Honeywell T7022A User's Manual
Contents
1. 0 0247 2 T7022A REMOTE TEMPERATURE SENSOR Duct Mounting RETURN a AIR DUCT DRILL 5 16 INCH HOLE FOR SENSOR DRILL 3 8 INCH HOLE IF EXTENSION TUBE IS USED SETSCREW M17818 BRACKET Fig 2 Duct mounting with mounting bracket Light Troffer Mounting BOX MOUNTING 7 SHEET METAL 4 27 SCREWS J a7 OPTIONAL EXTENSION TUBE MOUNTING BRACKET o OUTLET BOX M17819 Fig 3 Duct or light troffer mounting where wiring must be run in conduit 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 77022 M17821 Fig 4 Cross section of light troffer showing a typical mounting location of the side 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 T7022 N A 3 fan e A SHIELD N M17820 Fig 5 Cross section of light troffer showing a typical mounting location at the end of the light troffer Honeywell Home and Building Control Home and Building Control Honeywell Honeywell Limited Honeywell Limit e 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Scarborough Ontario MIV 4Z92. Printed in U S A on recycled ane 60 0247 2 B B Rev 2 01 paper containing at least 10 www honeywell com building components post consumer paper fibers
3. Honeywell T7022A Remote Temperature Sensor 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 Mhen Installing Iia Produet 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 installatio
4. n U S Registered Trademark Copyright 2001 Honeywell All Rights Reserved INSTALLATION INSTRUCTIONS 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 M17843 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
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