Selector Switches (See Figure 6)
Use the switches on the back of the thermostat and in the remote control to match the thermostat to your system (either gas or electric), choose between temperature readout (either Fahrenheit or Celsius), and set the remote control address.
•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.
NOTE: “HG” position is for gas and most other systems. “HE” position is for certain electric systems having a fan relay.
•F° / C° selector (Fahrenheit / Celsius)
Your thermostat is set for F° mode from the factory. In order to change to C° mode, slide the switch to C° and press the reset button on front of the thermostat with a paper clip.
NOTE: Unless the reset button is pressed, the thermostat will not change temperature mode.
•Remote Control Address
Use a pin to configure the four Remote Control Address switches.
NOTE: Write down the address to which you configure these switches, as you will have to configure the Remote Control to the same address.
Temperature | | | |
Display | Remote Control |
(SW4) | Address | | |
| (SW5) A0 | 1 2 | ON |
| A1 |
| A2 | 3 4 | DIP |
| A3 |
Fan Option (SW3)
Figure 6
Remove the battery compartment Cover from the back of the remote control. See Figure 7. Use a pin to configure the four remote control Address switches to same address you gave to the thermostat.
Figure 7
OPERATION
Start-up
The LCD will show the factory default display of 70°F (21°C) when batteries are first installed, or after the Reset button is pressed.The temperature will update after a few seconds.
System Selector Switch
The System Selector switch on the front of the thermostat determines the operating mode of the thermostat. You may select COOL, OFF, HEAT.
NOTE: Anytime you install or remove the thermostat from the wallplate, slide the System Selector to the OFF position to prevent the possibility of a rapid system On-Off.
Fan Switch
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 and air conditioning operation, the Fan will turn on with the system.
To run the Fan on continuously, slide the Fan switch to the ON position.
Form No. 41970-01 Rev 4/4/2006
Setting New Temperature
•Press either the up or down key and hold for longer than 1 second.
•The display will flash to show that you are
in Set Temperature mode, then you can release the key.
•Press either up or down again to change to your desired Set Temperature. Hold the key down for over 2 seconds to fast-advance the Set Temperature.
Filter Monitor
The thermostat counts the number of hours your system’s filter has been in use. To maximize your system’s performance and energy efficiency, change or clean your filter regularly.
When the total system run time for heat and cool reaches 400 hours, the Filter Change Indicator will flash as a reminder to check your system’s filter.
After changing or cleaning the system filter, press and hold the Filter key for 3 seconds. The display will blink, and the counter will be reset to zero.
NOTE: Pressing the Filter key at any time for less than 3 seconds will cause the Filter Change Indicator to appear on the LCD. This is only to confirm key operation, and the counter is not affected unless the key is held for greater than 3 seconds.
SPAN Setting
Your thermostat is set at the factory to cycle at 1°F (0.5°C) above and below the set temperature. (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.
•Press and hold BOTH for three seconds. The dis- play will flash, and SPAN will be displayed on the LCD.
•Press to raise the Span to 3.This setting INCREASES the cycle time by allowing your system to run LON- GER.
•Press to lower the Span to 1. This setting DE- CREASES the cycle time by causing your system to run SHORTER.
The Span settings remain the same for both HEAT and COOL, and can be changed in any System Switch position.
When batteries are installed in the thermostat, or the Reset key is pressed, the Span is reset back to setting 2.
Low Battery Warning
Your thermostat has a two-stage low battery warning system. 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 batteries.
When the batteries become too weak for nor- mal 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.
NOTE: The thermostat will still keep the current Set Temperature and Filter run time in memory until new batteries are installed. After confirming that new batteries have been inserted, the thermostat will return to normal operation.
Error Mode
If the thermostat is unable to control your sys- tem due to an unexpected battery problem, the thermostat will enter Error Mode. In this condition, the thermostat flashes “Er” 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.
If Error Mode returns, please call Technical Support at 1-888-830-1326 for further information.
Remote Operation
You can use the remote control (12 volt battery not included) that came with your thermostat to adjust the temperature setting. Press the “+” side of the remote button to raise the setting one degree, and press it twice to raise the setting two degrees. The “+” side of the button will glow red each time you press it. Press the “–” side of the remote button to lower the setting one degree, and press it twice to lower the setting two degrees. The “–” side of the button will glow blue each time you press it. See Figure 8.
Raises Setting 
Lowers Setting 
Figure 8
NOTE: You can not change your thermostat’s setting by more than two degrees in either direction by using the remote control. If you change the setting by two degrees, you must wait until the room temperature arrives at the new setting before you adjust the setting again with the remote control.
Auto Cut Off
Your thermostat will automatically cutoff in Heat mode if the room temperature rises above 95°F (35°C). It will cutoff in Cool mode if the room temperature drops below 45°F (7°C).
Note that if your system has malfunctioned and no longer responds to ther- mostat controls, the Auto Cut-Off will have no effect.
TROUBLESHOOTING
Problem | | | |
No Display. | 1. Check battery connections and batteries. |
| 2. Press RESET button with a small pin and hold in for |
| | two seconds. |
| | | |
Entire Display | 1. | Replace Batteries. |
Dims. | | | |
Auto Fan Does Not | 1. Move HG/HE selector to correct position. |
Turn On Properly. | | | |
| | | |
Heating or Cooling | 1. | Check that the function switch is in the correct posi- |
Does Not Go On | | tion (“HEAT” or “COOL”). |
or Off. | 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 prop- |
| | erly. |
| 6. | If your system only uses 4-wires, be sure the jumper |
| | wire is installed between the Rc and Rh terminals. |
Thermostat does | 1. | Replace the batteries in the remote control. |
not respond to | 2. | Ensure the Remote Control Address switches in the |
Remote Control | | thermostat and the remote control are set to the same |
| | adress. |
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| | 2500 FRISCO AVENUE |
| ® | MEMPHIS, TN 38114 |
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