Assessments - 3, GPA: 3.3
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CTI502--24 V central electric heat/cool or single stage heat pump without auxiliary heat. CTI503-750 millivolt heat. NOT FOR USE ON LINE VOLTAGE (120 V) SYSTEMS. INSTALLATION MANUAL Any questions concerning the application ofthis thermostat should be directed to Honeywell Consumer Services at 1-800-468-1502, Monday-Friday 730 a.m.-500 pm., Central time. S.M. Rev. 7-91 aHoneywell Inc. 1991 Form Number 69-0273-9 THERMOSTAT FEATURES THERMOSTAT FEATURES HlGH TEMPERATURE CONTROL LEVER (RED) 1 LOW TEMPERATURE CONTROL LEVER (BLUE)- Ill-Cover removed. 24 HOUR PROGRAM DIAL 'THERMOSTAT THERMOMETER 1 11.711 COVER Il-Hinged cover lifted. .. .~ . ,..... . ANTICIPATOR "--- PROGRAM PINS A HIND THERMOSTAT. HELD ON BY TWO CAPTIVE MOUNTING CAPTIVE SCREWS.) k k "1 THERMOSTAT SUBBASE OR MODEL WALLPLATE INCLUDED FOR USE WITH CT1500 199986C Wallplate 2-wire, 15 to 30 volt control circuit For gas or oil heating system. CT1501 Q682A1079 Subbase 4- or 5-wire, 15 to 30 volt control circuit For gas or oil heating/cooling system. CT1502 Q682B1227 Subbase 4-wire, 15 to 30 volt control circuit. For single stage heat pump or central electric heatinglcooling systems that require the thermostat to control the fan in heatino. CT1503 199986D Wailp ate [ 750 mill volt single-stage heating system. aThermostat must be mounted on wallplate or subbase included in package to assure operation. 0Assemble tools required, as illustrated 0MASKING TAPE. IF NEEDED TO LABELWIRESASTHEYARE OISCONNECTED FROM OLD THERMOSTAT Ifwallplate or subbase is mounted on a vertical Ifwallplate or subbase is mounted on a vertical Test to make certain that your heating and cooling systems are working. If either one F i2 0 does not work, contact your local heatingfair conditioning dealer. NOTE: Do not operate cooling system if outdoor temperature is below 50' F [looC]. Turn off power to the heatingfcooling System at the main fuse panel. UNPACK THERMOSTAT THERMOIIAT 0 0 Remove and discard shipping wrap. Save package of screws, instructions and receipt .. Remove thermostat cover by lifting up from the bottom. Carefully remove insert protecting switch 0bulbs. IFT Loosen two captive mounting screws, and OVER0separate wallplate or subbase from back of thermostat base. SCREWS 12.612 2 F F T 0 “3 Remove cover of old thermostat. If the cover 0doesn’t snap off when pulled firmly from the bottom, check for a screw that locks the cover on. 0wall, Before removing the old thermostat from the look at it carefully to locate the heat anticipator adjustment mechanism. (See illustration to help you recognize the heat anticipator.) Make a note herellof that anticipator setting for future reference. If your thermostat does not have a heat anticipator, do not be concerned. Move on to next paragraph. Loosen screws holding thermostat to wallplate, subbase or wall and lift away. Disconnect wires from old thermostat wall- plate or subbase. Tape each wire and label with the letter of the terminal designation to make reconnection easier. If there are only two wires, labeling is not necessary. IMPORTANT thermostat cannot be used on your system. EXCEPTION: The CT1502 thermostat can be used on a system with B or 0 terminals. One or two extra wires? If you are replacing a Honeywell Chronotherm thermostat, you may find one or two wires that go to the clock terminals on the Chronotherm thermostat wiring wallplate. Do not allow them to touch, or you may damage your transformer. Disconnect the wires, and wrap them separately, using electrical tape. Do not wrap them together. Place the wires where they will not interfere with the operation of the new thermostat. Record the colors and terminal designation labels of the rest of the wires. 3 69-0273-9 ~ b b E 10 “4 If mounting on outlet box, mount as shown base will be level. Drill 3/16 in. holes and gently on appropriate figure. tap anchors into holes until flush with the wall. If mounting on wall, hold wallplate or sub- Position wallplate or subbase as shown in .’ .. base in position and mark holes on wall. appropriate figure, and loosely insert the Use spirit level to make sure wallplate or sub-screws supplied. 4 nnutighten screws. .. SPIRIT LEVEL ‘‘wm WALLPLATE SCREWS “2) 5 69-0273-9 WIRE WALLPLATE OR SUBBASE MOTE: All wiring must comply with local electrical codes and ordinances. Refer to illustration and strip thermostat wire 0.: insulation as necessary. F"rn ~STFldilRUT . -. .-. . .. . . CONNECTION- - FOR WRAPAROUND BARRIER CONNECTION- STRlP7116In. [11 mml For CT1500 heating-only 0 , II A POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTIONAS REOUIRED. Wlll Connect either wire to R terminal and the 0 0 other wire to W terminal. Firmly tighten screws. Push excess wire back into wall, and plug hole In wall with nonflammable Insulation to prevent drafts from affecting thermostat operation. 6 For CT1501 heating/cooling For CT1501 heating/cooling 4-WIRE SYSTEM the subbase. U U 5-WIRE SYSTEM I I I I I I RELAY OR CONTACTOR VALVE COIL I I APOWER SUPPLY...