

RIGID HVAC CO., LTD

Wall Mounted Refrigeration Unit
Monoblock inverter unit / Wall mounted cooler / Cold room monoblock / Refrigeration unit for cold room and freezer room.
RIGID wall-mounted monoblocks (-40℃ ~ -5℃) contain both the condensing and evaporating units in the same construction, usually sitting side by side.
- 220V~240V / 50Hz~60Hz
- Natural refrigerant: R404a/R448a/R449a
- Power capacity: 1HP ~ 4HP (up to 34,000Btu)
- Utilizes Sanyo DC Inverter compressor
- Digital controller and temperature display
- Double defrosting: Hot freon gas + electric heating
Features
Integrated Design
The unit combines both the condensing and evaporator unit into a single, compact system. This integrated design eliminates the need for on-site piping, vacuuming, or refrigerant charging, making installation quicker and simpler.
Energy Efficient
The monoblock units use variable speed compressor (Sanyo inverter). This allows the unit to adjust cooling capacity according to the demand, leading to energy savings by using only the necessary power.
Hot Gas Defrosting
RIGID Monoblock refrigeration units use reverse cycle hot gas defrosting to efficiently melt ice build-up on the evaporator coils. This defrost method is energy-efficient and reduces downtime by preventing excessive ice formation during operation.
Product Model
Wall-mounted Monoblock refrigeration unit / Uniblock cold room refrigeration unit / Ceiling-mounted condensing unit and evaporator in one.

Inverter Monoblock Refrigeration Unit - 1HP
RG-BYTCN10EL
- Cooling Capacity: 1 HP
- Refrigerant: R404a/R448a/R449a
- Ambient Temperature: -7°C to 43°C
- Defrost: Reverse cycle hot gas defrost
- Power Supply: 220V~240V/50Hz or 220V/60Hz
- Application Range:
- HBP (+2°C to +8°C)
- MBP (-5°C to +5°C)
- LBP (-15°C to -40°C)

Inverter Monoblock Refrigeration Unit - 2HP
RG-BYTCN20EL
- Cooling Capacity: 2 HP
- Refrigerant: R404a/R448a/R449a
- Ambient Temperature: -7°C to 43°C
- Defrost: Reverse cycle hot gas defrost
- Power Supply: 220V~240V/50Hz or 220V/60Hz
- Application Range:
- HBP (+2°C to +8°C)
- MBP (-5°C to +5°C)
- LBP (-15°C to -40°C)

Inverter Monoblock Refrigeration Unit - 3HP
RG-BYTCN30EL
- Cooling Capacity: 3 HP
- Refrigerant: R404a/R448a/R449a
- Ambient Temperature: -7°C to 43°C
- Defrost: Reverse cycle hot gas defrost
- Power Supply: 220V~240V/50Hz or 220V/60Hz
- Application Range:
- HBP (+2°C to +8°C)
- MBP (-5°C to +5°C)
- LBP (-15°C to -40°C)

Inverter Monoblock Refrigeration Unit - 4HP
RG-BYTCN40EL
- Cooling Capacity:4 HP
- Refrigerant: R404a/R448a/R449a
- Ambient Temperature: -7°C to 43°C
- Defrost: Reverse cycle hot gas defrost
- Power Supply: 220V~240V/50Hz or 220V/60Hz
- Application Range:
- HBP (+2°C to +8°C)
- MBP (-5°C to +5°C)
- LBP (-15°C to -40°C)
Wall Mount Refrigeration Unit
Technical Data
Key Features:
- Integrated Design: Combines both condensing and evaporating unit into a single unit for easy through-wall installation.
- Refrigerant: Pre-charged with R404a refrigerant (alternative options like R448a and R449a available in some models).
- Energy Efficiency: Inverter models offer variable speed control for improved energy savings.
- Compressor: Equipped with Sanyo Rotary inverter variable speed compressors.
- Defrosting: Reverse cycle hot gas defrosting for efficient defrosting.
Refrigeration Capacity:
- 1 HP (RG-BYTCN10EL)
- 2 HP (RG-BYTCN20EL)
- 3 HP (RG-BYTCN30EL)
- 4 HP (RG-BYTCN40EL)
Application Range:
- High Back Pressure (HBP): +2°C to +8°C
- Medium Back Pressure (MBP): -5°C to +5°C
- Low Back Pressure (LBP): -15°C to -40°C
Installation:
Easy through-wall installation with no need for piping, vacuuming, or refrigerant charging on-site.
Maintenance:
Minimal maintenance required due to integrated design and high-quality components.
Condenser Airflow:
Top air blow condenser; ensure a clearance of 500mm or more from obstacles for optimal performance.

