Page 2 - IV DELUXE PROGRAMMABLE THERMOSTATS; ORDERING INFORMATION; Thermostat Models; Operating Ambient: 40
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 2 ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to theTRADELINE® Catalog or price sheets for complete ordering number. If you have ...
Page 3 - RECYCLING NOTICE; Relay; Fan
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 3 Table 2. Maximum Amps at 30 Vac. Table 3. Default Setpoints. Period Time Heat Setpoint Cool Setpoint Fan Setting 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:...
Page 4 - INSTALLATION; Location; Position the wallplate over the holes, pulling wires; WIRING; CAUTION; Loosen the terminal screws on the wallplate and
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 4 INSTALLATION When Installing this Product... 1. Read these instructions carefully. Failure to follow the instructions can damage the product or cause ahazardous condition. 2. Check the ratings given in the instruc...
Page 5 - Mounting Thermostat Wallplate
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 5 WIRES THROUGH WALL WALL MOUNTING HOLES M15044 MOUNTING SCREWS WALLANCHORS(2) Fig. 3. Mounting the wallplate. IMPORTANT Use 18 gauge, color-coded thermostat cable forproper wiring. 2. Securely tighten each terminal...
Page 6 - SETTINGS; Using Thermostat Keys
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 6 Fig. 5. Mounting thermostat on 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 pr...
Page 7 - Temperature Settings; INSTALLER SETUP
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 7 M15042 Hold Temp Run Program Copy Daylight Time Set Current Day/Time System Fan Time Set Program Day System Fan Wake Leave Return Sleep Heat/Cool Settings System settings control the thermostat operation as follow...
Page 9 - IMPORTANT; Setting Current Day and Time; Press Day until the current day is displayed.; or Time
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 9 Table 6. Thermostat Installer Setup Options (continued). M10312 Time Set Program System Fan Run Program Hold Temp Set Current Day/Time Set Current Day/Time Wake Leave Return Sleep Day Heat/Cool Settings Daylight T...
Page 10 - INSTALLER SYSTEM TEST; Test
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 10 M10315 Time Set Program System Fan Run Program Hold Temp Set Current Day/Time Wake Leave Return Sleep Day Heat/Cool Settings Daylight Time Daylight Time Copy AM DST Tue Set Day/Time NOTE: If the current time is D...
Page 11 - THERMOSTAT INFORMATION; Setting the Current Day and Time
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 11 NOTE: Press any key and the numbers will change on thedisplay. Press Time ▼ ▼ to scroll backwards and Time ▲ ▲ to scroll forward. The Run Program, Key will not exit from this test. To exit, go to a different test...
Page 12 - Programming the First Day
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 12 4. Press Run Program. M10316 Time Set Program System Fan Run Program Run Program Hold Temp Set Current Day/Time Wake Leave Return Sleep Day Heat/Cool Settings Daylight Time Copy Auto System Fan Wake Room AM DST T...
Page 13 - Copying a Day
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 13 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...
Page 14 - Clearing Program Period; Setting Temporary Temperatures; Changing Temperature Setting Indefinitely
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 14 3. Press Copy. M10326 Time Set Program System Fan Run Program Hold Temp Set Current Day/Time Wake Leave Return Sleep Day Heat/Cool Settings Daylight Time Copy Copy Mon 4. Press Day until the day to be copied to i...
Page 15 - Press Run Program to cancel the Hold and to return to; Press Heat/Cool Settings to change between heat and; Setting System and Fan; Setting Temporary Fan Operation
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 15 NOTE: The display changes from the setpoint to theroom temperature after approximately 3seconds. 5. Press Run Program to cancel the Hold and to return to the program. Changing Temperature Setting Until aDesignate...
Page 16 - Operation Sequence; OPERATION; Equipment Protection
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 16 M10342 Time Set Program System Fan Run Program Hold Temp Set Current Day/Time Wake Leave Return Sleep Day Heat/Cool Settings Daylight Time Copy Outdoor HEATING COOLING PERCENT LOAD TEMPERATURE THERMOSTATHEAT SETP...
Page 17 - Thermostat Operation; Startup; Adaptive Intelligent Recovery; TROUBLESHOOTING GUIDE; Refer to Table 12 for troubleshooting information.
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 17 Thermostat Operation Startup When power to the thermostat is turned on, a startup andinitialization program begins. The startup occurs only on initialpowerup. After total loss of power for an extended period, the...
Page 18 - Symptom
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 18 (continued) Table 12. Troubleshooting Information. Symptom Possible Cause Action Display will notcome on. Thermostat is not beingpowered. • Check for 24 Vac between R and C or W terminals.— If missing 24 Vac:— ch...
Page 19 - Chronotherm® III Family; CROSS REFERENCE
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 19 Table 12. Troubleshooting Information (continued). Symptom Possible Cause Action Heating or coolingcome onmomentarily andshut off Heat or cool circuit is openingup or becoming highimpedance. Add resistor in paral...
Page 20 - Model Number; Table 14. Thermostat Cross Reference Information.
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 20 (continued) Model Number Description TRADELINE® Replacement Remarks T8600A One-stage heat conventional thermostat; system powered; system switch—none; fan switch—none. T8600A1000 Honeywell logo. T8600D2028 Heat/c...
Page 25 - cool system with two transformers.
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 25 L1(HOT) L2 M10348 FANRELAY Y G THERMOSTAT RC HEATRELAY R W L1(HOT) L2 COMPRESSORCONTACTOR HEATING TRANSFORMER COOLINGTRANSFORMER B HEATDAMPER COOLDAMPER O 2 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOADPR...
Page 28 - Helping You Control Your World
T8600D, T8601D AND T8602D CHRONOTHERM ® IV DELUXE PROGRAMMABLE THERMOSTATS 68-0164—1 28 Honeywell Europe S.A.3 Avenue du BourgetB-1140 Brussels Belgium Honeywell Asia Pacific Inc.Room 3213-3225Sun Hung Kai CentreNo. 30 Harbour RoadWanchaiHong Kong Home and Building ControlHoneywell Limited-Honeywell...