Emerson NP110 Non-Programmable Single Stage Thermostat User Manual

Table of Contents

1. Package Contents
2. Installation
3. Setting the Temperature
4. Enabling the Backlight
5. Switching Between Fahrenheit and Celsius
6. Troubleshooting
7. Frequently Asked Questions

1. Package Contents

• Emerson NP110 Thermostat
• Mounting hardware (two screws and wall anchors)
• Terminal wire label stickers
• Installation instructions and user guide
• Two AAA batteries

2. Installation

1. Turn off power to your heating and cooling system at the main fuse or circuit breaker box.
2. Remove the existing thermostat cover to expose the wiring.
3. Label each wire with the provided terminal wire label stickers according to the terminal it is connected to.
4. Disconnect the wires from the old thermostat.
5. Remove the old thermostat base from the wall.
6. Position the new Emerson NP110 thermostat base on the wall and mark the mounting holes.
7. Drill holes and insert the provided wall anchors, if necessary.
8. Attach the thermostat base to the wall using the provided screws.
9. Connect the labeled wires to the corresponding terminals on the new thermostat base.
10. Insert the two AAA batteries into the thermostat.
11. Attach the thermostat cover to the base.
12. Turn the power back on to your heating and cooling system.

3. Setting the Temperature

1. Set the SYSTEM switch to HEAT or COOL, depending on your desired mode.
2. Use the UP and DOWN buttons to adjust the temperature to your desired setting.
3. The thermostat will maintain the set temperature within +/- 1°F.

4. Enabling the Backlight

1. Set the SYSTEM switch to HEAT position.
2. Press UP and DOWN at the same time for two seconds. The display will alternately show "-L" and "FF" (off).
3. Press UP or DOWN to change "FF" to "ON".
4. Move SYSTEM switch to OFF to exit the feature.

5. Switching Between Fahrenheit and Celsius

1. Locate the jumper wire on the thermostat's Printed Circuit Board (PCB).
2. Cut the jumper wire to switch the temperature display to Celsius.
3. To switch back to Fahrenheit, reconnect the jumper wire.

6. Troubleshooting

• If the thermostat is not functioning properly, check that the batteries are inserted correctly and replace them if necessary.
• Ensure that the thermostat is properly connected to the heating and cooling system and that the power is turned on.
• Verify that the wires are connected to the correct terminals on the thermostat base.

7. Frequently Asked Questions

Is this thermostat compatible with multi-stage systems or 120/240-Volt electric baseboard systems?

No, the Emerson NP110 is only compatible with single-stage heating, cooling, and heat pump (without auxiliary) systems, as well as millivolt systems.

Does the thermostat have a backlight?

Yes, but it needs to be enabled following the instructions provided in section 4 of this user manual. The backlight will turn on for a short period of time after any button is pressed.

Can I switch the temperature display between Fahrenheit and Celsius?

Yes, you can switch between Fahrenheit and Celsius by cutting or reconnecting a jumper wire on the thermostat's Printed Circuit Board (PCB), as described in section 5 of this user manual.

What is the warranty on this thermostat?

The Emerson NP110 thermostat comes with a 3-year limited warranty.

Q: What type of thermostat is the Emerson NP110?
A: The Emerson NP110 is a non-programmable single-stage thermostat.

Q: What systems is the Emerson NP110 compatible with?
A: The Emerson NP110 is compatible with single-stage heating, cooling, and heat pump (without auxiliary) systems, as well as millivolt systems.

Q: What systems is the Emerson NP110 incompatible with?
A: The Emerson NP110 is not compatible with multi-stage gas, oil, electric systems, line voltage (110V / 220V baseboard heating) systems, and proprietary/communicating systems.

Q: Does the Emerson NP110 have precise temperature control?
A: Yes, the Emerson NP110 has precision temperature accuracy of 1 degree Fahrenheit.

Q: Does the Emerson NP110 have a backlight display?
A: Yes, the Emerson NP110 has an easy-to-read display with backlight.

Q: What is included in the box when purchasing the Emerson NP110?
A: The package includes the thermostat, mounting hardware (two screws and wall anchors), terminal wire label stickers, installation instructions, user guide, and two AAA batteries.

Q: Does the Emerson NP110 require a C wire?
A: No, the Emerson NP110 does not require a C wire.

Q: Does the Emerson NP110 work with two wires?
A: Yes, the Emerson NP110 will work with two wires.

Q: Is there a warranty for the Emerson NP110?
A: Yes, the Emerson NP110 is backed by a 3-year limited warranty.

Q: Can this thermostat be used for gas furnace only?
A: Yes, it can be used for gas furnace only.

Q: How do you turn on the display backlight for the Emerson NP110?
A: To turn on the display backlight for the Emerson NP110, set the SYSTEM switch to HEAT position and press UP and DOWN at the same time for two seconds. The display will alternately show “-L” AND “FF” (off). Press UP or DOWN to change “FF” to “ON”. Move SYSTEM switch to OFF to exit the feature.