®
Programmable Thermostat
M
AM
4
TEMP
Owners Manual
Model 44260
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3
■ Position wallplate on wall and pull existing wires through large opening. Then level for ap-
pearance. Mark holes for plastic anchors provided, if your existing holes do not line up with
those on the Hunter wallplate.
Wire Labeling (Continued)
■ After labeling wires, disconnect them from the existing thermostat terminals.
■ Remove existing wallplate. To make sure wires do not fall back into wall opening, you may
want to tape them to the wall.
■ Drill holes with 3/16” bit and gently tap anchors into the holes until flush with wall.
■ Reposition wallplate to wall, pulling wires through large opening. Insert mounting screws
provided into wall anchor and tighten. See Figure 3.
■ If hole in wall is larger than necessary for wires, seal this hole with insulating material so that
no hot or cold air can enter the back of the thermostat from the wall. This air could cause a
false thermostat reading.
NOTE: 5-wire Systems
If your thermostat has one wire marked R or RH (2, 3, or 4-wire system), then leave the jumper
wire between the RH and RC terminals on the wallplate. Otherwise, if you have separate RH and
RC wires (5-wire system), then remove the jumper wire between the RH and RC terminals.
If the code letter on your
existing thermostat is
then mark the wire
with label shown
and connect to thermostat
terminal shown
RH
Connect Wires and Mount Thermostat to Wallplate
RH, R, VR or 4
24 Volt
x
■ Match and connect the labeled wires to the appropriate coded terminal screws on the
wallplate. (See Figure 4, 5.) Ignore any wires which may be present, but which were not con-
nected to the old thermostat.
RC
RC, VC
24 Volt Cool
x
■ Refer to the Wiring Diagrams below to be sure your system is wired correctly.
■ If your system is a single stage heat pump and uses an O or B wire, you must move the Sys-
tem Selector switch inside the thermostat to the Heat Pump position. If you have a normal
furnace or electric system, leave the switch in the Standard position. Refer to the System
Selector section for more information on this switch.
G
G or F
Fan
x
■ Be sure to tighten the terminal screws securely, otherwise a loose wire could cause opera-
tional problems with your system or thermostat.
Y, C or M
Air Conditioning Compressor
- or -
O
Y/O
■ Push excess wire back into the hole to prevent interference when installing the thermostat to
the wallplate.
x
Reversing Valve operating in Cool mode.
(Single Stage Heat Pumps ONLY.)
■ Make sure the System Switch is set to OFF, and the Fan Switch is set to AUTO.
Y/O
■ Insert the bottom tab on the thermostat body into the slot at the bottom of the wallplate.
Press the top of the thermostat body to snap it into the wallplate. Refer to Figure 6. (NOTE:
Do not force the thermostat onto the wallplate, as the terminal pins may be
damaged. If it does not snap properly, the thermostat may not work.)
W or H
Heating
- or -
W/B
x
B
■ Insert the two AA size alkaline batteries, observing the polarity marked inside the battery
compartment.
Reversing Valve operating in Heat mode.
(Single Stage Heat Pumps ONLY.)
■ Switch on the main power at the panel or furnace.
Y1
Y1
Heat Pump compressor
(Single Stage Heat
Pumps ONLY.)
x
Table A
NOTE: Do not connect a “Common” wire (sometimes labeled “C”) to any terminal on
this thermostat. Tape up the wire and do not use. This wire provides electricity to non-
battery powered thermostats.
RH
x
Mount Wallplate and Thermostat
G
Rc Rh Y/O W/B Y1
■ Remove the wallplate from your thermostat by pressing the release tab on the bottom of the
thermostat. See Figure 2.
Figure 4
Figure 5
Figure 2
G
Figure 3
Figure 6
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4
Wiring Diagrams
Selector Switches
In order for this thermostat to control your system, the system type must be specified by the
selector switches on the printed circuit board inside the thermostat.
4-wire Heat/Cool System
System
Selector
Wallplate
Terminals
Jumper
■ Heating System Selector (HG - HE switch)
The factory position for this switch is in the “HG” position. Leave it in this position if you have
a gas furnace or an oil burner. If you have an electric furnace, test to see whether the Heat
and Fan come on as expected after installation. If the Fan operation is normal, leave it in the
“HG” position. If the Fan does not come on within a minute of the thermostat calling for heat,
change the switch position to “HE”. The system selector has no effect in the cooling mode.
–
STD HP
Rh
Y/O
W/B
G
Rc
Y1
X
X
Heat/Cool
24V Supply
Heat Relay
or Valve
Cool
Contactor
Fan
Relay
NOTE: “HG” position is for gas and most other systems. “HE” position is for certain
electric systems having a fan relay.
