Introducció
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your ProTech White-Rodgers 1F78-144 Non-Programmable HVAC Thermostat. Please read this manual thoroughly before beginning installation or operation to ensure proper function and safety.

Figura 1: Frontal view of the ProTech White-Rodgers 1F78-144 Non-Programmable Thermostat, displaying current and set temperatures, along with fan and system mode switches.
Configuració i instal·lació
Proper installation is crucial for the optimal performance of your thermostat. If you are unsure about any steps, consult a qualified HVAC technician.
1. Precaucions de seguretat
- Turn off power to the heating and cooling system at the main fuse or circuit breaker panel before beginning installation.
- Ensure all wiring connections are secure to prevent electrical shorts or hazards.
2. Removing Old Thermostat
- Apagueu el sistema HVAC.
- Traieu la coberta del vostre termòstat antic.
- Take a picture of the existing wiring connections for reference.
- Label each wire with the terminal designation it was connected to (e.g., W for Heat, G for Fan, Y for Air Compressor, R for Power).
- Carefully disconnect the wires and remove the old thermostat base from the wall.
3. Muntatge del nou termòstat
- Feed the thermostat wires through the opening in the new thermostat base.
- Secure the thermostat base to the wall using the supplied screws and anchors.
- Ensure the base is level for accurate temperature readings.
4. Connexions de cablejat
Connect the labeled wires to the corresponding terminals on the new thermostat base. Refer to the wiring diagram provided with your unit for specific connections. Common connections include:
- R (or Rh/Rc): 24VAC Power (often red wire)
- W: Heat (often white wire)
- Y: Air Compressor / Cool (often yellow wire)
- G: Fan (often green wire)
- O/B: Heat Pump Reversing Valve (if applicable)
Note: If your system has separate transformers for heating and cooling, ensure the Rh and Rc terminals are connected correctly, or remove any jumper if instructed by your system's wiring diagram.
5. System Type Selection (Gas/Electric)
Locate the Electric/Gas switch inside the thermostat unit. Set this switch according to your heating system type:
- Estableix a ELEC for Heat Pump or electric heat applications.
- Estableix a GAS for gas or oil applications.
6. Instal·lació de la bateria
Your thermostat requires two "AAA" alkaline batteries for operation. These are typically included. To install:
- Open the battery compartment, usually located at the bottom front of the thermostat.
- Insert the two "AAA" batteries, ensuring correct polarity (+ and -).
- Tanqueu el compartiment de la bateria de manera segura.
Note: Some models may have a protective tab to remove before first use.
7. Completing Installation
Once wiring and battery installation are complete, carefully snap the thermostat front cover onto the base. Restore power to your HVAC system at the main fuse or circuit breaker panel.
Instruccions de funcionament
The ProTech White-Rodgers 1F78-144 is a non-programmable thermostat designed for straightforward temperature control.
1. Ajust de la temperatura
- Utilitza el Fletxa amunt botó per augmentar la temperatura establerta.
- Utilitza el Fletxa cap avall botó per disminuir la temperatura configurada.
- La pantalla mostrarà tant la temperatura ambient actual com la temperatura configurada.
2. Configuració del ventilador
The Fan switch controls the blower fan operation:
- ACTIVITAT: El ventilador funciona contínuament, independentment de si el sistema de calefacció o de refrigeració està actiu.
- AUTOMÀTIC: El ventilador només funciona quan el sistema de calefacció o refrigeració està en funcionament. Aquesta és la configuració més comuna i eficient energèticament.
3. Configuració del sistema
The System switch controls the overall mode of your HVAC system:
- GUAI: El termòstat activarà el sistema de refrigeració quan la temperatura ambient superi la temperatura configurada.
- DESACTIVAT: The heating and cooling systems are turned off. The fan can still be operated manually if set to ON.
- CALOR: El termòstat activarà el sistema de calefacció quan la temperatura ambient baixi per sota de la temperatura configurada.
Manteniment
1. Substitució de la bateria
Replace the two "AAA" alkaline batteries annually, or immediately when the low battery indicator appears on the display. To replace:
- Obriu el compartiment de la bateria.
- Traieu les piles velles.
- Insert new "AAA" alkaline batteries, observing correct polarity.
- Tanqueu el compartiment de la bateria.
Note: Always use fresh alkaline batteries. Do not mix old and new batteries, or different types of batteries.
2. Neteja del termòstat
To clean the exterior of your thermostat, gently wipe it with a soft, damp drap. No utilitzeu productes de neteja abrasius ni dissolvents, ja que poden danyar l'acabat o els components interns.
Resolució de problemes
If you experience issues with your thermostat, refer to the following common problems and solutions before contacting a service professional.
| Problema | Causa possible | Solució |
|---|---|---|
| Sense pantalla / Pantalla en blanc | Piles gastades o baixes. | Replace "AAA" batteries. |
| Heating/Cooling System Not Responding |
|
|
| El ventilador no funciona |
|
|
| Lectura de temperatura inexacta | Ubicació del termòstat afectada per corrents d'aire, llum solar directa o fonts de calor. | Ensure thermostat is not exposed to extreme conditions. Consider recalibration if available (check advanced settings in full manual). |
If problems persist after attempting these solutions, contact a qualified HVAC service professional.
Especificacions
| Característica | Detall |
|---|---|
| Marca | ProTech |
| Número de model | 1F78-144 |
| Dimensions del producte | 1.13 "P x 5.13" W x 3.75" H |
| Tipus de controlador | Pulsador |
| Característica especial | Canvi automàtic |
| Color | Blanc |
| Usos específics | Bomba de calor |
| Tipus de control de temperatura | No programable |
| Tecnologia de connectivitat | Amb cable |
| Components inclosos | 2 piles AAA Energizer |
| Font d'alimentació | Funciona amb bateria |
| Pes de l'article | 0.32 unces (9.07 g) |
| Voltage | 1 mil·livolts |
| Material | Metall, plàstic |
| Tipus de visualització | LCD |
| Llum de fons | Sí |
| Tipus de muntatge | Muntatge de paret |
| UPC | 662766328639 |
Garantia i Suport
Specific warranty information for the ProTech White-Rodgers 1F78-144 Thermostat is not detailed in the provided product data. Please refer to the product packaging or contact ProTech customer service for warranty details and support inquiries.
Per obtenir més ajuda, visiteu el ProTech Store on Amazon.





