Owner's Manual
Page 1
CTl500, CT1501, CT1502, CT1503 ELECTROMECHANICAL FUEL SAVER THERMOSTAT AND WALLPLATEEUBBASE CTI500-24 V gas or oil heat. NOT FOR USE ON LINE VOLTAGE (120 V) SYSTEMS. INSTALLATION MANUAL Any questionsconcerningthe applicationofthis thermostat should be directedto HoneywellConsumer Services at 1-800-468-1502, Monday-Friday 7 3 0 a.m.-500 pm., Central time. Rev. 7-91 aHoneywell Inc. 1991 Form Number 69-0273-9 S.M. CTI502--24 V central electric heat/cool or single stage heat pump without auxiliary heat. CTI503-750 millivolt heat. CTl501-24 V gas or oil heat/cool.
CTl500, CT1501, CT1502, CT1503 ELECTROMECHANICAL FUEL SAVER THERMOSTAT AND WALLPLATEEUBBASE CTI500-24 V gas or oil heat. NOT FOR USE ON LINE VOLTAGE (120 V) SYSTEMS. INSTALLATION MANUAL Any questionsconcerningthe applicationofthis thermostat should be directedto HoneywellConsumer Services at 1-800-468-1502, Monday-Friday 7 3 0 a.m.-500 pm., Central time. Rev. 7-91 aHoneywell Inc. 1991 Form Number 69-0273-9 S.M. CTI502--24 V central electric heat/cool or single stage heat pump without auxiliary heat. CTI503-750 millivolt heat. CTl501-24 V gas or oil heat/cool.
Owner's Manual
Page 2
THERMOSTAT FEATURES I-Front of thermostat. HlGH TEMPERATURE 1 CONTROL LEVER (RED) LOW TEMPERATURE CONTROL LEVER (BLUE)- H E L D O N BY TWO CAPTIVE SCREWS.) PROGRAM PINS A "--- CAPTIVE MOUNTING ANTICIPATOR HIND THERMOSTAT. Ill-Cover removed. 24 HOUR PROGRAM DIAL 'THERMOSTAT COVER THERMOMETER 1 11.711 Il-Hinged cover lifted. .. .~ . ,..... .
THERMOSTAT FEATURES I-Front of thermostat. HlGH TEMPERATURE 1 CONTROL LEVER (RED) LOW TEMPERATURE CONTROL LEVER (BLUE)- H E L D O N BY TWO CAPTIVE SCREWS.) PROGRAM PINS A "--- CAPTIVE MOUNTING ANTICIPATOR HIND THERMOSTAT. Ill-Cover removed. 24 HOUR PROGRAM DIAL 'THERMOSTAT COVER THERMOMETER 1 11.711 Il-Hinged cover lifted. .. .~ . ,..... .
Owner's Manual
Page 3
... oil heating/cooling system. or 5-wire, 15 to 30 volt control circuit For gas or oil heating system. CT1502 CT1503 Q682B1227 Subbase 199986D Wailp ate 4-wire, 15 to control the fan in package to assure operation. 0Assemble tools required,as illustrated 0MASKING TAPE. For single stage heat pump or central electric heatinglcooling systems that require the thermostat to 30 volt control circuit. IF NEEDED TO LABELWIRESASTHEYARE OISCONNECTED FROM OLD THERMOSTAT...
... oil heating/cooling system. or 5-wire, 15 to 30 volt control circuit For gas or oil heating system. CT1502 CT1503 Q682B1227 Subbase 199986D Wailp ate 4-wire, 15 to control the fan in package to assure operation. 0Assemble tools required,as illustrated 0MASKING TAPE. For single stage heat pump or central electric heatinglcooling systems that require the thermostat to 30 volt control circuit. IF NEEDED TO LABELWIRESASTHEYARE OISCONNECTED FROM OLD THERMOSTAT...
Owner's Manual
Page 4
... time. THERMOIIAT .. If either one does not work, contact your heating and cooling systems are working. i2 F UNPACK THERMOSTAT 0 0Remove and discard shipping wrap. Save package of screws, instructions and receipt Remove thermostat cover by lifting up from the bottom. 0Carefully remove insert protecting switch bulbs. 0Loosen two captive mounting screws, and separate wallplate or subbase from back of thermostat base. Call Honeywell Consumer Services...