■ System Selector (STANDARD - HEAT PUMP switch)
5-wire Heat/Cool System
The factory position for this switch is in the STD position. Leave it in this position if you have
ANY system that uses gas, oil, electric, or hot water heating. If you have a single-stage Heat
Pump (no auxiliary or emergency heat source), then slide the switch to the HP position. Be sure
the reversing valve wire is connected to the correct terminal for your heat pump (Y/O) or (W/B).
System
Selector
Wallplate
Terminals
No Jumper
–
STD HP
Rh
Y/O
W/B
G
Rc
Y1
■ Auto Recovery selector (DISABLE / ENABLE)
X
Your thermostat is set from the factory with the Auto Recovery Feature enabled, which com-
plies with the EPA ENERGY STAR® Program. If you prefer to use normal recovery, slide the
switch to the DISABLE position.
Fan
Relay
Heat Relay
or Valve
Cool 24V
Supply
Heat 24V
Supply
Cool
Contactor
Auto Recovery
(SW4)
DISABLE ENABLE
Single-stage Heat Pump System
System Selector
(SW5)
System
Selector
Wallplate
Terminals
Jumper
STD
HP
Fan Option
(SW6)
–
STD HP
Y1
G
Rc
Rh
Y/O
Cool
Mode
W/B
Heat
Mode
OR
X
Fan
Relay
Heat Pump
24V Supply
Reversing
Valve
Compressor
Contactor
Figure 7
Connect to Proper Reversing
Valve Terminal. See Table A
F˚ / C˚ Selection (Fahrenheit / Celcius)
2-wire Heat Only System
Your thermostat is set for F˚ mode from the factory. To change to C˚ mode, follow these steps:
■ Press and hold the Up key.
System
Selector
Wallplate
Terminals
Jumper
■ Use a paper clip to press the reset key.
–
STD HP
Rh
Y/O
W/B
G
Rc
Y1
■ Once all the LCD segments turn on, release the Up key.
X
X
X
X
NOTE: To return to F˚ mode, press the reset key with a paper clip. Do not press any other
keys during the reset process.
Heat 24V or
Heat Relay
or Valve
Millivolt Supply
All programs and settings will be lost when pressing RESET.
OPERATION
3-wire Heat Only System
Setting Day and Time
System
Selector
Wallplate
Terminals
Jumper
■ The LCD will show this information when
M
batteries are first installed, or after the
Reset button is pressed. The temperature
AM
–
STD HP
Rh
Y/O
W/B
G
Rc
Y1
will update after a few seconds.
X
X
X
4
Heat 24V
Supply
Heat Relay
or Valve
Fan
■ During time and day setting mode, the
temperature and program displays will go
blank.
TEMP
Relay
■ Example: Set the Thermostat to the current
time of 2:16 pm on Saturday. Refer to the
Steps below.
3-wire Cool Only System
System
Selector
Wallplate
Terminals
Jumper
STEP 1:
–
STD HP
Rh
Y/O
W/B
G
Rc
Y1
■ Press to enter time and day setting mode.
The current hour and the AM / PM indicator
will be flashing.
M
day/time
X
X
X
AM
Fan
Cool 24V
Supply
Cool
Contactor
Relay
■ Press to change the Hour up or down to the
current hour.
Note the AM / PM indicator, as the display
will change at 12 AM and 12 PM.
X - No Connection
(Continued)
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5
Setting Day and Time (Continued)
Cooling
Day
Program 1
Time
Program 2
Time
Program 3
Time
Program 4
Time
STEP 2:
Monday –
Friday
■ Press again to change from hour setting to
minute setting. The current minute will be
flashing.
M
Temp
Temp
Temp
Temp
day/time
Saturday
Time
Time
Time
Time
PM
Temp
Temp
Temp
Temp
■ Press to change the Minute up or down to
the current minute.
Sunday
Time
Temp
Time
Temp
Time
Temp
Time
Temp
STEP 3:
Revising Programs
■ Press again to change from minute setting
to day setting. The current day will be
flashing.
M
day/time
■ Familiarize yourself with manually changing programs, so that you can easily modify the
programs as your comfort needs change. Follow the steps below to change the program times
and temperatures.
PM
■ Press to change the Day up or down to the
current day.
NOTE: 1) The program time can be set in 10-minute increments.
2) The program temperature can be set in increments of 1˚F (1˚C).
3) After 15 seconds without a key press, the thermostat will return
to normal display mode.
STEP 4:
■ Press again to change back to the
normal display.
SA
4) When setting the program time, note the AM / PM indicator.
day/time
or
PM
2
STEP 1:
hold
system
■ Slide the System Switch to the HEAT or
COOL position to program the correspond-
ing system.
SA
TEMP
heat
/return
off
cool
PM
2
hold
NOTE: You may press
the normal display.
at any time during Day and Time setting to return to
NOTE: If the System Switch is in the OFF
position, the last position used will be
programmed.
