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T8600D, T8601D and T8602D
®
Chronotherm IV Deluxe Programmable
Thermostats
PRODUCT DATA
• Models available with outdoor temperature sensor
capability for homeowner convenience. The sensor is
also more accurate than a thermometer.
• Configurable features allows one model to be used to
replace many different models (less inventory, no
longer need to carry separate models to get these
features).
— °F or °C temperature display;
—Automatic or manual changeover;
— Electric or conventional heat fan ope
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS System Current Load Ratings: SPECIFICATIONS 6 VA maximum at 30 Vac, 50/60 Hz. IMPORTANT Output Relay Load Rating: The specifications given in this publication do not See Table 2. include normal manufacturing tolerances. Therefore, this unit might not exactly match the listed Temperature: specifications. This product is tested and calibrated Ratings: under closely controlled conditions, and some minor Operating Ambient: 4
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 2. Maximum Amps at 30 Vac. Finish: Taupe color. Relay Running (A) Inrush (A) Dimensions: Fan 0.5 2.5 See Fig. 1. Heat 1.5 3.5 Mounting Means: Cool 1.5 7.5 The thermostat mounts on a wallplate. The wallplate mounts horizontally on a wall or outlet box with two no. 6 x 32 screws Table 3. Default Setpoints. (included). Heat Cool Fan Accessories: Period Time Setpoint Setpoint Setting C7089B Outdoor Temperature Sensor
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS 1. Position and level the wallplate (for appearance only). INSTALLATION The thermostat will function properly even when not level. 2. Use a pencil to mark the mounting holes. See Fig. 3. When Installing this Product... 3. Remove the wallplate from the wall and drill two 3/16 1. Read these instructions carefully. Failure to follow the inch holes in the wall (if drywall) as marked. For firmer instructions can damage the pr
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS WALL WIRES THROUGH WALL WALL ANCHORS (2) FOR STRAIGHT INSERTION STRIP FOR WRAPAROUND 5/16 IN. (8 MM). INSERTION STRIP 7/16 IN. (11 MM). M4826 Fig. 4. Proper wiring technique. MOUNTING HOLES Mounting Thermostat Wallplate MOUNTING SCREWS The thermostat mounts on the wallplate after they are installed. 1. Engage tabs at the top of thermostat and wallplate. See Fig. 5. M15044 2. Press lower edge of case to latch. Fig. 3.
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS A. ENGAGE TABS AT TOP OF THERMOSTAT AND WALLPLATE. SETTINGS Using Thermostat Keys The thermostat keys are used to: • set current day and time, • program times and setpoints for heating and cooling, • temporarily override program temperatures, • display present setting, • configure Installer Setup, • check System Test, B. PRESS LOWER EDGE OF CASE TO LATCH. • display outdoor temperature (select models), • set the system
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS System settings control the thermostat operation as follows: The Installer Setup is used to customize the thermostat to Heat: The thermostat controls the heating. specific systems. Some of the options include temperature Off: Both the heating and cooling are off. display, changeover and outdoor temperature display. Installer Cool: The thermostat controls the cooling. Setup numbers are listed in Table 6. The table include
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 6. Thermostat Installer Setup Options. Installer Setup Other Choices Number (Press Factory-Setting (Press ▲ or ▼ key to change) Time ▲ key to Actual change) Setting Select Display Description Display Description Not used 1 — — — — — a 20 Conventional 1 Heat pump or electric heat Fan operation applications where applications where thermostat equipment controls fan controls fan operation in heat operation in heat
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 6. Thermostat Installer Setup Options (continued). Installer Setup Other Choices Number (Press Factory-Setting (Press ▲ or ▼ key to change) Time ▲ key to Actual change) Setting Select Display Description Display Description Not used 31 and 32 — — — — — Minimum off time 33 5 5 minute minimum off 0 thru 4 Minimum number of minutes (0 for the time for the thru 5) the compressor will be compressor compressor off bet
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS NOTE: If the current time is Daylight Savings Time, Temporary Setting Enrg Set Program Start Time Set Day/Time press Daylight Time until DST is displayed. Sav Hold for AM Em Ht Room Set Day/Time PM Aux Ht %Humid AM MonTueWedThuFriSatSun Heat Cool Outdoor Time Set Program Run Set Current Wake Leave Return Sleep Tue Daylight Program Day/Time Recovery WakeLeaveReturnSleep In Auto Repl Batt Heat/Cool Time Hold Temp Day Syste
