Honeywell CT8611 Installation Manual Download | Manualshive

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69-0816

INSTALLATION MANUAL

IMPORTANT:

This thermostat may be programmed either

before or after installation. Refer to Owner’s Guide,
form 69-0398, for programming instructions.

CT8611
PROGRAMMABLE
HEAT PUMP THERMOSTAT

12-93 • Form Number 69-0816

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Summary of Contents for CT8611

Page 1: ...ON MANUAL IMPORTANT This thermostat may be programmed either before or after installation Refer to Owner s Guide form 69 0398 for programming instructions CT8611 PROGRAMMABLE HEAT PUMP THERMOSTAT 12 93 Form Number 69 0816 ...

Page 2: ...at 1 800 468 1502 Monday Friday 7 00 a m 5 30 p m Central Time Before you call please have the following information available thermostat model number and date code kind of heating cooling system i e hot water warm air oil gas etc number of wires connected to the thermostat NOTICE This equipment is a Class B digital apparatus which complies with Canadian Radio Interference Regulations CRC c 1374 ...

Page 3: ...ermostat system switch is in the EM HT position Heat and cool anticipation is fixed in all models no adjustment is necessary Cycle rates are adjust able for auxiliary heating stage Any questions concerning your system s com patibility with your thermostat may be directed to Honeywell Customer Assistance at their toll free number 1 800 468 1502 WARNING This device is designed to operate on low volt...

Page 4: ...mpera ture is below 50 F 10 C TURN OFF POWER to the system at the heat pump and at the fuse circuit breaker panel Carefully unpack your new thermostat Save instructions proof of purchase from packag ing and original receipt FLAT BLADE SCREWDRIVER HAND OR POWER DRILL WITH 3 16 INCH DRILL BIT IF NEEDED TO DRILL HOLES IN WALL WIRE CUTTER STRIPPER OR SHARP KNIFE IF NEEDED TO STRIP WIRES MASKING TAPE I...

Page 5: ...ROUGH WALL OPENING M5136 WARNING If your old thermostat is attached to a junction box in the wall it is likely that 120V are present To prevent electrical shock hazard do not proceed Call a quali fied electrician CAUTION 1 Disconnect power supply to prevent electrical shock or equipment damage 2 After wiring is complete push excess wire back into the hole and plug hole with nonhardening caulk putt...

Page 6: ...OSTAT If this thermostat is replacing a thermostat that contains mercury in a sealed tube do not place your old thermostat in the trash Contact your local waste management authority for instructions regarding recycling and the proper disposal of your old thermostat If you have questions call Honeywell Inc at 1 800 468 1502 M3376 MERCURY SWITCH ANTICIPATOR SCALE ANTICIPATOR SETTING LEVER COILED BIM...

Page 7: ...l holes for anchors Gently tap anchors into holes until they are flush with the wall surface MOUNT THERMOSTAT SUBBASE 3 Thread wires through the center opening of the subbase Then mount the subbase using the two screws provided Gently tighten the screws level the top surface of the subbase and then se curely tighten the screws WIRES THROUGH WALL OPENING WALL WALL ANCHORS 2 SUBBASE MOUNTING HOLES M...

Page 8: ...Wiring Guide Wire only those terminals shown with lines connecting them Some terminals on the thermostat may not be used For each wire loosen the terminal screw slip the wire beneath its matching terminal and tighten the screw The shape of the terminal barrier allows straight or conventional wraparound wiring connections NOTE Keep all wiring restricted to ribbed area surrounding terminals Fig 3 to...

Page 9: ...RELAY MONITOR R C O B G E W2 W1 Y1 L P L1 HOT L2 1 1 CT8611R COMPRESSOR CONTACTOR M9076 POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED DEFROST CONTROL C O RELAY HEAT C O RELAY COOL AUX HT RELAY FAN EM HT RELAY MONITOR 1ST STAGE COOL RELAY R C O B G E W2 W1 Y1 L P L1 HOT L2 1 1 CT8611R 1ST STAGE HEAT RELAY Fig 5 Typical hook up of CT8611 with jumper removed Fig 4 Typical ...

Page 10: ...ee Fig 6 NOTE MOST APPLICATIONS DO NOT REQUIRE A CHANGE IN CYCLE RATE The room air temperature normally varies slightly from the comfort temperature setting with the cycling of the heat pump or auxiliary heater INSTALL BATTERIES Three AAA alkaline batteries are included with the thermostat to prevent program loss in case of power outage Install batteries in back of thermo stat as shown in Fig 7 Wi...

Page 11: ...removed from the subbase After replacing the battery in this case reprogramming is necessary MOUNT THE THERMOSTAT With system switch set to OFF hang the ther mostat on the tabs at the top of the subbase Fig 8A Swing down and press on lower edge until thermostat snaps in place Fig 8B Open cover and tighten the captive mounting screws Fig 8C Fig 8 Mounting the thermostat on subbase M9074 PM MORNIMG ...

Page 12: ...age between R and C it should be 20 to 30 Vac SET DAY AND TIME Restore 24V power to the thermostat When power is applied the display will read 1 00 PM and indicate the room temperature It will go off for a few seconds then begin to flash on and off Set the present day and time Press SET PRESENT DAY TIME Press DAY to set the current day Each press of the DAY key advances the display one day Press T...

Page 13: ...may be a delay of 5 10 minutes before heat turns on Press COOLER key until the setting is about 10 F 6 C below room temperature The heating equipment and fan should shut off During checkout the backup heat will come on immediately During normal operation the backup heat will come on after a delay Backup auxiliary heat is more expensive to operate than the heat pump and typically is used only when ...

Page 14: ...gs Human beings feel differences in temperature as slight as two degrees Fahrenheit Common household thermometers and standard thermostats sense only air temperature which may or may not reflect how hot or cold the room actually feels to a human being This thermostat reads the temperature of the wall as well as the air and responds to tem perature changes as little as one degree Fahr enheit so roo...

Page 15: ... TANCE AT 1 800 468 1502 MONDAY FRIDAY 7 00 AM 5 30 PM CENTRAL TIME BEFORE YOU CALL PLEASE HAVE THE FOLLOWING INFORMATION AVAILABLE TYPE OF HEATING SYSTEM IGNITION TYPE WHETHER GAS OR ELECTRIC AIR CONDITIONING MODEL NUMBER OF OLD THERMOSTAT NUMBER OF WIRES AND TERMINAL DESIGNATIONS USED ...

Page 16: ...ntrol HelpingYouControlYourWorld Honeywell Inc Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley Minnesota 55422 Scarborough Ontario M1P 2V9 G S 12 93 Honeywell Inc 1993 Printed in Tiawan Form Number 69 0816 ...

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