

5/8 (16)

3-9/32

(84)

(10)

3/8

1-13/16 (46)

T7047G: 710 ohms nominal at 75°F (24°C);

resistance changes 7.5 ohms for each 1°F (0.6°C) temperature change.

For the following positive temperature coefficient (PTC)

device, resistance increases as temperature increases (see Fig. 7): T7047H: 1093 ohms nominal at 75°F (24°C);

resistance changes 2 ohms for each 1°F (0.6°C) temperature change.

Accessories:

T7047C1009: 360 ohm S963B1003 Remote Setpoint

Potentiometer.

T7047C1025: 480 ohm S963B1037 Remote Setpoint

Potentiometer, T7067B Single Zone System Tran smi tter.

T7047C1082: T7080B Multizone System Transmitter.

3-5/8 (93)

4-5/8 (118)

7/16 (11)

3 -3/4

(96)

2-7/16 (62)

19/32

(15)

13/16 (21)

1-5/16 (33)

Fig. 1. T7047 dimensions in in. (mm).

62-0179 2

M17995

INSTALLATION

M T C

M S

R (

T7047C,G,H REMOTE SPACE SENSORS

When Installing this Product...

1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition.

2. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application.

3. Installer must be a trained, experienced service technician.

4. After installation is complete, check out product operation as provided in these instructions.

CAUTION

Electrical Shock or Equipment Damage Hazard. Can shock individuals or short equipment circuitry.

Disconnect power supply before installation.

Location

Locate the remote sensor about 5 ft (1.5m) above the floor on an inside wall where it will be affected by freely circulating air at average room temperatures.

Mounting

1. Loosen the cover locking screw with the Allen wrench provided and remove the device cover.

2. Run wire to the selected location.

3. Thread wire through the semicircular hole in the

device.

4. Make connections to the T7047 (see the Wiring section).

5. Select the proper screws for the application. Four mounting screws are provided: a. Two self-tapping type for wall mounting. b. Two for outlet box mounting.

6. If air drafts occur through the wall opening, eliminate with suitable material.

7. Fasten the T7047 on the wall or outlet box with screws through the mounting holes in the device. (See Fig. 2.)

8. Replace the cover and tighten the cover locking screw.

THERMOSTAT

MOUNTING TAB SLOT (2)

OUNTING

CREW (2)

OUNTING AB (2 INSIDE OVER)

WIRING TERMINALS

COVER

Fig. 2. Mounting the T7047.

COVER LOCKING SCRE

2000

1800

1600

1400

1200

1000

RESISTANCE (OHMS)

30 40 50

0 10

-10

Fig. 3. T7047C1009 Remote Sensor resistance

change with change in temperature.

ESISTANCE

OHMS)

000

800

600

400

200

000

-10

Fig. 4. T7047C1025 Remote Sensor resistance

change with change in temperature.

120K

100K

80K

60K

40K

RESISTANCE (OHMS)

20K

0 10 20 30 40

-7 50 60 70 80 90 100

Fig. 5. T7047C1082 Remote Sensor resistance

change with change in temperature.

OUTLET BOX

M2007

3 62-0179

TEMPERATURE (DEGREES)

30 40 50

0 10

TEMPERATURE (DEGREES)

22,800 OHMS AT 77 F (25 C)

60 80 100

TEMPERATURE (DEGREES)

1695 OHMS AT 75°F (24°C)

70 80 90

20 30 40

1420 OHMS AT 75 F (24 C)

70 80 90

20 30 40

140 160 180

120

100

200

° °

M339

M4034

220

M339

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