Page 2 - GUIDE CONTENTS; WARNING
2 GUIDE CONTENTS Preparations ................................................. 3Thermostat details ........................................ 4Removal of your old thermostat.................... 5Mounting and wiring your new thermostat .. 10Checking thermostat operation................... 12 Programmi...
Page 3 - Check package contents
3 1. PREPARATIONS 1.1 Check package contents This package should contain the following items:• Thermostat• Mounting screws and wall anchors (x2)• 2 AAA batteries• Terminal wire label stickers• Installation instructions 1.2 Gather tools Required tools:□ Flat-head Screwdriver □ Small pliers (needle-no...
Page 5 - REMOVING OLD THERMOSTAT; changing the temperature on your old thermostat.; or
5 3. REMOVING OLD THERMOSTAT 3.1 Turn off power To prevent electrical shock and/or equipment damage, disconnect electrical power to the system at the main fuse or circuit breaker box, or by flipping a switch at the air handler. Do not restore power until installation is complete. WARNING ! To ensure ...
Page 6 - Remove the old thermostat cover; released by using a screwdriver.; CAUTION
6 3.2 Remove the old thermostat cover Remove the old thermostat’s front cover from the wall base. Some covers pull of easily, while others may need to be released by using a screwdriver. 3.3 Label wires Tip: Taking a picture with a camera or smartphone can help you not only remember how wires are co...
Page 7 - Terminal labeling reference chart
7 Terminal labeling reference chart If your current terminal has the following letter Label the wires with the following letters Terminal function RH, R, R5, 5 RH 24V Power (Heating) RC RC 24V Power (Cooling) W, W1, 4 W Heating Relay Y, Y1 Y Cooling Relay G G Fan Relay O O Reversing Valve (for heat ...
Page 8 - Identify jumper wire
8 3.4 Identify jumper wire For terminal RC and RH: On your old thermostat, if… Then, on your new thermostat… Terminal RC and RH are connected with a jumper wire Leave the jumper wire in its place There’s only one R wire (RC, RH, R or R5) coming out of the wall Leave the jumper wire in its place Term...
Page 9 - Remove old thermostat base
9 3.5 Remove old thermostat base With all of your wires disconnected and properly labeled, you may now safely remove the thermostat base from your wall. Tip: Worried about having your wires falling into your wall? Keep the wires secure by wrapping the them around a pencil.
Page 10 - thermostat base to the wall, if necessary.
10 4. MOUNTING AND WIRING YOUR NEW THERMOSTAT 4.1 Install new thermostat base Mount your new thermostat base using the supplied screws. Drill holes and insert wall anchors to secure the thermostat base to the wall, if necessary.
Page 11 - Connect wires to corresponding terminal blocks; Set switch and advanced wiring
11 4.2 Connect wires to corresponding terminal blocks Match each labeled wire to it’s corresponding terminal on the mounted thermostat base. Insert each labeled wire into the hole of it’s matching terminal, and using the screwdriver, tighten the screw on the terminal block securely. Take care when s...
Page 14 - high speed, followed by cold air circulation
14 5.2 Cooling system To prevent compressor and/or property damage, if the outdoor temperature is below 50°, DO NOT operate the cooling system CAUTION ! This thermostat has a time delay between cooling cycles to allow the head pressure in the compressor to stabilize. If the temperature is adjusted t...
Page 16 - PROGRAMMING YOUR THERMOSTAT; and press until the cover snaps onto the base.; The thermostat buttons and switches; HOLD button. Press HOLD to bypass the
16 6. PROGRAMMING YOUR THERMOSTAT Before you begin programming your thermostat, you should be familiar with its features and with the display and the location and operation of the thermostat buttons. Your thermostat consists of two parts: the thermostat cover and the base. To remove the cover, pull ...
Page 18 - Indicates day of the week.; “HOLD” is displayed when the thermostat is in the HOLD mode.
18 6.2 The display Indicates day of the week. Flame icon ( ) is displayed when the SYSTEM switch is in the HEAT position. Snowflake icon ( ) is displayed (non-flashing) when the SYSTEM switch is in the COOL position. Snowflake is displayed (flashing) if the thermostat is in lockout mode to prevent...
Page 20 - Operating features
20 6.3 Operating features Now that you are familiar with the thermostat buttons and display, read the following information to learn about the many features of the thermostat.• SIMULTANEOUS HEATING/COOLING PROGRAM STORAGE — When programming, you can enter both your heating and cooling programs at th...
Page 22 - Programming your thermostat; vacant or during periods of low activity.
22 • DISPLAY BACKLIGHT — (Not available on earlier models.) The display backlight improves display contrast in low lighting conditions. Selecting backlight ON will turn the light on for a short period of time after any button is pressed. Selecting backlight OFF (default) will keep the light off. Tur...
Page 23 - to get an idea of how the thermostat can be programmed.
23 If you want to change the preprogrammed times and temperatures, follow these steps. Determine the time periods and temperatures for your weekday and weekend programs. You must program four periods for both the weekday and weekend program. However, you may use the same heating and cooling tem- per...
Page 24 - SAMPLE
24 6 Enter Heating Program Enter Heating Program Enter Heating Program Enter Heating Program Enter Heating Program 1. Move the SYSTEM switch to HEAT HEAT HEAT HEAT HEAT. 2. Press PRGM once. “MO TU WE TH FR MO TU WE TH FR MO TU WE TH FR MO TU WE TH FR MO TU WE TH FR” (indicating week- day program) wi...
Page 26 - Entering your program
26 Entering your program Follow these steps to enter the heating and cooling programs you have selected.Set current time and day1. Press TIME button once. The display will show the hour only. EXAMPLE: PM 2. Press and hold either or until you reach the correct hour and AM/PM designation (AM begin...
Page 29 - Check Your Programming; Enter cooling program
29 If the outside temperature is below 50° F, disconnect power to the cooling system before programming. Energizing the air conditioner compressor during cold weather may cause personal injury or property damage. CAUTION ! 1. Move SYSTEM switch to COOL position.2. Follow the procedure for entering y...
Page 31 - thermostat by pressing,
31 8. TROUBLESHOOTING Reset OperationIf a voltage spike or static discharge blanks out the display or causes erratic thermostat operation you can reset the thermostat by pressing, , and TIME at the same time. This also resets the factory defaults to the configura- tion menu and program. If the t...
Page 36 - other reproductive harm.
36 CONTACT US Customer support: 877.654.9394 or [email protected] MERCURY NOTICE This product does not contain mercury. However, this product may replace a product that contains mercury.Mercury and products containing mercury must not be discarded in household trash. Refer to thermostat-recycle.org ...