Honeywell G User Manual

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INSTALLATION INSTRUCTIONS
62- 0179
T7047C,G,H
Remote Space Sensors
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).

Honeywell G Specifications

General

Brand	Honeywell
Model	G
Category	Stud Sensor
Language	English

Summary

APPLICATION

Remote Space Sensors Usage

Describes the use of T7047 Remote Space Sensors in Series 70 Control Systems for modulating space temperature control.

SPECIFICATIONS

Product Models

Lists various T7047C, G, and H sensor models and their compatibility with control systems.

Physical Dimensions and Mounting

Details sensor dimensions, mounting options on walls or outlet boxes, and required screws.

Temperature Sensing and Thermometer

Specifies the thermistor-resistor element and the optional bimetal cover thermometer details.

Sensor Resistance Specifications

NTC Sensor Resistance

Details resistance values and changes for negative temperature coefficient (NTC) sensors.

PTC Sensor Resistance

Details resistance values and changes for positive temperature coefficient (PTC) sensors.

Accessories

Compatible Accessories

Lists compatible accessories such as remote setpoint potentiometers and transmitters.

INSTALLATION INSTRUCTIONS

Pre-Installation Checks

Emphasizes reading instructions, checking ratings, and ensuring a trained installer.

Location Selection

Guidance on selecting an appropriate location for the remote sensor placement.

Mounting Procedure

Step-by-step instructions for mounting the sensor on a wall or outlet box.

Wiring Information

Wiring Compliance and Best Practices

Highlights adherence to codes and avoiding electrical interference with proper wiring.

Typical Wiring Diagrams

Illustrates common wiring configurations for different sensor models and systems.

OPERATION AND CHECKOUT

Sensor Operation Principles

Explains NTC and PTC thermistor operation and how resistance changes affect control systems.

Low Range Thermostat Caution

Warns about potential freezing when using low temperature setpoints below 40°F (5°C).

Calibration and Checkout

States factory calibration and outlines steps for checking sensor resistance and system operation.