
- Products
- Mini Compressor
- Air Conditioning
- Compact Liquid Chiller
- Compact Liquid Cooler
- Large Power Chiller
- Refrigeration Unit
- FPSC Stirling Cooler
- Application
- …
- Products
- Mini Compressor
- Air Conditioning
- Compact Liquid Chiller
- Compact Liquid Cooler
- Large Power Chiller
- Refrigeration Unit
- FPSC Stirling Cooler
- Application
- Products
- Mini Compressor
- Air Conditioning
- Compact Liquid Chiller
- Compact Liquid Cooler
- Large Power Chiller
- Refrigeration Unit
- FPSC Stirling Cooler
- Application
- …
- Products
- Mini Compressor
- Air Conditioning
- Compact Liquid Chiller
- Compact Liquid Cooler
- Large Power Chiller
- Refrigeration Unit
- FPSC Stirling Cooler
- Application

Roof Mount Monoblock
Precise temperature and climate control are key when it comes to food storage. Our extensive range of cold room solutions includes innovative monoblock refrigeration units that are ready to use, requiring no additional setup.
- 220V~240V / 50Hz~60Hz
- Natural Refrigerant: R290 (included)
- Utilizes compact horizontal compressor
- Power Capacity: 5,000~7,500W (up to 25,500Btu)
- Temperature Range: -18℃ ~ 2℃ (-0.4℉ ~35.6℉)
- Double defrosting methods: Hot freon gas + electric heating
Monoblocks
wall or ceiling mounted
Ceiling mounting is ideal for new installations, or through wall mounting is suitable for replacement and refurbishment projects.
The top-mounted monoblock refrigeration unit is a packaged refrigeration system unit installed on the ceiling of commercial refrigerators, freezers, and compliant cabinets. It is also called plug-in refrigeration unit. The advantages of easy installation, high quality and reliability standards ensure to the customers an innovative, technological product. The top-mounted monoblock refrigeration unit includes the refrigeration compressor, condenser, condenser fan, expansion device, evaporator, evaporator fan, and other refrigeration components.
- Low sound level<60dB.
- Pre-charged with refrigerant.
- For small to mid-size cold rooms.
- Fast assembly and ceiling mounting.
- Excellent space requirement vs. performance ratio.
- New generation control panel: user-friendly control.
- Equipped with HP, LP switch, and filter dryer (standard).
- Cold wind from both sides of the unit, not blowing on people.
- Using horizontal compressor, the overall height of the unit is lower, saving cold storage space.
Monoblock Model

2HP Monoblock
MT-D(B)HSR20EL
- Voltage: 220V~240V
- Frequency: 30Hz~90Hz
- Refrigerant: R290 (pre-charged)
- Cooling Capacity: 5,000W (17,050Btu)
- Digital controller and temperature display
- Compressor: Low-profile horizontal compressor

3HP Monoblock
MT-D(B)HSR30EL
- Voltage: 220V ~240V
- Frequency: 30Hz~90Hz
- Refrigerant: R290 (pre-charged)
- Cooling Capacity: 7,500W (25,575Btu)
- Digital controller and temperature display
- Compressor: Low-profile horizontal compressor
Technical Data
Roof-mounted Monoblock refrigeration unit / Uniblock cold room refrigeration unit / Ceiling-mounted condensing unit and evaporator in one.
Monoblock Parameters
- Condenser: Internal thread copper pipe + aluminum fin.
- Evaporator: internal thread copper pipe + aluminum fin.
- Double defrosting methods: Hot freon gas + electric heating.
- Monoblock dimension: 960× 920× 600mm (LxWxH).
- Installation size: Length 900 x width 855mm (+5).
- The upper condenser height of the monoblock: 280mm.
- The lower evaporator height of the monoblock: 230mm.
Volume recommendation
- MT-D(B)HSR20EL (2HP), refrigerated 2 ~ 8℃ (20 cubic meters), frozen -18℃ (< 15 cubic meters).
- MT-D(B)HSR30EL (3HP), refrigerated 2 ~ 8℃ (30 cubic meters), frozen -18℃ (< 22 cubic meters).

