Owner's Manual
Page 1
CTl500, CT1501, CT1502, CT1503 ELECTROMECHANICAL FUEL SAVER THERMOSTAT AND WALLPLATEEUBBASE CTI500-24 V gas or oil heat. CTI503-750 millivolt 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. CTl501-24 V gas or oil heat/cool. Rev. 7-91 aHoneywell Inc. 1991 Form Number 69-0273-9 CTI502--24 V central electric heat/cool or single stage heat pump without auxiliary heat. S.M.
CTl500, CT1501, CT1502, CT1503 ELECTROMECHANICAL FUEL SAVER THERMOSTAT AND WALLPLATEEUBBASE CTI500-24 V gas or oil heat. CTI503-750 millivolt 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. CTl501-24 V gas or oil heat/cool. Rev. 7-91 aHoneywell Inc. 1991 Form Number 69-0273-9 CTI502--24 V central electric heat/cool or single stage heat pump without auxiliary heat. S.M.
Owner's Manual
Page 2
Ill-Cover removed. 24 HOUR PROGRAM DIAL 'THERMOSTAT COVER THERMOMETER 1 11.711 Il-Hinged cover lifted. .. .~ . ,..... . PROGRAM PINS A "--- H E L D O N BY TWO CAPTIVE SCREWS.) CAPTIVE MOUNTING ANTICIPATOR HIND THERMOSTAT. HlGH TEMPERATURE 1 CONTROL LEVER (RED) LOW TEMPERATURE CONTROL LEVER (BLUE)- THERMOSTAT FEATURES I-Front of thermostat.
Ill-Cover removed. 24 HOUR PROGRAM DIAL 'THERMOSTAT COVER THERMOMETER 1 11.711 Il-Hinged cover lifted. .. .~ . ,..... . PROGRAM PINS A "--- H E L D O N BY TWO CAPTIVE SCREWS.) CAPTIVE MOUNTING ANTICIPATOR HIND THERMOSTAT. HlGH TEMPERATURE 1 CONTROL LEVER (RED) LOW TEMPERATURE CONTROL LEVER (BLUE)- THERMOSTAT FEATURES I-Front of thermostat.
Owner's Manual
Page 3
... single-stage heating system. or 5-wire, 15 to 30 volt control circuit For gas or oil heating system. "1k PREPARATION ((1 THERMOSTAT MODEL SUBBASE OR WALLPLATE INCLUDED FOR USE WITH CT1500 199986C Wallplate 2-wire, 15 to 30 volt control circuit For gas or oil heating/cooling system. CT1502 CT1503 Q682B1227 Subbase 199986D Wailp ate 4-wire, 15 to assure operation. 0Assemble tools required,as illustrated 0MASKING TAPE. IF NEEDED TO...
... single-stage heating system. or 5-wire, 15 to 30 volt control circuit For gas or oil heating system. "1k PREPARATION ((1 THERMOSTAT MODEL SUBBASE OR WALLPLATE INCLUDED FOR USE WITH CT1500 199986C Wallplate 2-wire, 15 to 30 volt control circuit For gas or oil heating/cooling system. CT1502 CT1503 Q682B1227 Subbase 199986D Wailp ate 4-wire, 15 to assure operation. 0Assemble tools required,as illustrated 0MASKING TAPE. IF NEEDED TO...
Owner's Manual
Page 4
... are working. NOTE: Do not operate cooling system if outdoor temperature is mounted on a vertical outlet box (check old installation), order 196393A Cover Plate and Adapter Ring (see appropriate figure under step 4). Ifwallplate or subbase is below 50' F [looC]. Central time. THERMOIIAT .. i2 F UNPACK THERMOSTAT 0 0Remove and discard shipping wrap. to the heatingfcooling System at the main fuse panel. Call Honeywell Consumer Services...
... are working. NOTE: Do not operate cooling system if outdoor temperature is mounted on a vertical outlet box (check old installation), order 196393A Cover Plate and Adapter Ring (see appropriate figure under step 4). Ifwallplate or subbase is below 50' F [looC]. Central time. THERMOIIAT .. i2 F UNPACK THERMOSTAT 0 0Remove and discard shipping wrap. to the heatingfcooling System at the main fuse panel. Call Honeywell Consumer Services...
Owner's Manual
Page 5
... there are replacing a Honeywell Chronotherm thermostat,you may find one or two wires that locks the cover on the Chronotherm thermostat wiring wallplate. Disconnect wires from the wall, look at it carefully to locate the heat anticipator adjustment mechanism. (See illustration to touch, or you may damage your transformer. EXCEPTION: The CT1502 thermostat can be used on to the clock terminals on . 0Before removing the old thermostat from old thermostat wallplate or...
