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HEAT TEMP
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Auto Recovery
Climate Technology’s Auto Recovery feature meets the ENERGY STAR
®
guidelines for energy
efficiency by allowing the heating or cooling system to recover gradually from an energy-
saving setpoint temperature to a comfort setpoint temperature.
Auto Recovery calculates how early to turn your system back On, so that the room tempera-
ture is already comfortable by the start of the comfort temperature program period. Auto
Recovery works in both Heat and Cool modes.
■ When the thermostat is in Auto Recovery mode, the dis-
play will alternate “RECO” with time, and the program
indicator will flash.
■ Auto Recovery can be disabled by sliding the Recovery
switch on the circuit board to disable.
■ Auto Recovery will not operate if Permanent hold or
Temporary hold is in operation.
■ Auto Recovery can be canceled manually if
HOLD / RETURN is pressed during the recovery
process.
■ Auto Recovery will be canceled and change to Temporary
Manual Override mode if the setpoint is adjusted during
the recovery process.
Error Mode
If the thermostat is unable to control your system due to an
unexpected battery problem, the thermostat will enter Error
Mode. In this condition, the thermostat flashes “Err” on the
LCD display, and shuts off your system. To correct this prob-
lem, replace the batteries with 2 new AA alkaline batteries,
even if you have recently replaced them. Next, use a paper
clip to press the RESET button next to the keypad. You will
need to reprogram your thermostat and confirm normal
operation.
If Error Mode returns, please call Climate Technology Technical support at 1-800-676-7861 for
further information.
Auto Cut Off
Your thermostat will automatically cut-off in Heat mode if the room temperature rises above
95˚F (35˚C). It will cut-off in Cool mode if the room temperature drops below 40˚F (4˚C).
Note that if your system has malfunctioned and no longer responds to thermostat controls,
the Auto Cut-Off will have no effect.
Mechanical Heat Back-Up
This thermostat includes a bi-metal switch that will automatically turn on the Heat when the
temperature reaches about 41° F (5°C).
WARNING: This switch only activates the Heating terminal (W). The sys-
tem itself must be capable of automatically turning the Fan On. Without
normal Fan operation, severe damage to the heating system could result.
TROUBLESHOOTING
If you experience any other problems, call 1-800-676-7861 from 8 AM to 5 PM Central Time for
technical assistance.
Problem Solution
No Display
Entire Display Dims
Program Does Not Change
at your Desired Setting
Auto Fan Does Not
Turn On Properly
Heating or Cooling Does
Not Go On or Off
Erratic Display
If unit continues to operate
in the Off position
Thermostat permanently
reads “HI”, “LO”, or “ERR”
1. Check battery connections and batteries.
2. Press RESET button with a small pin and hold in
for two seconds.
1. Replace Batteries
1. Check that the time is set properly to “AM” or “PM”.
2. Check that the thermostat is not in Permanent
HOLD mode.
3. Check for the correct day setting.
1. Move HG/HE selector to correct position.
1. Check that the function switch is in the correct
position (“HEAT” or “COOL”).
2. There may be as much as 4-minute delay before
the system turns On – wait and check. (Compressor
protection delay.)
3. Check your circuit breakers and switches to ensure
there is power to the system.
4. Replace batteries.
5. Make sure your furnace blower door is closed properly.
6. If your non-heat pump system only uses 4-wires, be
sure the jumper wire is installed between the RC and
RH terminals.
7. Check the position of the System Selector switch:
Standard or Heat Pump.
1. Press the reset button once with a small pin and hold
for two seconds. Then reprogram.
1. Replace unit.
1. Replace unit.
© 2003 Climate Technolgoy Corp.
41639-01 07/02/2003
Climate Technology Corp.
2500 FRISCO AVENUE
MEMPHIS, TN 38114
A Hunter Fan company