... time. THERMOIIAT .. If either one does not work, contact your heating and cooling systems are working. i2 F UNPACK THERMOSTAT 0 0Remove and discard shipping wrap. Save package of screws, instructions and receipt Remove thermostat cover by lifting up from the bottom. 0Carefully remove insert protecting switch bulbs. 0Loosen two captive mounting screws, and separate wallplate or subbase from back of thermostat base. Call Honeywell Consumer Services...
Owner's Manual
Page 5
..., using electrical tape. Disconnect wires from the wall, look at it carefully to locate the heat anticipator adjustment mechanism. (See illustration to next paragraph. Record the colors and terminal designation labels of the rest of old thermostat. If the cover doesn't snap off when pulled firmly from the bottom, check for a screw that locks the cover on the Chronotherm thermostat wiring wallplate. If there are replacing a Honeywell...
..., using electrical tape. Disconnect wires from the wall, look at it carefully to locate the heat anticipator adjustment mechanism. (See illustration to next paragraph. Record the colors and terminal designation labels of the rest of old thermostat. If the cover doesn't snap off when pulled firmly from the bottom, check for a screw that locks the cover on the Chronotherm thermostat wiring wallplate. If there are replacing a Honeywell...
Owner's Manual
Page 6
base will be level. Drill 3/16 in appropriate figure, and loosely insert the screws supplied. 4 bIfamseoui.nnti'pnogsoi.tn.ionwaalln, dhomldarwkahlloplleasteoonr subwall. Position wallplate or subbase as shown on appropriate figure. "4 b MOUNT WALLPLATE OR SUBBASE 10 If mounting on outlet box, mount as shown in . Use spirit level to make sure wallplate or sub- holes and gently tap anchors into holes until flush with the wall.
base will be level. Drill 3/16 in appropriate figure, and loosely insert the screws supplied. 4 bIfamseoui.nnti'pnogsoi.tn.ionwaalln, dhomldarwkahlloplleasteoonr subwall. Position wallplate or subbase as shown on appropriate figure. "4 b MOUNT WALLPLATE OR SUBBASE 10 If mounting on outlet box, mount as shown in . Use spirit level to make sure wallplate or sub- holes and gently tap anchors into holes until flush with the wall.
Owner's Manual
Page 8
F. "-r.n.~S.T.F..ldilR.U.T CONNECTION- Wlll Connect either wire to R terminal and the other wire to prevent drafts from affecting thermostat operation. 6 Firmly tighten screws. 0Push excess wire back into wall, and plug hole In wall with local electrical codes and ordinances. For CT1500 heating-only 0 , FOR WRAPAROUND CONNECTIONSTRlP7116In. [11 mml BARRIER I I A POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTIONAS REOUIRED. WIRE WALLPLATE OR SUBBASE 0 .: -MOTE:All wiring must comply with...
F. "-r.n.~S.T.F..ldilR.U.T CONNECTION- Wlll Connect either wire to R terminal and the other wire to prevent drafts from affecting thermostat operation. 6 Firmly tighten screws. 0Push excess wire back into wall, and plug hole In wall with local electrical codes and ordinances. For CT1500 heating-only 0 , FOR WRAPAROUND CONNECTIONSTRlP7116In. [11 mml BARRIER I I A POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTIONAS REOUIRED. WIRE WALLPLATE OR SUBBASE 0 .: -MOTE:All wiring must comply with...
Owner's Manual
Page 9
... RC is left unconnected, the air conditioner will not turn on this page shows how to jumper RC to RH. Firmly tighten screws. The 4-wire drawing on . A POWER SUPPLY. PROVIDE DISCONNECT MEANSAND A OVERLOAD PROTECTIONAS REOUIRED. For CT1501 heating/cooling Connect the wires to matching terminals on page 8 Determine correct hookup from the listed control function and the equipment control circuit 7 69-0273-9 ~ ~ INSTALLJUMPER BETWEEN...
... RC is left unconnected, the air conditioner will not turn on this page shows how to jumper RC to RH. Firmly tighten screws. The 4-wire drawing on . A POWER SUPPLY. PROVIDE DISCONNECT MEANSAND A OVERLOAD PROTECTIONAS REOUIRED. For CT1501 heating/cooling Connect the wires to matching terminals on page 8 Determine correct hookup from the listed control function and the equipment control circuit 7 69-0273-9 ~ ~ INSTALLJUMPER BETWEEN...