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS NOTE: Press any key and the numbers will change on the PROGRAMMING display. Press Time ▼ ▼ to scroll backwards and Time ▲ ▲ to scroll forward. The Run Program, Key will not The keyboard is located behind the thermostat cover with exit from this test. To exit, go to a different test and three frequently used keys by the display. The thermostat press Run Program. display shows day, time, program period, temperature, system
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS NOTE: If the current time is Daylight Savings Time, Programming the First Day press Daylight Time until DST is displayed. Start by programming the Wake time and temperature (and fan operation on select models) for any one day: 1. Press Wake. Set Day/Time AM Time Set Program Run Set Current Wake Leave Return Sleep Tue Daylight Program Day/Time Setting Set Program Start Time Heat/Cool Time Hold Temp Day System Fan Settings
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 9. Default Time, Setpoints and Fan Settings (continued). Period Start Time Heat Setpoint Cool Setpoint Fan Setting Sunday Wake [6:00 AM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Leave [8:00 AM] [62°F (16.5°C)] [85°F (29.5°C)] [Auto] Return [6:00 PM] [70°F (21°C)] [78°F (25.5°C)] [Auto] Sleep [10:00 PM] [62°F (16.5°C)] [82°F (28°C)] [Auto] 2. Press Day until the desired day is displayed. 6. Press increase ▲ or decreas
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS 3. Press Copy. 4. Repeat steps 2 and 3 for all the periods to be cleared. 5. Press Run Program. Copy Time Set Program Run Set Current Program Day/Time Wake Leave Return Sleep Mon Heat/Cool Hold Temp Day Settings System Fan Setting Temporary Temperatures Daylight Copy Time M10326 Changing Temperature Setting Until the Next 4. Press Day until the day to be copied to is displayed. Program Period Press increase ▲ or decrea
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS NOTE: The display changes from the setpoint to the NOTE: In this example, the thermostat uses the Hold setting room temperature after approximately 3 for eighteen days and returns to the daily programs seconds. at the Return period start time. The temperature settings are heating 54°F and cooling 84°F. Only the 5. Press Run Program to cancel the Hold and to return to heating temperature is used because the System is the
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS THERMOSTAT Using Daylight Savings Time Feature COOL SETPOINT This feature allows you to change in and out of Daylight PROPORTIONAL COOL Savings Time with a key press. When the Daylight Time Key is CONTROL POINT pressed in the fall, the time will go back one hour. In the P+I CONTROL POINT spring, the time will go ahead one hour and the display will show DST. See Setting the Current Day and Time section for initial setti
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Adaptive Intelligent Recovery® calculates the recovery ramp Thermostat Operation based on the number of degrees away from the desired Startup setpoint, previous equipment performance, and weather When power to the thermostat is turned on, a startup and history to initiate recovery at the optimal time to achieve the initialization program begins. The startup occurs only on initial comfort setting at the desired time. powe
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 12. Troubleshooting Information. Symptom Possible Cause Action Display will not Thermostat is not being • Check for 24 Vac between R and C or W terminals. come on. powered. — If missing 24 Vac: — check if the circuit breaker is tripped—reset the circuit breaker. — check if the system fuse is blown—replace the fuse. — check if the power switch on the HVAC equipment is in the Off position—set to the On position. —
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 12. Troubleshooting Information (continued). Symptom Possible Cause Action Heating or cooling Heat or cool circuit is opening Add resistor in parallel with load or install interface relay. come on up or becoming high momentarily and impedance. shut off Fan operation set for 0 Enter Installer Setup number 2 and reconfigure the fan operation. System on indicator (conventional heat) when it (flame=heat, should be set
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® T8600D, T8601D AND T8602D CHRONOTHERM IV DELUXE PROGRAMMABLE THERMOSTATS Table 14. Thermostat Cross Reference Information. TRADELINE® Model Number Description Replacement Remarks T8600A One-stage heat conventional thermostat; system powered; system switch—none; fan switch—none. T8600A1000 Honeywell logo. T8600D2028 Heat/cool model can be used for heat only; system selection Heat-Off-Cool- Auto; duel fuel. T8600A1018 Canadian TRADELINE® thermostat; T8600D2028 Heat/cool model can be used for
