Folasaga
This manual provides comprehensive instructions for the installation, operation, and maintenance of your Emerson 1E78-140 Non-Programmable Heat Only Thermostat. Please read this manual thoroughly before installation and use to ensure proper function and safety.
The Emerson 1E78-140 is designed for use with most single-stage heat-only systems, including 24-volt and millivolt systems. It is not compatible with electric baseboard heat or certain other systems.
Seti ma Fa'apipi'i
Meafaigaluega Manaomia
- Si'uolou
- vili (pe a mana'omia ni pu fou)
- Fa'alava uaea (pe a mana'omia)
Aveʻese Lau Old Thermostat
- Turn off power to your heating system at the main fuse or circuit breaker panel.
- Ave'ese le ufiufi o lou vai tuai.
- Take a photo of the existing wiring connections for reference.
- Disconnect the wires from the old thermostat terminals, noting which wire was connected to each terminal.
- Remove the old thermostat base from the wall.
Fa'amauina le Thermostat Fou
- Separate the front cover from the thermostat base.
- Position the new thermostat base on the wall. Use the provided screws and anchors to secure it.
Uaea
Taua: Ensure power is off before wiring. This thermostat is for 2-wire heat-only systems. Connect wires only to R and W terminals.
Refer to the wiring diagram below. Identify each wire attached to the old thermostat by taking a photo of old wiring.
Image: Wiring diagram for the Emerson 1E78-140 thermostat. It illustrates connections for 2-wire heat-only systems to R and W terminals. The image also shows two AAA Energizer batteries and various mounting screws and anchors included with the thermostat. A caution notice regarding battery life and freeze hazard is visible.
- Connect the wire from your heating system's R terminal to the R terminal on the thermostat.
- Connect the wire from your heating system's W terminal to the W terminal on the thermostat.
Fa'apipi'i ma'a
The thermostat requires two AAA batteries for operation. Install the batteries into the compartment located on the back of the thermostat, observing the correct polarity (+/-).
Ata: Luma view of the Emerson 1E78-140 thermostat. The digital display shows "70" as the current temperature. To the right of the display are two gray buttons for adjusting the temperature up and down. Below the Emerson logo, a system switch is visible, set to "OFF HEAT".
After wiring and battery installation, attach the thermostat front cover to the base.
Turn on power to your heating system at the main fuse or circuit breaker panel.
Fa'atonuga o Galuega
Suiga Faiga
The system switch is located on the front of the thermostat. It has two positions:
- ESE: Turns the heating system off.
- VAVE: Activates the heating system to maintain the set temperature.
Fa'atulagaina o le vevela
Use the Up (▲) and Down (▼) buttons located next to the digital display to adjust your desired temperature setting. The thermostat will maintain this temperature with a precision of plus/minus 1 degree Fahrenheit.
Molī tua
The digital display features a backlight for improved visibility, especially in low-light conditions. The backlight activates when buttons are pressed.
Tausiga
Suiga maa
When the "Change Battery" indicator (a battery icon) is displayed on the screen, the batteries have limited remaining life and should be replaced soon. The system will not operate with dead batteries.
- Aveese le tapuni fa'amau.
- Aveese maa tuai AAA.
- Insert two new AAA alkaline batteries, ensuring correct polarity.
- Suia le ufiufi o le vevela.
Fa'amamaina
Fa'amama le fa'amalo i se mea malu, oamp ie. Aua ne'i fa'aogaina ni mea fa'amama fa'afefete po'o ni solu.
Fa'afitauli
| Fa'afitauli | Mafuaaga e ono tupu | Fofo |
|---|---|---|
| E avanoa pe faanenefu. | Pepe pe maualalo maa. | Suia maa AAA e lua. |
| E le kilia le faiga fa'avevela. |
|
|
| "Change Battery" icon displayed. | Malosi maa maualalo. | Replace the two AAA batteries promptly. |
Fa'amatalaga
| Fa'aaliga | Fa'amatalaga |
|---|---|
| Fa'ailoga | Emerson |
| Numera Fa'ata'ita'i | 1E78-140 |
| Ituaiga Pule | Oomi Faamau |
| Fa'apitoa Fa'apitoa | Fa'aaliga vevela |
| Ituaiga Pulea vevela | Tusi Lesona |
| Fa'aaofia Vaega | Thermostat, Temperature Sensor |
| Punavai Malosi | Electric (2 AAA batteries for display/control) |
| Voltage | 24 Volts (for system operation) |
| Fa'aaliga Ituaiga | LED |
| Metotia Pulea | Pa'i (fa'amau) |
| Ituaiga Fa'amau | Mauga puipui |
| Sitaili | Faafuainumera |
| Molī tua | Ioe |
| Fegalegaleaiga | Ole tele o nofofuatage heat-only systems (24V and millivolt). Not compatible with electric baseboard heat. |
| Sa'o | +/- 1 degree F |
Ata: O se itu view of the Emerson 1E78-140 thermostat, held in a hand for scale. The image indicates the thermostat's height is 5.5 inches (14 cm).
Fa'amatalaga Fa'amaonia
Specific warranty details for the Emerson 1E78-140 thermostat are typically provided with the product packaging or can be obtained directly from the manufacturer, Emerson. Please refer to the documentation included in your product box or visit the official Emerson webnofoaga mo tuutuuga ma aiaiga sili ona lata mai.
Lagolago Tagata Fa'atau
For technical assistance, troubleshooting beyond this manual, or inquiries regarding your Emerson 1E78-140 thermostat, please contact Emerson customer support. Contact information can usually be found on the product packaging or on the official Emerson webnofoaga.
