Honeywell T7022A Manuel utilisateur

T7022A

Remote Temperature Sensor

INSTALLATION INSTRUCTIONS

APPLICATION

The T7022 Remote Temperature Sensor is a non-

adjustable thermistor sensor. Its primary use is with the

T7300 Programmable Commercial Thermostat (only in

return air) to control heating or cooling equipment.

NOTE: The T7022 can also be used with a T7100F,

provided the proper Q7100 subbase√one

capable of handling more than one stage of

heat√is used.

INSTALLATION

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

Erratic System Operation Hazard.

Failure to follow proper wiring practices can

introduce disruptive electrical interference

(noise).

Keep wiring at least one foot away from large

inductive loads such as motors line starters,

lighting ballasts, and large power distribution

panels.

Shielded cable is required in installations where

these guidelines cannot be met.

Ground shield only to grounded controller case.

CAUTION

Electrical Shock or Equipment Damage

Hazard.

Can shock individuals or short equipment

circuitry.

Disconnect power supply before installation.

IMPORTANT

All wiring must agree with applicable codes,

ordinances and regulations.

Wiring (Fig. 1)

Wiring for the T7022 Remote Temperature Sensor can

be run with class 2 wire in accordance with the National

Electrical Codes. Conduit and/or shielding are not

necessary for satisfactory operation, but conduit may be

required by local codes or practices.

T T

Q7300

T7022

M1784

Fig. 1. Typical wiring diagram.

Location

The T7022 Thermostat must be mounted in the return-air

flow in ducts (see Fig. 2 and 3) or light troffers (see Fig. 4

and 5). All mounting locations must be where the sensor

is not affected by heat from the lights or other sources.

Mounting

The T7022 can be mounted in a duct with the furnished

bracket, or in a light troffer as shown in Fig. 4 and 5 with

two rubber grommets (not supplied) if proper spacing

is available. Mounting can be directly in the return-air

passage or in an air-sampling box. The rubber grommets

can be used to wedge the sensor in slot openings of

approximately 3/8 in. to 1/2 in. wide.

When using the mounting bracket, the maximum duct

insertion length for the T7022 is approximately 2-3/4 in.

NOTE: A piece of 3/8 in. diameter conduit can be

used to extend the sensor further inside a duct

(see Fig. 3). The use of such an extension can

increase the maximum insertion length to

approximately 9-1/2 in.

® U.S. Registered Trademark

T7022A REMOTE TEMPERATURE SENSOR

Duct Mounting

RILL 5/16 INCH

OLE FOR SENSOR

(

DRILL 3/8 INCH

OLE IF EXTENSION

UBE IS USED).

RETURN

AIR DUC

SETSCREW

BRACKET M17818

BOX MOUNTING

SHEET METAL

SCREWS

OUTLET BOX

MOUNTING

BRACKET

OPTIONAL

EXTENSION TUBE

M17819

Fig. 2. Duct mounting with mounting bracket. Fig. 3. Duct or light troffer mounting

where wiring must be run in conduit.

Light Troffer Mounting

NOTE: Fig. 4 and 5 illustrate T7022 mounting for individual zone control. This type of application requires the use of

an M7034 Electronic Modutrol®Motor. In applications with an M7034, an S963 can be used to provide remote

setpoint adjustment, if desired.

Fig. 4. Cross section of light troffer showing a typical

mounting location of the side of the light troffer.

T7022

M1782

AIR

CHAMBER

DUCT

SHIELD

DUCT OR

PLENUM

T7022

M1782

Fig. 5. Cross section of light troffer showing a typical

mounting location at the end of the light troffer.

CHECKOUT

Move set point above and below room temperature to

make sure controlled equipment operates properly. See

other system component instructions for additional

checkout procedures.

Home and Building Control Home and Building Control

Honeywell Honeywell Limited-Honeywell Limitée

1985 Douglas Drive North 35 Dynamic Drive

Golden Valley, MN 55422 Scarborough, Ontario

M1V 4Z9

Printed in U.S.A. on recycled

60-0247√2 B.B. Rev. 2-01 paper containing at least 10% www.honeywell.com/building/components

post-consumer paper fibers.

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