Honeywell Thermostat CTL500 User Manual - Honeywell Thermostat Manual Download

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Sunday, April 5, 2020

Honeywell Thermostat CTL500 User Manual

CTl500, CT1501, CT1502, CT1503 ELECTROMECHANICAL FUEL SAVER THERMOSTAT AND WALLPLATEEUBBASE CTI500-24 V gas or oil heat. CTl501-24 V gas or oil heat/cool. CTI502--24 V central electric heat/cool or single stage heat pump without auxiliary heat. CTI 503-750 millivolt heat. NOT FOR USE ON LINE VOLTAGE (120 V) SYSTEMS. INSTALLATION MANUAL Any questions concerning the application of this 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 I-Front of thermostat. HlGH TEMPERATURE CONTROL LEVER (RED) LOW TEMPERATURE CONTROL LEVER (BLUE)- 1 Ill-Cover removed. 24 HOUR PROGRAM DIAL 'THERMOSTAT THERMOMETER 1 COVER 11.711 Il-Hinged cover lifted. .. .~ . ,..... . ANTICIPATOR "--- PROGRAM PINS A HIND THERMOSTAT. CAPTIVE MOUNTING HELD ON BY TWO CAPTIVE SCREWS.) k PREPARATION ((1"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 MASKING TAPE. IF NEEDED TO LABELWIRESASTHEYARE OISCONNECTED FROM OLD 0THERMOSTAT If wallplate or subbase is mounted on a vertical does not work, contact your local heatingfair outlet box (check old installation), order conditioning dealer. 196393A Cover Plate and Adapter Ring (see appro- priate figure under step 4). Call Honeywell NOTE: Do not operate cooling system if outdoor Consumer Services (1 -800-468-1 502) for ordering temperature is below 50' F [looC]. information, Monday-Friday, 7:30 a.m. to 500 p.m. Central time. Turn off power to the heatingfcooling System at the main fuse panel. Test to make certain that your heating and cooling systems are working. If either one F UNPACK THERMOSTAT 0 THERMOIIAT Remove and discard shipping wrap. Save package of screws, instructions and receipt i20 .. Remove thermostat cover by lifting up from the bottom. Carefully remove insert protecting switch bulbs. IFT 0 OVER Loosen two captive mounting screws, and 0separate wallplate or subbase from back of thermostat base. SCREWS 12.612 2 F REMOVE OLD THERMOSTAT 0 “3Remove cover of old thermostat. If the cover Disconnect wires from old thermostat wall- 0doesn’t snap off when pulled firmly from the plate or subbase. Tape each wire and label bottom, check for a screw that locks the cover on. with the letter of the terminal designation to make Before removing the old thermostat from the reconnection easier. If there are only two wires, 0wall, look at it carefully to locate the heat labeling is not necessary. anticipator adjustment mechanism. (See illustration to help you recognize the heat anticipator.) Make a IMPORTANT note herellofthat anticipator setting for future reference. If your thermostat does not have a thermostat cannot be used on your system. heat anticipator, do not be concerned. Move on to EXCEPTION: The CT1502 thermostat can be next paragraph. used on a system with B or 0 terminals. Loosen screws holding thermostat to wallplate, subbase or wall and lift away. 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 MOUNT WALLPLATE OR SUBBASE 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 nCarefully level the wallplate or subbase and firmly u tighten screws. .. SPIRIT LEVEL ‘‘wm WALLPLATE SCREWS “2) 5 69-0273-9 WIRE WALLPLATE OR SUBBASE MOTE: All wiring must comply with local electrical For CT1500 heating-only codes and ordinances. Refer to illustration and strip thermostat wire 0.insulation: as necessary. 0 , .F"rn -. .~STFldilRUT - . . .. . . CONNECTION- II FOR WRAPAROUND BARRIER CONNECTION- STRlP7116In. [11 mml - A POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REOUIRED. Wlll Connect either wire to R terminal and the other wire to W terminal. Firmly tighten screws. Push excess wire back into wall, and plug hole In wall with nonflammable Insulation to prevent0 drafts from affecting thermostat operation. 