Honeywell T4700 User Manual
® U.S. Registered Trademark
Copyright © 2003 Honeywell International Inc.
All Rights Reserved
T4700 Chronotherm™
Electronic
Programmable
Line Voltage
Thermostat
OWNER’S GUIDE
69-1396-2
Features
• Digital temperature sensing and
control for energy efficient
precision operation.
• Flexibility of 5-1-1 day or 7-day
programming
• Exceptional comfort control of
resistance-rated heating
equipment.
• Patented CoolSwitch™ design
offers a long service life.
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• Night and day setback of space
temperature can save up to 29
percent of the energy used to
heat a controlled zone.
• Offers up to a 12 percent energy
saving during comfort periods
compared with conventional bimetallic electric heating
thermostat, according to the
Electric Power Research
Institute.
Welcome ... to the world of comfort and
energy savings with your new Honeywell
programmable thermostat.
Your new T4700 Chronotherm™
Programmable Electronic Line Voltage
Thermostat is designed to provide you with
reliable, precise temperature control. When
you follow the simple programming
instructions in this manual, your thermostat
automatically controls the temperature in
your home, saving energy and allowing you
to awake (or return home) to a comfortable
temperature in your home.
Please direct any questions about the
operation of this thermostat to Honeywell
Customer Assistance at 1-800-468-1502.
Contents
Features ................................................. 2
Specifications ......................................... 4
Programming Thermostat....................... 5
Initial Power-Up ................................. 5
Factory Set Programming ................. 5
Thermostat Reset .............................. 6
Homeowner Programming ................ 6
Setting the Current Day and Time ......... 7
Setting the Daily Schedule (7-Days........ 8
Copying Schedules to Another Day ....... 9
Overriding a Program ............................. 10
Programming Additional Functions ........ 10
Checkout ................................................ 12
Troubleshooting...................................... 12
Customer Assistance.............................. 13
One-Year Limited Warranty .................... 14
3 69-1396—2
Specifications
Models:
T4700A: SPST; makes heating circuit
on temperature fall.
T4700B: DPST; makes heating circuit
on temperature fall. Breaks both
sides of 240 volt line with switch in
OFF position.
Temperature Ratings:
Operating Range: -20 to +104°F (-30°
to +40°C).
Control Range: 45 to 80°F (7 to 27°C)
in 1° increments. Factory set at 16°C
(61°F).
Humidity Ratings: 55 to 95 percent
RH, non-condensing.
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Wiring: 6 in. (150 mm) stranded copper
leadwires, suitable for connection to
aluminum wiring if approved special
service CO/ALR connectors are used.
Electrical Ratings (Noninductive):
3800W, 16A maximum;
500W, 2A minimum at 240V, 60 Hz.
Sensing Element: Electronic
thermistor.
Switching: Patented CoolSwitch®.
Programming Thermostat
Initial Powerup
When the thermostat is first powered up (or
after eight hours of continuous power loss),
the display blinks for two seconds and then
undergoes a self-test — while 00E displays
for about 15 seconds.
This is followed by the display flashing
(1:00 PM); the internal checkout is
complete and the thermostat is ready to be
programmed.
To verify that the thermostat is turning on
the baseboard heater, press the (+) key
until the setpoint displayed exceeds the
room temperature.
The (°) symbol is flashing. Feel for warmth
in the area close to the heating element;
the unit should be starting to generate heat.
Press and hold the Prog key to return the
thermostat to the Run mode.
Factory Set Programming
The thermostat defaults to a normal nonprogrammable thermostat at power-up,
indicated with Hold appearing in the
display. Pressing the Prog key once enters
the programming mode. The thermostat is
preset with a factory set schedule for 7
days, see Table 1.
Table 1. Preset Factory Schedule
Event Time Temperature
WAKE 6:00 AM 70°F (21°C)
LEAVE 8:00 AM 61°F (16°C)
RETURN 6:00 PM 70°F (21°C)
SLEEP 10:00 PM 61°F (16°C)
5 69-1396—2
for 7-days.
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