Carrier 53DFS250-FS Installation Instructions Manual

Carrier 53DFS250-FS Installation Instructions Manual Manual pdf 1 page image

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Catalog No. 02-DFC534SI Printed in U.S.A. Form 53-4SI Pg 1 11-05 Replaces: 53-1SIBook 1 4Tab 3e 2fPROGRAMMABLESTEP #1 PREPARATION 1STEP #2 WIRE CONNECTIONS 1SAMPLE WIRING DIAGRAM 2STEP #3 TEST OPERATION 2ADVANCED SETUP 2ABOUT ADVANCED FEATURESAND OPERATION 3TROUBLESHOOTING 4CALIBRATION 4This device complies with Part 15 of the FCC rules. Opera-tion is subject to the following 2 conditions: (1) This devicemay not cause harmful interference, and (2) This devicemust accept any interference received, including interfer-ence that may cause undesired operation.Refer to the chart below, or the wiring diagram thatfollows.*Not applicable for use with Duct-Free Splits heat pump systems.Table of ContentsIMPORTANT: FollowInstallation Instructions carefully.CAUTION: DISCONNECT POWER TO THE SYS-TEM BEFORE REMOVING THE OLD THERMOSTATAND INSTALLING THE NEW THERMOSTAT. SERIOUSPERSONAL INJURY COULD RESULT.STEP #1 PREPARATIONA. Proper installation of the thermostat will be ac-complished by following these step by step in-structions. If you are unsure about any of thesesteps, call a qualified technician for assistance.B. Assemble tools and recommended junction box.For best operation, install the thermostat in a junc-tion box that is free from drafts that originate in-side the wall.C. Carefully unpack the thermostat. Save the screws,bracket, and instructions.D. Power to the system should be off for installationor replacement.STEP #2 WIRE CONNECTIONSFUNCTION INSTALL ON THECONNECTOR MARKEDLo Fan G1Compressor YHeating H224 v Power RCommon CRev. Valve O*Hi Fan G2Remote Sensor +5vdc RS+5Remote Sensor Signal RSRemote Sensor Ground RS GNDDry Contact Switch 1 CK1Dry Contact Switch 2 CK2Flat BladeScrewdriverWire Cutterand Stripper.366”WALLWALLFLATSTATEXTENDSLESS THAN3/8" FROMTHE WALL.Flatstatin SmallJ-BoxInstallation InstructionsDIGITAL THERMOSTAT 53DFS250-FSHeat Cool and Cooling OnlyHEATAUTOCOOL!

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