... there are replacing a Honeywell Chronotherm thermostat,you may find one or two wires that locks the cover on the Chronotherm thermostat wiring wallplate. Disconnect wires from the wall, look at it carefully to locate the heat anticipator adjustment mechanism. (See illustration to touch, or you may damage your transformer. EXCEPTION: The CT1502 thermostat can be used on to the clock terminals on . 0Before removing the old thermostat from old thermostat wallplate or...
Owner's Manual
Page 6
Drill 3/16 in appropriate figure, and loosely insert the screws supplied. 4 holes and gently tap anchors into holes until flush with the wall. bIfamseoui.nnti'pnogsoi.tn.ionwaalln, dhomldarwkahlloplleasteoonr subwall. Position wallplate or subbase as shown on outlet box, mount as shown in . "4 b MOUNT WALLPLATE OR SUBBASE 10 If mounting on appropriate figure. base will be level. Use spirit level to make sure wallplate or sub-
Drill 3/16 in appropriate figure, and loosely insert the screws supplied. 4 holes and gently tap anchors into holes until flush with the wall. bIfamseoui.nnti'pnogsoi.tn.ionwaalln, dhomldarwkahlloplleasteoonr subwall. Position wallplate or subbase as shown on outlet box, mount as shown in . "4 b MOUNT WALLPLATE OR SUBBASE 10 If mounting on appropriate figure. base will be level. Use spirit level to make sure wallplate or sub-
Owner's Manual
Page 8
... to W terminal. "-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. Refer to illustration and strip thermostat wire insulation as...
... to W terminal. "-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. Refer to illustration and strip thermostat wire insulation as...
Owner's Manual
Page 9
.... Firmly tighten screws. The 4-wire drawing on page 8 Determine correct hookup from the listed control function and the equipment control circuit 7 69-0273-9 ~ ~ A POWER SUPPLY. INSTALLJUMPER BETWEEN RC AND RH. If RC is left unconnected, the air conditioner will not turn on the subbase. 5-WIRE SYSTEM I 4-WIRE SYSTEM U U I I RELAY OR VALVE COIL I I CONTACTOR I I I 1 POWER SUPPLY. For CT1501 heating/cooling Connect the wires to matching terminals on .
.... Firmly tighten screws. The 4-wire drawing on page 8 Determine correct hookup from the listed control function and the equipment control circuit 7 69-0273-9 ~ ~ A POWER SUPPLY. INSTALLJUMPER BETWEEN RC AND RH. If RC is left unconnected, the air conditioner will not turn on the subbase. 5-WIRE SYSTEM I 4-WIRE SYSTEM U U I I RELAY OR VALVE COIL I I CONTACTOR I I I 1 POWER SUPPLY. For CT1501 heating/cooling Connect the wires to matching terminals on .
Owner's Manual
Page 10
... OVERLOAD PROTECTION AS REOUIRED. G Fan relay. W Heating relay or valve. I - M%1* 8 For CT1502 heatinglcooling CENTRAL ELECTRIC SYSTEM I 1 II U CONTACTOR RELAY OR VALVE COIL A POWER SUPPLY. P Heat pump compressor control Push excess wire back into wall. OLDSUBBASE TERMINAL CONTROL FUNCTION R or RH Heating transformer power to control circuit RC Cooling transformer power to prevent drafts from affecting thermostat operation. B Heating changeover valve or damper control circuit. 0 Cooling changeover valve or damper control circuit. and plug hole...
... OVERLOAD PROTECTION AS REOUIRED. G Fan relay. W Heating relay or valve. I - M%1* 8 For CT1502 heatinglcooling CENTRAL ELECTRIC SYSTEM I 1 II U CONTACTOR RELAY OR VALVE COIL A POWER SUPPLY. P Heat pump compressor control Push excess wire back into wall. OLDSUBBASE TERMINAL CONTROL FUNCTION R or RH Heating transformer power to control circuit RC Cooling transformer power to prevent drafts from affecting thermostat operation. B Heating changeover valve or damper control circuit. 0 Cooling changeover valve or damper control circuit. and plug hole...
Owner's Manual
Page 11
.... 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 "PTERMINALFORCOMPRESSOR. IMPORTaNT- U S t ' Y AND " W ' O N NEW THERMOSTAT, DO NOT U S E " P . 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...