6 For CT1501 heating/cooling Connect the wires to matching terminals on 4-WIRE SYSTEM the subbase. U U 5-WIRE SYSTEM I I I I I I RELAY OR CONTACTOR VALVE COIL I I A POWER SUPPLY. PROVIDE DISCONNECT MEANSAND OVERLOAD PROTECTION AS REOUIRED. A INSTALL JUMPER BETWEEN RC AND RH. Ma" 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND M2&13 NOTE: If there are four wires, connect wire If the labels do not agree with the terminal marked R to terminal RH and add a jumper designations on your new subbase wire to connect to RC. If RC is left uncon- Refer to Table 2 on page 8 nected, the air conditioner will not turn on. The Determine correct hookup from the listed 4-wire drawing on this page shows how to jumper control function and the equipment control RC to RH. Strip the insulation off the wire circuit where if connects to the terminals. Firmly tighten screws. 7 69-0273-9 ~ ~ For CT1502 heatinglcooling OLDSUBBASE TERMINAL CONTROL FUNCTION R or RH Heating transformer power to control circuit CENTRAL ELECTRIC SYSTEM RC Cooling transformer power to I1 control circuit. I-II U W Heating relay or valve. Y Cooling relay. G Fan relay. B Heating changeover valve or damper control circuit. 0 Cooling changeover valve or damper control circuit. P Heat pump compressor control CONTACTOR RELAY OR VALVE COIL Push excess wire back into wall. and plug hole in wall with nonflammable insulation to prevent drafts from affecting thermostat operation. A POWER SUPPLY. PROVIDE DISCONNECT MEANSAND OVERLOAD PROTECTION REOUIRED. AS M%1* 8 CT1502, continued For CT1503 750-millivolt heating SINGLE STAGE HEAT PUMP Connect either wire to R terminal and the (WITHOUT AUXILIARY HEAT) SYSTEM other wire to W terminal. Firmly tighten I- -1 screws. Push excess wire back into wall, and plug hole in wall with nonflammable insulation to prevent0 drafts from affecting thermostat operation. 0 0 / 1 L' (HOT)+ u+ A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOPD PROTECTION AS REQUIRED CQZOOA OR IFCOMPRESSOR ISCONNECTEDTO OLDTHERMOSTATS 0313A A "YTERMINALWITH A JUMPERTO"W, USE NEW THERMOSTATS THERMOPILE "PTERMINALFORCOMPRESSOR. IFOLOTHERMOSTATHAS M24IB ONE WIRETO"Y"AND0NE TO "W. USt'Y AND "W'ON NEW THERMOSTAT, DO NOT USE"P. IMPORTaNT- IF OLD THERMOSTAT USES A W2 (AUXILIARY OR EMERGENCY HEAT) TERMINAL, THIS THERMOSTAT MAY NOT BE USED THIS THERMOSTAT IS NOT DESIGNED TO CONTROL AUXILIARY HEAT A SOMEHEATPUMPSUSE"B"INSTEAD0F"O' M211511 Connect the wires to matching terminals on 0the subbase. Firmly tighten screws. Push excess wire back into wall, and plug 0hole in wall with nonflammable insulation to prevent drafts from affecting thermostat operation. 9 69-0273-9 - L MOUNT THE THERMOSTAT or subbase as shown in illustration. Do NOT cycle heating system until Step 7 is completed. 10 SET HEAT ANTICIPATOR LEVER - NOTE: Not applicable on CT1503 millivolt model. gas valve a relay or burner controi box, Aquastat controller or zone valve with the thermostat wires The thermostat's adjustable heat anticipator connected to it These controls are usually located must be correctly set to accurately control behind the furnace cover See next illustration the0 on-time length of the system. An incorrect setting can result in room temperature swings or burn out the anticipator and void the thermostat If current rating is still unavailable, proceed as warranty. follows: Make sure you have the current draw (antici- Coqnect the probes of an ac ammeter (0 to pator setting) for your system. This is the number 2.0 A, for example) between R (or RH) and you wrote in the box in Step 3 If you were unable W terminals on the wallplate or subbase. to find the current draw for Step 3, this information Let the system operate through the ammeter can be found printed on the primary control at the for at least one minute before taklng reading. furnace or boiler. The primary control is usually a Record the reading here On the CT1500. CT1501 or CT1502 thermo- stats, move the heat anticipator indicator to match the number you recorded in Step 4 or found on the primary control as shown above, or INSTALL as recorded in Step 7 TIMER F BATTERIES 0“8 teries in thermostat as shown. Once a year, or when batteries are dead, replace with two new AAA alkaline batteries. Other types of batteries are more likely to leak, which could damage the timer. The thermostat itself will operate without