Wall-mounted Monoblock Coolers
Monoblock Refrigeration Unit - Efficient, Compact, and Easy to Install.
RIGID’s Wall-mounted Monoblock Refrigeration Units provide an efficient and compact solution for cold storage applications. Integrating both the condensing and evaporating units into one system, these units simplify installation and reduce costs by eliminating the need for piping and refrigerant charging on-site. The through-wall installation design makes setup quick and hassle-free, ideal for cold rooms and freezer applications.
One of the standout features is the inverter technology, which uses a variable-speed compressor to adjust cooling power based on demand, ensuring optimal energy efficiency and lower operating costs. This helps businesses reduce energy consumption while maintaining consistent performance. Additionally, the units are equipped with reverse cycle hot gas defrosting, which efficiently melts ice on the evaporator coils, further enhancing energy savings and reducing maintenance needs.
RIGID monoblock units are highly versatile, offering a wide temperature range from -40°C to -5°C, making them suitable for a variety of storage needs, including cold rooms, freezers, and sensitive goods storage. With high-quality Sanyo brand compressors, the units require minimal maintenance and deliver long-term reliability.
For businesses seeking an easy-to-install, energy-efficient, and low-maintenance refrigeration solution, RIGID’s Monoblock Refrigeration Units are the perfect choice for optimizing cold storage operations.
The Efficient Solution for Coldroom Refrigeration
(-40℃ ~ -5℃)
RIGID HVAC offers innovative wall-mounted refrigeration units designed for small to medium cold rooms, freezer rooms, walk-in coolers, and walk-in freezers. These units are easy to install and maintain, making them a highly desirable choice for applications in hotels, hospitals, and restaurants.
Packaged Refrigeration Unit for Through-Wall Installation:
- Sanyo Rotary Refrigeration Compressor
- Inverter and Fixed-Speed Options
- R404a Refrigerant Pre-Charged
The wall-mounted refrigeration unit is a compact monoblock system that provides an integrated solution for cold storage. This flexible installation option is suitable for a variety of applications across different temperature ranges, including small cold rooms and walk-in freezers. The unit combines the functionality of both an indoor and outdoor refrigeration unit, simplifying installation and operation.
RIGID HVAC offers two models of the wall-mounted unit:
- Fixed-Speed (Non-Inverter): For standard applications with consistent refrigeration needs.
- Inverter (Variable Speed): For energy-efficient solutions that adjust cooling capacity according to load.
Key Features and Benefits
- Quick Installation
The wall-mounted monoblock is designed for easy installation and maintenance, providing quick setup and minimal downtime for customers.
- Versatile Applications
Suitable for both Low Back Pressure (LBP) and Medium Back Pressure (MBP) configurations, these units can be used in Medium Temperature and Low Temperature cold rooms, making them ideal for a wide range of temperature-sensitive environments.
- Excellent Performance
The combination of a Sanyo rotary compressor and high-quality components ensures optimal performance, providing reliable cooling for small and medium-sized cold storage applications.
- Energy Saving
The Inverter Wall Mounted Refrigeration Unit utilizes a variable-speed compressor, improving energy efficiency by adjusting the motor speed based on refrigeration load. This results in lower energy bills and reduced environmental impact.