/return
TEMP
12 Hr. / 24 Hr. Time Format
STEP 2:
Your thermostat is set from the factory in normal 12 (AM / PM) time format. To change to 24
■ Press to enter program mode. HEAT or COOL
will be displayed on the LCD.
M T W TH F
AM
program
program
hour (military) time, press
at any time while the Hour, Minute, or Day is flashing
to toggle between the 12 hour and 24 hour formats. The AM / PM indicator will not be dis-
played in 24 hour mode. Both the current time and all programs will automatically change to
the selected format.
1
STEP 3:
HEAT
■ The Program hour and AM or PM indicator
are flashing. Press to change the hour.
PROGRAMMING
The following time and temperature settings are pre-programmed into the thermostat:
STEP 4:
Temperature in C˚ (F˚)
■ Press again to change to the minute posi-
tion. The current minute will be flashing.
M T W TH F
AM
program
Program Number
Time
6:00 am
8:00 am
4:00 pm
10:00 pm
Heat
Cool
1
2
3
4
68˚F (20˚C)
60˚F (16˚C)
68˚F (20˚C)
60˚F (16˚C)
78˚F (26˚C)
85˚F (29˚C)
78˚F (26˚C)
82˚F (28˚C)
■ Press to change the minute.
1
HEAT
STEP 5:
■ Press again to change to the program tem-
perature. The current temperature will be
flashing.
M T W TH F
AM
program
■ All 7 days of the week have the same default programs.
Personal Program Schedule
■ Press to change the temperature.
1
■ You can revise the factory programs to match your own schedule. Use this Personal Program
Schedule to determine which times and temperature settings match your comfort and energy
saving requirements. Use a pencil so you can revise your records each time you change your
program settings.
HEAT
STEP 6:
Heating
■ Press again to move to the next program number.
program
Day
Program 1
Time
Program 2
Time
Program 3
Time
Program 4
Time
■ Repeat Steps 3 through 5 to change the remaining Weekday, Saturday, and
Sunday programs. (There are a total of 12 programs.)
Monday –
Friday
Temp
Temp
Temp
Temp
■ After cycling through all 12 programs, press again to return the
display to normal.
Saturday
Time
Temp
Time
Temp
Time
Temp
Time
Temp
program
■ Press at any time to exit the Program Mode.
Sunday
Time
Time
Time
Time
hold
Temp
Temp
Temp
Temp
/return
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6
Reviewing Programs
Filter Monitor
Your thermostat measures the number of hours your heating and cooling system has been in
use. To maximize your system’s performance and energy efficiency, change or clean your filter
regularly.
program
To review your program settings, press
repeatedly to cycle through the programs.
You can also make changes at any time.
■ When the total system runtime for heat
M T W TH F SA SU SET TEMP
and cool reaches 400 hours, the Filter
Change Indicator will flash as a reminder
to check your system’s filter.
AM
System Selector Switch
PM
system
heat
The System Selector switch on the front of the thermostat deter-
mines the operating mode of the thermostat. You may select
COOL, OFF, HEAT.
FILTER
2
■ Press to review total filter usage. After 15
seconds, the display will return to normal
mode, or you can press the HOLD/RETURN
key to exit immediately.
off
COOL TEMP
filter
cool
NOTE: Anytime you install or remove the thermostat from
the wallplate, slide the System Selector to the OFF posi-
tion to prevent the possibility of a rapid system On-Off.
HR
■ After changing or cleaning the system’s
filter, press and hold the Filter Key for 3
seconds. The display will blink, and the
timer will be reset to zero.
Fan Switch
MIN
The Fan switch should normally be located in the AUTO position.
The Fan will be turned on along with normal operation of your
system. In a normal gas or oil furnace, the Fan will be turned on
by your furnace after its warm-up delay. For electric heat, air
conditioning, and heat pump operation, the Fan will turn on
with the system.
fan
auto
on
SPAN Setting Mode
Your thermostat is set at the factory to cycle at 1˚F (0.5˚C) above and below the set tempera-
ture. (Span = 2) This setting has been designed to provide a comfortable room temperature
under most all conditions. However, if you find your system cycling too fast or too slow, then
the Span can be adjusted to modify the cycle time.
To run the Fan on continuously, slide the Fan switch to the ON position.
Temporary Manual Override
■ Press and hold BOTH for three seconds. The
display will flash, and SPAN will be dis-
played on the LCD.
To temporarily change the current set temperature without affecting your program:
■ Press and hold for about 1 second
SET TEMP
to enter Manual Override mode. When
display flashes, you can release the key.
or
■ Press to raise the Span to 3. This setting
INCREASES the cycle time by allowing your
system to run LONGER.
3
COOL TEMP
■ Press again to change to your desired Set
Temperature. Hold the key for 2 seconds to
fast-advance the Set Temperature.