Owner's Manual
Page 10
OLDSUBBASE TERMINAL CONTROL FUNCTION R or RH Heating transformer power to control circuit RC Cooling transformer power to prevent drafts from affecting thermostat operation. P Heat pump compressor control Push excess wire back into wall. and plug hole in wall with nonflammable insulation to control circuit. For CT1502 heatinglcooling CENTRAL ELECTRIC SYSTEM I 1 II U CONTACTOR RELAY OR VALVE COIL A POWER SUPPLY. M%1* 8 B Heating changeover valve or damper control circuit. 0 Cooling changeover valve or damper control circuit. PROVIDE DISCONNECT MEANSAND...
OLDSUBBASE TERMINAL CONTROL FUNCTION R or RH Heating transformer power to control circuit RC Cooling transformer power to prevent drafts from affecting thermostat operation. P Heat pump compressor control Push excess wire back into wall. and plug hole in wall with nonflammable insulation to control circuit. For CT1502 heatinglcooling CENTRAL ELECTRIC SYSTEM I 1 II U CONTACTOR RELAY OR VALVE COIL A POWER SUPPLY. M%1* 8 B Heating changeover valve or damper control circuit. 0 Cooling changeover valve or damper control circuit. PROVIDE DISCONNECT MEANSAND...
Owner's Manual
Page 11
... 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 0Connect the wires to W terminal. Firmly tighten screws. 0Push excess wire back into wall, and plug hole in wall with nonflammable insulation to prevent drafts from affecting thermostat operation. 0 + L' (HOT) u+ A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOPD PROTECTION AS REQUIRED A IFCOMPRESSOR ISCONNECTEDTO OLDTHERMOSTATS "YTERMINALWITH A JUMPERTO"W, USE NEW THERMOSTATS...
... 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 0Connect the wires to W terminal. Firmly tighten screws. 0Push excess wire back into wall, and plug hole in wall with nonflammable insulation to prevent drafts from affecting thermostat operation. 0 + L' (HOT) u+ A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOPD PROTECTION AS REQUIRED A IFCOMPRESSOR ISCONNECTEDTO OLDTHERMOSTATS "YTERMINALWITH A JUMPERTO"W, USE NEW THERMOSTATS...
Owner's Manual
Page 12
Do NOT cycle heating system until Step 7 is completed. 10 L MOUNT THE THERMOSTAT or subbase as shown in illustration. -
Do NOT cycle heating system until Step 7 is completed. 10 L MOUNT THE THERMOSTAT or subbase as shown in illustration. -
Owner's Manual
Page 13
... on CT1503 millivolt model. 0The thermostat's adjustable heat anticipator must be found printed on the primary control at least one minute before taklng reading. This i s the number you wrote in the box in room temperature swings or burn out the anticipator and void the thermostat warranty. Make... the current draw (anticipator setting) for your system. The primary control is usually a gas valve a relay or burner controi box, Aquastat controller or zone valve with the thermostat wires connected to it These controls are usually located behind the furnace cover See next illustration If...
... on CT1503 millivolt model. 0The thermostat's adjustable heat anticipator must be found printed on the primary control at least one minute before taklng reading. This i s the number you wrote in the box in room temperature swings or burn out the anticipator and void the thermostat warranty. Make... the current draw (anticipator setting) for your system. The primary control is usually a gas valve a relay or burner controi box, Aquastat controller or zone valve with the thermostat wires connected to it These controls are usually located behind the furnace cover See next illustration If...
Owner's Manual
Page 14
CT1501 or CT1502 thermostats, move the heat anticipator indicator to leak, which could damage the timer. Once a year, or when batteries are more likely to match the number you recorded in Step 4 or found on the primary control as shown above, or as recorded in Step 7 "8INSTALL F TIMER BATTERIES 0 \ANTICIPATOR SETTING LEVER 11,7164\ teries in thermostat as a fuel saver. 12 On the CT1500. Other types of batteries are dead, replace with two new AAA alkaline batteries. The thermostat itself will operate without batteries, but will not operate as shown.
