1. Introducció
This manual provides detailed instructions for the installation, operation, and maintenance of your KING ES230-R MAX22 Electronic Line Voltage Non-Programmable Thermostat. Please read all instructions carefully before installation and use to ensure proper function and safety.
2. Informació de seguretat
- ADVERTIMENT: Risk of electrical shock. Disconnect power at the main service panel before installation or servicing.
- La instal·lació ha de ser realitzada per un electricista qualificat d'acord amb tots els codis elèctrics locals i nacionals.
- Do not use this thermostat with loads exceeding its specified rating (22 Amps MAX).
- Assegureu-vos que totes les connexions del cablejat estiguin segures i aïllades correctament.
- Aquest termòstat està dissenyat per a vol de líniatage electric heating systems only.
3. Configuració i instal·lació
The KING ES230-R MAX22 thermostat is designed for 3-wire installation, compatible with 208V/240V electric heating systems. It features a shallow design for easier wiring within standard electrical boxes.
3.1 Esquema de cablejat
Refer to the diagram provided with your thermostat for specific wiring connections. Generally, it involves one line wire, one load wire, and a third small wire to power the electronic display. Ensure correct polarity and secure connections.
3.2 Muntatge
This thermostat is designed for wall mount installation. Secure the thermostat base to a standard electrical box using the provided screws. Ensure the unit is level for optimal appearance.

Davant view of the KING ES230-R MAX22 Electronic Line Voltage Non-Programmable Thermostat, showing its digital display with a temperature reading of 70 degrees and the up/down control buttons.
4. Instruccions de funcionament
The ES230-R MAX22 thermostat offers simple, manual temperature control with a clear digital display.
4.1 Configuració de la temperatura
- Utilitza el Amunt (▲) i Avall (▼) arrow buttons located below the display to adjust the desired temperature.
- The thermostat will maintain the set temperature within a narrow range, thanks to its 3-minute cycle rate, which helps reduce temperature swings.
4.2 Característiques de visualització
- Comfort Color Backlight: The digital display features a backlight that changes color based on the ambient temperature. It appears blue at 65°F and red at 75°F, with varying colors in between, providing a quick visual indicator of the room's temperature.
- System On/Off Switch: A dedicated switch allows you to turn the heating system on or off.
- Display Illumination On/Off: You can control the illumination of the display independently using a separate switch, useful for bedrooms or areas where constant light is undesirable.
Official product video demonstrating the features and operation of the KING MAX22 Electronic Thermostat, including its 22 Amp rating and display functionalities.
5. Manteniment
The KING ES230-R MAX22 thermostat requires minimal maintenance. It contains no user-serviceable parts. For cleaning, gently wipe the exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the thermostat is kept free from dust and debris to maintain optimal performance.
6. Solució De Problemes
- Sense pantalla/Sense alimentació: Check the circuit breaker for the heating system. Ensure all wiring connections are secure. Verify the third small wire is correctly connected to power the display.
- Lectura de temperatura incorrecta: Ensure the thermostat is not exposed to direct sunlight, drafts, or heat sources that could affect its sensor. Allow time for the thermostat to acclimate to the room temperature after installation.
- El sistema de calefacció no respon: Confirm the system On/Off switch is in the 'On' position. Check the set temperature to ensure it is above the current room temperature. If issues persist, consult a qualified electrician.
7. Especificacions
| Característica | Especificació |
|---|---|
| Marca | REI |
| Nom del model | MAX22 |
| Número de part | ES230-R |
| Voltage | 208V/240V |
| Amperage (Max) | 22 Amps |
| Wattage (màxim) | 5280 Watts (240V) |
| Cablejat | Instal·lació de 3 fils |
| Tipus de control de temperatura | Manual |
| Tipus de visualització | Digital LCD with Comfort Color Backlight |
| Tipus de muntatge | Muntatge de paret |
| Dimensions del producte | 3 x 1.25 x 5 polzades |
| Pes de l'article | 11.2 unces |
8. Garantia
The KING ES230-R MAX22 Electronic Line Voltage Non-Programmable Thermostat comes with a Garantia limitada d'1 any. Please retain your proof of purchase for warranty claims. For detailed warranty terms and conditions, refer to the documentation included with your product or contact KING customer support.
9. Suport
For technical assistance, troubleshooting, or warranty inquiries, please contact KING customer support. Visit the official KING weblloc web per obtenir informació de contacte i recursos addicionals.





