Introdución
This manual provides essential information for the safe and efficient operation of your Bosch KIR21NSE0 Series 2 Built-in Refrigerator. Please read these instructions carefully before installation and use, and keep them for future reference. This appliance is designed for domestic use only.

Figure 1: The Bosch KIR21NSE0 built-in refrigerator seamlessly integrated into a contemporary kitchen cabinet, showcasing its design and how it appears when installed.
Información de seguridade
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and injury. Keep this appliance away from heat sources and direct sunlight. Ensure proper ventilation around the unit. Do not store explosive substances such as aerosol cans with a flammable propellant in this appliance. Do not use mechanical devices or other means to accelerate the defrosting process, other than those recommended by the manufacturer.
- Seguridade eléctrica: Asegúrese de que a fonte de alimentación coincida co voltage specified on the rating plate. Do not use extension cords or multiple socket adapters.
- Instalación: A instalación debe ser realizada por unha persoa cualificada de acordo coa normativa local.
- Nenos: Manteña os nenos lonxe dos materiais de embalaxe. Supervise os nenos para asegurarse de que non xoguen co aparello.
- Limpeza: Desconecte o aparello da fonte de alimentación antes da limpeza ou mantemento.
Configuración e instalación
The Bosch KIR21NSE0 is a built-in refrigerator designed for integration into kitchen cabinetry. Proper installation is crucial for optimal performance and energy efficiency.
Dimensions and Ventilation Requirements
Refer to the diagram below for precise dimensions and ventilation guidelines. Adequate air circulation is essential for the appliance to function correctly and prevent overheating.
- Dimensións do produto (P x A x A): 54.8 cm x 54.1 cm x 87.4 cm
- Dimensións do nicho: Height 88 cm, Width 56 cm
- Entrada de aire: Minimum 200 cm²
- Saída de aire: Minimum 200 cm²

Figure 2: Installation diagram illustrating the refrigerator's dimensions and necessary ventilation spaces for proper air circulation. This includes measurements for depth, width, height, and recommended air inlet and outlet areas.
Reversibilidade da porta
The door hinge is reversible, allowing you to change the opening direction to suit your kitchen layout. Consult a qualified technician for this procedure.
Instrucións de funcionamento
Your Bosch KIR21NSE0 refrigerator is equipped with advanced features to ensure optimal food preservation.
Control de temperatura
The refrigerator features electronic temperature control with LED display. The recommended temperature setting for general use is 4°C.

Figure 3: Close-up of the electronic control panel, showing temperature settings from 2°C to 8°C and the Super Cooling function button.
- Press the temperature setting button to cycle through available temperature options.
- The selected temperature will be indicated by the illuminated LED.
Función Super Cooling
Activate the Super Cooling function when adding a large quantity of fresh food to the refrigerator. This rapidly lowers the internal temperature to quickly cool new items and protect existing food from warming up.
- Press the "Super" button on the control panel.
- The function will automatically deactivate after approximately 6 hours or when the desired temperature is reached.
EcoAirflow System
The EcoAirflow system ensures uniform temperature and humidity distribution throughout the refrigerator compartment. This helps to maintain food freshness for longer periods by preventing temperature fluctuations.

Figura 4: View of the refrigerator interior, highlighting the EcoAirflow feature and demonstrating typical food storage on glass shelves.
MultiBox XXL Drawer
The MultiBox XXL drawer with a wavy bottom is specifically designed for storing fruits and vegetables. The design helps to protect delicate produce and maintain optimal humidity levels, extending freshness.

Figure 5: The MultiBox XXL drawer, shown filled with various fruits and vegetables, illustrating its capacity and design for produce storage.
Iluminación Interior
The refrigerator is equipped with energy-efficient LED lighting, providing uniform and glare-free illumination of the interior compartment.
Mantemento
Regular maintenance ensures the longevity and efficient operation of your appliance.
Limpeza
- Desenchufe sempre a neveira antes de limpala.
- Limpar as superficies interiores e exteriores cun pano suave e unha solución de deterxente suave.
- Avoid abrasive cleaners, solvents, or harsh chemicals.
- Wipe door seals regularly to ensure a tight seal.
- Clean the MultiBox XXL drawer and glass shelves with warm soapy water.
Descongelación automática
The refrigerator compartment features an automatic defrost system. Frost will melt automatically and the defrost water will evaporate. No manual defrosting is required for the refrigerator section.
Resolución de problemas
Antes de contactar co servizo de atención ao cliente, review os seguintes problemas comúns e as súas posibles solucións.
| Problema | Causa posible | Solución |
|---|---|---|
| O frigorífico non arrefría | Poder outage; plug not inserted; temperature set too high. | Check power supply; ensure plug is secure; lower temperature setting. |
| Ruído excesivo | O aparello non está nivelado; os obxectos tocan a parede traseira. | Adjust leveling feet; ensure nothing is touching the compressor or walls. |
| Water on the bottom of the refrigerator | Defrost drain blocked. | Clear the defrost drain hole (usually located at the back of the interior). |
| A porta non se pecha correctamente | Door seal dirty or damaged; shelves obstructing closure. | Clean or replace door seal; rearrange contents. |
Especificacións
Key technical specifications for the Bosch KIR21NSE0 refrigerator.
| Característica | Detalle |
|---|---|
| Nome do modelo | KIR21NSE0 |
| Marca | Bosch |
| Tipo | Built-in Refrigerator (without freezer) |
| Capacidade total | 136 litros |
| Clase de eficiencia enerxética | E (nunha escala de A a G) |
| Consumo Enerxético Anual | 92 kWh/ano |
| Nivel de ruído | 35 dB(A) re 1 pW |
| Dimensións (D x W x H) | 54.8 cm x 54.1 cm x 87.4 cm |
| Tipo de instalación | Integrado |
| Sistema de desconxelación | Automatic (refrigerator compartment) |
| Características especiais | MultiBox XXL, EcoAirflow, Super Cooling, LED lighting, Reversible door hinge |
| Voltage | 220 voltios |
| Tipo de enchufe | Tipo C/EF - 2 pines (híbrido EU/FR-DE) |
| Número de estantes | 3 (tempered glass, 2 adjustable) |
| Compoñentes incluídos | 3 egg trays |
Garantía e Soporte
Para obter información sobre a garantía e a asistencia ao cliente, consulte a tarxeta de garantía incluída co seu electrodoméstico ou visite o sitio web oficial de Bosch. websitio. Garde o recibo da compra como proba de compra para calquera reclamación de garantía.
Atención ao cliente de Bosch: For technical assistance, spare parts, or service appointments, please contact your local Bosch service center. Contact details can typically be found on the Bosch official websitio web ou na documentación que se inclúe co aparello.