• IV Plus Programmable Thermostats
• IV Plus Programmable Heat Pump Thermostats; T8624 Chronotherm
• IV Plus Programmable Multistage Thermostats
Provide electronic control of 24 Vac single-stage or multistage heating and cooling systems, including heat pump systems.
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
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.
• Thermostat guards available for added security.
Adjustable temperature range stops.
Application Electric Systems and Heat Pump with no Aux. Heat, Gas, Oil
Programmability 7 Day Program.
Changeover Automatic, Manual Selectable.
Power Method Battery.
Color Premier White
Terminal Designations R,W,B,O,Y,G,RC, OT, OT.
Dimensions (in.) 3 3/4 in. high, 6 1/16 in. long x 1 9/16 in. deep.
Dimensions (mm) 95 mm high, 154 mm long, 40 mm deep.
Humidity Ratings (% RH) 5 to 90% RH, non-condensing.
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.
Outdoor Sensor Yes, optional.
Sensor Element Thermistor.
Currents (Heating) 1.5A running, 3.5A inrush.
Currents (Cooling) 1.5A running, 7.5A inrush.
Currents (Fan) 0.5A running, 2.5A inrush.
Description Chronotherm IV Plus Programmable.
Stages 1 Heat/1 Cool.
Tradeline Value Super Tradeline.
Switch Positions (Fan) AUTO-ON.
Switch Positions (System) HEAT-OFF-COOL-AUTO.
Electrical Ratings 20 to 30 Vac or 750mV.
Frequency 50 Hz, 60 Hz.
Temperature Range, Ambient (C) 4 C to 43 C.
Temperature Range, Ambient (F) 40 F to 110 F
Replaces Honeywell Chronotherm III
Chronotherm IV, Honeywell IV
Replaces Part Numbers:T8602D2018, T8602C1095, CART8602D2018