Process

Induction Soldering with Helium

Smooth & Internally ribbed pipework

Design in tune with ongoing project
Application

Cold rooms

Freezer rooms

Compliant storages
E-shop
Sample products are available from our online store.
Your order will be proceeded in 24hrs and delivered by DHL/UPS/FedEx.
FAQs
Wall-mounted Monoblocks Refrigeration Units
1. What is RIGID wall-mounted refrigeration unit?
RIGID Wall-mounted Monoblock Refrigeration Unit is a compact, integrated refrigeration system that combines both the condensing unit and evaporating unit into one piece of equipment. This design eliminates the need for on-site piping, refrigerant charging, and separate components, making installation quicker and easier.
2. What are the benefits of using RIGID Monoblock Refrigeration Unit?
The main benefits of RIGID Monoblock Refrigeration Unit include quick installation, energy efficiency (thanks to inverter technology), minimal maintenance, and space-saving design. The integrated system requires no piping or refrigerant charging, reducing installation time and cost.
3. How does RIGID Monoblock Refrigeration Unit work?
RIGID Monoblock Refrigeration Unit operates by using a refrigeration cycle - compression, condensation, expansion, and evaporation - within one integrated system. The unit typically operates with variable-speed compressors (for inverter models), adjusting cooling power based on demand, ensuring energy efficiency and reliable performance.
4. What is the difference between RIGID Monoblock and Split Refrigeration Units?
The main difference is in their design. RIGID Monoblock Unit integrates the condensing and evaporating units into one system, whereas a Split Unit requires separate units for the condensing and evaporating parts, which need to be connected via piping during installation.
5. What is the reverse cycle hot gas defrosting system?
Reverse cycle hot gas defrosting is an advanced feature that temporarily reverses the refrigerant flow to warm the evaporator coils, melting any ice build-up. RIGID's monoblock systems are more energy-efficient than traditional defrost methods and reduces downtime.
6. How energy-efficient are the wall-mounted Monoblock Refrigeration Units?
The Wall-mounted Monoblock Refrigeration Units, especially those with inverter technology, are highly energy-efficient. The variable-speed compressor adjusts cooling power based on actual demand, helping to reduce energy consumption and lower electricity bills while maintaining optimal performance.
7. What refrigerants are used in the Wall-mouted Monoblock Refrigeration Units?
RIGID Wall-mounted Monoblock units typically use environmentally friendly refrigerants such as R404A, R448A, and R449A, which have lower environmental impacts compared to older refrigerants like R22.
8. What are the typical applications for the Monoblock Refrigeration Unit?
The Wall-mounted Monoblock units are versatile and suitable for applications such as cold rooms, freezer rooms, walk-in coolers, and pharmaceutical storage. They can accommodate a variety of temperature ranges, making them ideal for both cooling and freezing environments.
9. Can I install the Wall-mounted Monoblock Refrigeration Unit myself?
Yes, the Wall-mounted Monoblock Refrigeration Units are designed for easy installation. The integrated design eliminates the need for complex on-site piping and refrigerant charging. You only need to prepare an opening in the wall, insert the unit, and secure it with screws. However, if unsure, it’s always recommended to hire a professional for installation.
10. How do I maintain the wall-mounted refrigeration unit?
The Wall-mounted Monoblock Units require minimal maintenance due to their integrated design and high-quality components. Regularly check and clean the air filters, ensure the condenser is free from obstructions, and inspect the defrost system. Professional servicing may be needed occasionally for deep cleaning and component checks.
11. What are the temperature ranges of the Wall-mounted Monoblock Refrigeration Units?
The RIGID Wall-mounted Monoblock Refrigeration Units are suitable for a variety of temperature ranges:
- High Back Pressure (HBP): +2°C to +8°C
- Medium Back Pressure (MBP): -5°C to +5°C
- Low Back Pressure (LBP): -15°C to -40°C
This versatility makes them suitable for both refrigeration and freezing applications.
12. How long does it take to install the Wall-mounted Monoblock Refrigeration Unit?
The installation time for the Wall-mounted Monoblock Refrigeration Unit is generally short because it’s a pre-assembled unit that doesn’t require piping, refrigerant charging, or complex connections. Typically, installation can take a few hours, depending on the site preparation and unit size.
13. Can the Monoblock Refrigeration Unit be used in warm climates?
Yes, the RIGID Monoblock units are designed to operate efficiently in ambient temperatures ranging from -7°C to 43°C. This makes them suitable for a wide variety of climates, from cool storage environments to warm, tropical regions.
14. What is the lifespan of the All-mounted Monoblock Refrigeration Unit?
With proper maintenance, the Monoblock Refrigeration Units typically last 10-15 years or more. The high-quality components and minimal moving parts contribute to their long lifespan. Regular servicing and proper use can extend the life of the unit.
15. How does the inverter technology in RIGID Monoblock units work?
RIGID Inverter technology uses a variable-speed compressor, which adjusts its cooling capacity based on the actual demand. This results in energy savings by operating at lower speeds when full capacity isn’t needed and boosting cooling power when required, leading to lower overall energy consumption.
16. Are the Monoblock Refrigeration Units noisy?
The RIGID Wall-mounted Monoblock units are designed for quiet operation. However, noise levels can vary depending on the unit size and installation environment. Units equipped with variable-speed compressors tend to operate more quietly compared to traditional systems with fixed-speed compressors.
17. How much space do I need for the Monoblock Refrigeration Unit installation?
The space requirement for installing RIGID Monoblock unit depends on the model. A general recommendation is to maintain at least 500mm clearance around the condenser fan for proper air circulation. Ensure that the wall panel opening is appropriately sized to fit the unit.
18. Can I use Monoblock Refrigeration Units for both cooling and freezing?
Yes, RIGID Monoblock Refrigeration Units are available in different models to accommodate both cooling (HBP) and freezing (MBP, LBP). This makes them versatile for a wide range of applications, including food storage, pharmaceuticals, and more.
19. Are RIGID Monoblock Refrigeration Units environmentally friendly?
Yes, these cooler units are designed to be energy-efficient and use climate-friendly refrigerants such as R448A and R449A. They also feature inverter compressors that reduce energy consumption, making them more environmentally friendly than traditional refrigeration systems.
20. What is the cost of RIGID Monoblock Refrigeration Unit?
The cost of RIGID Monoblock Refrigeration Unit varies depending on the size, cooling capacity (HP), and features (e.g., inverter technology). Generally, cooler units with higher cooling capacity (e.g., 3 HP or 4 HP) will be more expensive. To get an accurate price, it’s recommended to request a quote from an authorized dealer.
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