batteries, but will not operate as a fuel saver. \ANTICIPATOR 11,7164\ SETTING LEVER 12 SET TIMER Adjust the timer by moving the knob in clockwise direction. Do NOT reverse0 the knob. When time is correctly set, the Time Indicator Arrow (see illustration) must point to the correct time and the corresponding daytime (lighr) or nighitime (dark) portion of the program dial. 13 69-0273-9 I- ATTACH THERMOSTAT COVER 0“10 Make sure the packing inserts in the thermo- stat base have been removed. as explained in0 step 3 Place the two tabs on upper edge of cover 0into mounting slots in thermostat base Swing cover downward until it engages 0catch at bottom of base .. 14 CHECK OUT THERMOSTAT OPERATION AND SET TEMPERATURE CONTROL cnb LEVERS The two levers on top of the thermostat LOW TEMP.lBL"E MARK1 il1 SET LEVER control the low and high temperature for energy savings and comfort control, as shown in illustration. 1 Do NOT check operation by shorting across terminals of relay or valve coil; this will burn out the thermostat heat anticipator, which will void the warranty. I 15 69-0273-9 ~ Heating-only System IMPORTANT 0 Turn on power to the furnace. the cooling system if outdoor temperature is Push both temperaturecontrol leverstogetherat 0 below 50°F [lO°C]. Refer to manufacturer's least 5" F [3" C] above room temperature. The recommendations. heat should comeon.Thefan will startwhen the furnace heats up. 0 Move both levers5" F [3"C] below room temper- 0 Place the system switch lever at COOL and the ature. The heat should shut off. fan switch lever at AUTO. 0 Operate the entire heating system for at least 0 Push both temperature control levers together at one complete cycle. least 5O F [3" C] below room temperature. The cooling equipment should operate, and the fan IMPORTANT will start. Allow for any time delay that may be If thermostat fails any test, refer to trouble- built into the compressor control circuit. shooting guide in owner's manual. 0 Movebothleverstogether5°F[30C]aboveroom temperature. The cooling equipment should shut off. 0 Place the fan switch at ON. The fan should run Heating/Cooling System continuously with the system switch in any 0 Turn on power to the furnace and cooling position. system. 0 Place the system switch at OFF. Move both 0 Place the system switch lever at HEAT and the temperature: levers to various positions. The fan switch lever at AUTO. heating andcooling systems should not operate. 0 Push both temperaturecontrol leverstogetherat 0 Operate the entire system for at least one least 5'F [3"C] above room temperature. The complete cycle with the system switch at COOL heat should comeon.Thefan will startwhen the and one complete cycle with the switch at HEAT. furnace heats up. On the CT1502, the fan will start immediately. IMPORTANT 0 Moveboth leverstogether5"F[3"C]belowroom If thermostat fails any test, refer to trouble- temperature. The heat should shut off. The fan shooting guide in owner's manual. will stop when the furnace cools. 0 After checkout, reset both temperature levers to 0 Setthebluelevertothetemperature you wantfor desired temperatures. normal comfort periods. For heating season: REFER TO THE OWNERS MANUAL FORM 69- [? Move the blue lever to the energy savings 0333FOR OPERATING AND PROGRAMMING temperature you want when you are sleeping or INSTRUCTIONS. your home is not occupied. 0 Setthered levertothetemperature you want for normal comfort periods. IF YOU HAVE OUESTIONS REGARDING THE INSTALLATION OF THE HONEYWELL FUEL For cooling season: SAVER THERMOSTAT, PLEASE CALL OUR TOLL- 0 Move the red lever to the energy savings FREE CONSUMER SERVICES GROUP NUMBER temperature you want when you are sleeping or AT 1-800-468-1502, MONDAY-FRIDAY, 7:30 AM - your home is not occupied. 5:OO PM CENTRALTIME. 17 69-0273-9 Honeywell Residential and Residential and Helping You Conlrol Your World Building Controls Division Building Controls Division Honeywell Inc. Honeywell Limited-Honeywell Lunltke 1985 Douglas Drive No. 740 Ellesmere Road Golden Valley, MN 55422 Scarborough, Ontario M1P 2VY

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