CT1501 or CT1502 thermostats, move the heat anticipator indicator to leak, which could damage the timer. Once a year, or when batteries are more likely to match the number you recorded in Step 4 or found on the primary control as shown above, or as recorded in Step 7 "8INSTALL F TIMER BATTERIES 0 \ANTICIPATOR SETTING LEVER 11,7164\ teries in thermostat as a fuel saver. 12 On the CT1500. Other types of batteries are dead, replace with two new AAA alkaline batteries. The thermostat itself will operate without batteries, but will not operate as shown.
Owner's Manual
Page 15
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 SET TIMER 0Adjust the timer by moving the knob in clockwise direction. Do NOT reverse 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 SET TIMER 0Adjust the timer by moving the knob in clockwise direction. Do NOT reverse the knob.
Owner's Manual
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"10 0I- as explained in step 3 0Place the two tabs on upper edge of cover into mounting slots in the thermostat base have been removed. ATTACH THERMOSTAT COVER 0Make sure the packing inserts in thermostat base 0Swing cover downward until it engages catch at bottom of base .. 14
"10 0I- as explained in step 3 0Place the two tabs on upper edge of cover into mounting slots in the thermostat base have been removed. ATTACH THERMOSTAT COVER 0Make sure the packing inserts in thermostat base 0Swing cover downward until it engages catch at bottom of base .. 14
Owner's Manual
Page 17
I 15 69-0273-9 ~ LOW TEMP.lBL"E MARK1 SET LEVER 1 Do NOT check operation by shorting across terminals of the thermostat control the low and high temperature for energy savings and comfort control, as shown in illustration. cin l1CHECK OUT THERMOSTAT OPERATION AND SET b TEMPERATURE CONTROL LEVERS The two levers on top of relay or valve coil; this will burn out the thermostat heat anticipator, which will void the warranty.
I 15 69-0273-9 ~ LOW TEMP.lBL"E MARK1 SET LEVER 1 Do NOT check operation by shorting across terminals of the thermostat control the low and high temperature for energy savings and comfort control, as shown in illustration. cin l1CHECK OUT THERMOSTAT OPERATION AND SET b TEMPERATURE CONTROL LEVERS The two levers on top of relay or valve coil; this will burn out the thermostat heat anticipator, which will void the warranty.
Owner's Manual
Page 18
... the fan switch lever at AUTO. 0 Push both temperature: levers to troubleshooting guide in owner's manual. IMPORTANT If thermostat fails any test, refer to various positions. The heat should operate, and the fan will start . The cooling equipment should shut off. 0 Operate the entire heating system for at least one complete cycle with the system switch at least 5 O F [3" C] below 50°F [lO°C]. Refer to troubleshooting guide in any time...
... the fan switch lever at AUTO. 0 Push both temperature: levers to troubleshooting guide in owner's manual. IMPORTANT If thermostat fails any test, refer to various positions. The heat should operate, and the fan will start . The cooling equipment should shut off. 0 Operate the entire heating system for at least one complete cycle with the system switch at least 5 O F [3" C] below 50°F [lO°C]. Refer to troubleshooting guide in any time...
Owner's Manual
Page 19
... sleeping or your home is not occupied. 0 Setthered levertothetemperature you wantfor normal comfort periods. REFER TO THE OWNERS MANUAL FORM 690333FOR OPERATING AND PROGRAMMING INSTRUCTIONS. For heating season: [? For cooling season: 0 Move the red lever to desired temperatures. 0 After checkout, reset both temperature levers to the energy savings temperature you want for normal comfort periods. IF YOU HAVE OUESTIONS REGARDING THE INSTALLATION OF THE HONEYWELL FUEL SAVER THERMOSTAT...
... sleeping or your home is not occupied. 0 Setthered levertothetemperature you wantfor normal comfort periods. REFER TO THE OWNERS MANUAL FORM 690333FOR OPERATING AND PROGRAMMING INSTRUCTIONS. For heating season: [? For cooling season: 0 Move the red lever to desired temperatures. 0 After checkout, reset both temperature levers to the energy savings temperature you want for normal comfort periods. IF YOU HAVE OUESTIONS REGARDING THE INSTALLATION OF THE HONEYWELL FUEL SAVER THERMOSTAT...