.... 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 "PTERMINALFORCOMPRESSOR. IMPORTaNT- U S t ' Y AND " W ' O N NEW THERMOSTAT, DO NOT U S E " P . 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...
Owner's Manual
Page 12
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. - Do NOT cycle heating system until Step 7 is completed. 10
Owner's Manual
Page 13
... here NOTE: Not applicable on CT1503 millivolt model. 0The thermostat's adjustable heat anticipator must be found printed on -time length of an ac ammeter (0 to it These controls are usually located behind the furnace cover See next illustration If current rating is usually a gas valve a relay or burner controi box, Aquastat controller or zone valve with the thermostat wires connected to 2.0 A,for your system.
... here NOTE: Not applicable on CT1503 millivolt model. 0The thermostat's adjustable heat anticipator must be found printed on -time length of an ac ammeter (0 to it These controls are usually located behind the furnace cover See next illustration If current rating is usually a gas valve a relay or burner controi box, Aquastat controller or zone valve with the thermostat wires connected to 2.0 A,for your system.
Owner's Manual
Page 14
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 The thermostat itself will operate without batteries, but will not operate as shown. Other types of batteries are dead, replace with two new AAA alkaline batteries. On the CT1500. 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 The thermostat itself will operate without batteries, but will not operate as shown. Other types of batteries are dead, replace with two new AAA alkaline batteries. On the CT1500. CT1501 or CT1502 thermostats, move the heat anticipator indicator to leak, which could damage the timer.
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 Do NOT reverse the knob. SET TIMER 0Adjust the timer by moving the knob in clockwise direction.
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 Do NOT reverse the knob. SET TIMER 0Adjust the timer by moving the knob in clockwise direction.
Owner's Manual
Page 16
as explained in step 3 0Place the two tabs on upper edge of cover into mounting slots in the thermostat base have been removed. "10 0I- ATTACH THERMOSTAT COVER 0Make sure the packing inserts in thermostat base 0Swing cover downward until it engages catch at bottom of base .. 14
as explained in step 3 0Place the two tabs on upper edge of cover into mounting slots in the thermostat base have been removed. "10 0I- 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 ~ this will burn out the thermostat heat anticipator, which will void the warranty. cin l1CHECK OUT THERMOSTAT OPERATION AND SET b TEMPERATURE CONTROL LEVERS The two levers on top of relay or valve coil; 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.
I 15 69-0273-9 ~ this will burn out the thermostat heat anticipator, which will void the warranty. cin l1CHECK OUT THERMOSTAT OPERATION AND SET b TEMPERATURE CONTROL LEVERS The two levers on top of relay or valve coil; 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.
Owner's Manual
Page 18
... cooling equipment should run continuously with the switch at least one complete cycle. The fan should shut off. 0 Place the fan switch at OFF. The heat should not operate. 0 Operate the entire system for at HEAT. IMPORTANT If thermostat fails any test, refer to troubleshooting guide in any time delay that may be built into the compressor control circuit. 0 Movebothleverstogether5°F[30C]aboveroom temperature. The fan will startwhen the furnace heats...
... cooling equipment should run continuously with the switch at least one complete cycle. The fan should shut off. 0 Place the fan switch at OFF. The heat should not operate. 0 Operate the entire system for at HEAT. IMPORTANT If thermostat fails any test, refer to troubleshooting guide in any time delay that may be built into the compressor control circuit. 0 Movebothleverstogether5°F[30C]aboveroom temperature. The fan will startwhen the furnace heats...
Owner's Manual
Page 19
... OUESTIONS REGARDING THE INSTALLATION OF THE HONEYWELL FUEL SAVER THERMOSTAT, PLEASECALL OUR TOLLFREE CONSUMER SERVICES GROUP NUMBER AT 1-800-468-1502, MONDAY-FRIDAY, 7:30 AM - 5:OO PM CENTRALTIME. 17 69-0273-9 For heating season: [? REFER TO THE OWNERS MANUAL FORM 690333FOR OPERATING AND PROGRAMMING INSTRUCTIONS. 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...
... OUESTIONS REGARDING THE INSTALLATION OF THE HONEYWELL FUEL SAVER THERMOSTAT, PLEASECALL OUR TOLLFREE CONSUMER SERVICES GROUP NUMBER AT 1-800-468-1502, MONDAY-FRIDAY, 7:30 AM - 5:OO PM CENTRALTIME. 17 69-0273-9 For heating season: [? REFER TO THE OWNERS MANUAL FORM 690333FOR OPERATING AND PROGRAMMING INSTRUCTIONS. 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...