■ Press to lower the Span to 1. This setting
DECREASES the cycle time by causing your
system to run SHORTER.
or
The Span settings remain the same for both HEAT and COOL.
■ Press to return to normal mode, or wait 5
seconds for it to return automatically.
The Span can be changed at any time, and is independent of program times
or temperatures.
SA
hold
/return
When batteries are installed in the thermostat, or the Reset key is pressed, the Span is reset
back to setting 2.
PM
■ The current program number will flash to
signify the Temporary Override.
3
COOL TEMP
■ At the next program change time, the Tem-
porary Override is cancelled, and the next
program temperature becomes the setpoint
temperature.
®
Backlighting (INDIGLO Night-Light)
Your thermostat has an electroluminescent lamp that backlights the display for easy viewing
in the dark.
When any key is pressed or the System Switch is changed, the display is illuminated.
To end the Temporary Manual Override:
The display will remain illuminated for 5 seconds after the last key is pressed. This allows the
light to stay on if you need to operate several keys.
■ Press, then press again. This will return the set temperature to the current
program set temperature.
hold
Note: If the thermostat is in Low Battery warning condition, the backlight will not
operate. Replace with 2 new alkaline batteries to restore the Backlight function.
/return
Permanent Override
Low Battery Warning
To hold your Manual Override for vacation or just an extended period of time:
■ Press to make the current program tem-
Your thermostat has a two-stage low battery warning sys-
tem. When the batteries are first detected to be weak, the
first stage low battery warning is indicated by battery symbol
flashing on the LCD display. At your earliest convenience, you
need to replace the batteries with 2 new AA alkaline batter-
ies.
T
TH
hold
PM
perature the HOLD temperature. HOLD
will be displayed on the LCD, and the
Program number
/return
3
PM
HEAT
TEMP
HOLD
will disappear.
When the batteries become too weak for normal operation,
the thermostat enters the second stage low battery warning
which shuts down the thermostat. In this condition, “BATT”
flashes alone on the display, and the thermostat will turn
your system Off. Your system will remain shut-off until the
batteries are replaced.
TEMP
■ Follow the Temporary Manual Override
instructions above to change the Permanent
Manual Override temperature.
■ You can confirm the held set temperature by
pressing for less than 1 second.
Note: The thermostat will still keep the current time and your programs in memory until
new batteries are installed. After confirming that new batteries have been inserted, the
thermostat will return to normal operation.
To end the Permanent Manual Override:
■ Press again. The thermostat will return to the current program, and the HOLD
display will be canceled.
hold
/return
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7
Auto Recovery
TROUBLESHOOTING
Problem
Hunter’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.
Solution
No Display
1. Check battery connections and batteries.
Auto Recovery calculates how early to turn your system back On, so that the room temperature is
already comfortable by the start of the comfort temperature program period. Auto Recovery
works in both Heat and Cool modes.
2. Press RESET button with a small pin and hold in
for two seconds.
■ When the thermostat is in Auto Recovery mode, the display
will alternate “RECO” with time, and the program indicator
will flash.
Entire Display Dims
1. Replace Batteries
■ Auto Recovery can be disabled by sliding the Recovery
switch on the circuit board.
Program Does Not Change
at your Desired Setting
1. Check that the time is set properly to “AM”
or “PM”.
2
HEAT TEMP
■ Auto Recovery will not operate if Permanent hold or Tempo-
rary hold is in operation.
2. Check that the thermostat is not in Permanent
HOLD mode.
■ Auto Recovery can be canceled manually if
HOLD / RETURN is pressed during the recovery process.
3. Check for the correct day setting.
■ Auto Recovery will be canceled and change to Temporary
Manual Override mode if the setpoint is adjusted during the
recovery process.
Auto Fan Does Not
Turn On Properly
1. Move HG/HE selector to correct position.
Heating or Cooling Does
Not Go On or Off
1. Check that the function switch is in the correct
position (“HEAT” or “COOL”).
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 problem,
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.
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.
If Error Mode returns, please call Hunter Technical support at 1-888-830-1326 for further
information.
6. If your non-heat pump system only uses 4-wires, be
sure the jumper wire is installed between the RC and
RH terminals.
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).
7. Check the position of the System Selector switch:
Standard or Heat Pump.
Note that if your system has malfunctioned and no longer responds to thermostat controls, the
Auto Cut-Off will have no effect.
Erratic Display
1. Press the reset button once with a small pin and hold
for two seconds. Then reprogram.
If unit continues to operate
in the Off position
1. Replace unit.
1. Replace unit.
Thermostat permanently
reads “HI”, “LO”, or “ERR”
If you experience any other problems, call 1-888-830-1326 from 8 AM to 5 PM Central Time
for technical assistance.
Hunter Fan Company
2500 FRISCO AVENUE
®
© 2003 Hunter Fan Company
MEMPHIS, TN 38114
41640-01 07/01/03
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