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Environmental & Combustion Controls
T8602D2018
Premier White® 7 Day Programmable Chronotherm® IV Plus Thermostat with automatic/manual changeover, 1 Heat/1 Cool stages and R,W,B,O,Y,G,RC, OT, OT terminals for gas, oil, electric or heat pump systems

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Overview
Chronotherm® IV Plus Programmable Thermostats provide electronic control of 24 Vac single-stage or multistage heating and cooling systems, including heat pump systems.

This product is obsolete. It can be purchased while supply lasts, or you can look for a replacement in the cross-reference.
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Features

• Large display with bright back lighting makes the LCD very easy to read.
• Full seven-day program capability; different schedules and temperature setpoints selectable every day to match homeowner's flexible schedule.
• Copy key makes programming easier and faster for installer and homeowner. Daylight Savings Time (DST) key for quick change in and out of Daylight Savings Time.
• Models available with programmable fan operation for added homeowner comfort.
• Easy temporary temperature setpoint changes for current period, vacation hold (1 to 255 days) or indefinite hold adds to homeowner comfort and energy savings.
• Frequently used keys are located near liquid crystal display (LCD) for quick and easy access to information.
• Attractive styling complements any decor to homeowner's delight.
• Models available with C7089B1000 Outdoor Temperature Sensor capability for homeowner convenience; sensor is more accurate than a thermometer.
• Configurable features allow 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 operation;
• --Adjustable heating cycle rate.
• Minimum-off time for cooling compressors and heat pumps protects equipment and extends equipment life.
• Easy installation, setup and system test saves installer time and increases productivity.
• System test simplifies troubleshooting and saves time by overriding time delays.
• Adaptive Intelligent Recovery control brings room temperature to temperature setpoint at the programmed time, maximizing comfort and energy savings.
• Setpoints are permanently held in memory (no batteries used) and retained during power outages for increased installer and homeowner convenience.
• Powerstealing, hardwired and battery powered models available for virtually all equipment and application needs.
• Universal Versaguard® Thermostat guards
Product Specifications  Back To Top
Description Chronotherm IV Plus Programmable
Application Conventional and Heat Pump systems
Programmability 7 Day Program
Changeover Auto/Manual Selectable
Color Premier White®
Switch Positions (System) HEAT-OFF-COOL-AUTO
Switch Positions (Fan) AUTO-ON
Power Method Battery
Terminal Designations R,W,B,O,Y,G,RC, OT, OT
Dimensions (in.) 3 3/4 in. high x 6 1/16 in. long x 1 9/16 in. deep
Dimensions (mm) 95 mm high x 154 mm long x 40 mm deep
Mounting Horizontal
Frequency 50 Hz
Frequency 60 Hz
Setting Temperature Range (F) Heat: 40 F to 90 F; Cool: 45 F to 99 F
Setting Temperature Range (C) Heat: 4.5 C to 32 C; Cool: 7 C to 35 C
Differential Temperature (F) ± 1 F
Differential Temperature (C) ±0.5 C
Stages 1 Heat/1 Cool
Outdoor Sensor Yes, optional
Sensor Element Thermistor
Heat Current 1.5A running, 3.5A inrush
Cool Current 1.5A running, 7.5A inrush
Fan Current 0.5A running, 2.5A inrush
Operating Humidity Range (% RH) 5 to 90% RH, non-condensing
Temperature Range, Ambient (F) 40 F to 110 F
Temperature Range, Ambient (C) 4 C to 43 C
Tradeline Value Super Tradeline
Voltage 20 to 30 Vac or 750 mV

Literature and other Resources Download Back To Top
Installation Instructions - (T8602A, T8602B, T8602C, T8602D, TS8602A, TS8602C Chronotherm III Fuel Saver Thermostats)
Installation Instructions - (T8602A, T8602B, T8602C, T8602D, TS8602A, TS8602C Chronotherm III Fuel Saver Thermostat-FRENCH)
Product Data - (T8600A, T8600B, T8600C, T8600D, T8601A, T8601B, T8601C, T8601D, T8602A, T8602B, T8602C, T8602D Chronotherm III)
Installation Instructions - (T8602C2085 Chronotherm IV Deluxe Programmable Thermostats)
Owners Manual - (T8602A2055 Gebruiksaanwijzing - Dutch Chronotherm IV (NL0762))
Owners Manual - (32207484, T8600D, T8601D, T8602C, T8602D, T8611G, T8611M, T8624D Deluxe Programmable Thermostat)
Owners Manual - (32207484, T8600D, T8601D, T8602C, T8602D, T8611G, T8611M, T8624D Deluxe Programmable Thermostat)
Installation Instructions - (T8602A Dutch Chronotherm IV (0202R1-NE NL0761))
Installation Instructions - (T8602D Chronotherm IV Deluxe Programmable Thermostats)
Installation Instructions - (T8602D Chronotherm IV Programmable Thermostats)
Owners Manual - (T8602 SPANISH Termostato Economizador De Combustible)
Installation Instructions - (T8602C Chronotherm IV Deluxe Programmable Thermostats)
Installation Instructions - (T8602C Chronotherm IV Deluxe Programmable Thermostats)
Product Data - (MABS MABS 2 Zone Panel; MM-2 Minizone Panel; MAZ-1 - MAZ-7 Add-A-Zone Panel; T87F, T874, T8090, T8602, T8611, T8621 Thermostats; Q539, Q674, Q682 Subbases For TROL-A-TEMP)
Product Data - (T8600D, T8601D, T8602D Chronotherm IV Deluxe Programmable Thermostats)
Installation Instructions - (32207484-003, 32207484-004, T8602D Deluxe Programmable Thermostats (Generic))
Owners Manual - (T8600, T8601, T8602 Chronotherm III)
Addendum - (T8600, T8601, T8602, T8603 Addendum to 69-0397-1)
Installation Instructions - (T8600, T8601, T8602, T8611, T8624 Thermostats - French)
Addendum - (T8600, T8601, T8602, T8611, T8624, T8665A Thermostats - Installation Instructions and Owner Guides Addendum)
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