Features
Effortless setup
Completely assembled and pre-charged with refrigerant, effortless installation process. Ensures a quick setup for your convenience.
Hot gas defrosting
Our innovative hot gas defrost system employs a reverse cycle, setting it apart from traditional hot gas bypass techniques.
Refrigeration and Freezing
The top-mounted monoblock refrigeration unit is designed to operate in both the refrigeration room (0 ~ 8°C) and the freezing room (-18°C).
Process

Induction soldering with helium

Smooth and internally ribbed pipework

Design in tune with ongoing development
Cold wind from both sides, not blowing on people.
-18℃ ~ 2℃ (-0.4℉ ~ 35.6℉)

E-shop
Sample products are available from our online store.
Your order will be proceeded in 24hrs and delivered by DHL/UPS/FedEx.
FAQs
Monoblocks Refrigeration Units
1. What is a monoblock refrigeration unit, and how does it work?
A monoblock refrigeration unit is a fully integrated cooling system designed to simplify refrigeration setups. It combines all essential refrigeration components—compressor, condenser, expansion device, evaporator, and fans—into a single, compact unit. It is pre-assembled and pre-charged with refrigerant, allowing for easy and quick installation.
2. Where can the roof mount monoblock refrigeration unit be used?
These units are ideal for use in commercial refrigerators, freezers, and compliant cabinets. They are particularly suited for small to mid-sized cold rooms, offering efficient cooling solutions for food storage and preservation.
3. What are the electrical requirements for operating the monoblock?
The unit is compatible with a power supply of 220V~240V and can operate at both 50Hz and 60Hz frequencies, ensuring flexibility across different regions.
4. What type of refrigerant does the monoblock use, and why?
The monoblock unit uses R290, a natural and environmentally friendly refrigerant. R290 is known for its high efficiency, low environmental impact, and compliance with global regulations for sustainable refrigeration.
5. What is the temperature range supported by the monoblock?
The unit operates efficiently within a temperature range of -18°C to 2°C (-0.4°F to 35.6°F), making it suitable for both freezing and refrigeration applications.
6. What is the power capacity of the monoblock refrigeration unit?
The unit has a power capacity of 5,000W to 7,500W, equivalent to up to 25,500 BTU, providing robust cooling performance for a variety of applications.
7. How does the monoblock handle defrosting?
The monoblock unit features a dual defrosting system that utilizes both hot freon gas and electric heating. This ensures efficient defrosting under various operating conditions.
8. What are the installation options for this monoblock?
The unit is designed for ceiling mounting, making it ideal for new installations where space is a concern. For replacement or refurbishment projects, it can also be mounted through a wall.
9. What are the benefits of using a horizontal compressor in the monoblocks?
The horizontal compressor design minimizes the overall height of the unit, freeing up valuable vertical space in cold storage areas and optimizing space utilization.
10. How quiet is the monoblock during operation?
Operating at a sound level of less than 60dB, the unit provides a quiet environment, making it suitable for settings where noise control is important.
11. What are the dimensions and installation size of the monoblock unit?
The unit's dimensions are 960×920×600mm (L×W×H), with an installation size of 900×855mm (+5). The upper condenser height is 280mm, while the lower evaporator height is 230mm.
12. Can the monoblock be used for both refrigeration and freezing purposes?
Yes, the monoblock unit is versatile and designed to function in refrigeration rooms with temperatures ranging from 0°C to 8°C, as well as freezing rooms with temperatures down to -18°C.
13. What are the recommended cold room volumes for different models?
MT-D(B)HSR20EL (2HP): Recommended for refrigeration (2°C to 8°C) in rooms up to 20m³ and freezing (-18°C) in rooms less than 15m³.
MT-D(B)HSR30EL (3HP): Recommended for refrigeration (2°C to 8°C) in rooms up to 30m³ and freezing (-18°C) in rooms less than 22m³.
14. What components are included in the monoblock refrigeration system?
The system integrates a refrigeration compressor, condenser, condenser fan, expansion device, evaporator, evaporator fan, and other essential refrigeration components into one unit.
15. Is the monoblock pre-charged with refrigerant, and what does this mean?
Yes, the unit comes pre-charged with refrigerant, meaning it is ready for operation right out of the box. This eliminates the need for additional refrigerant charging during installation.
16. What type of control system does the monoblock unit have?
The unit is equipped with a new generation, user-friendly control panel that simplifies temperature and operational adjustments.
17. What safety features are included in the monoblock unit?
For added safety, the monoblock refrigeration unit comes equipped with high-pressure (HP) and low-pressure (LP) switches, as well as a filter dryer.
18. What materials are used in the condenser and evaporator construction?
Both the condenser and evaporator are made using internal thread copper pipes paired with aluminum fins, ensuring efficient heat transfer and durability.
19. Does the unit blow cold air directly onto people?
No, the design ensures that cold air is emitted from both sides of the unit, avoiding direct airflow onto individuals and improving comfort.
20. How does the innovative hot gas defrost system work?
The system uses a reverse cycle technique, which is more advanced and efficient compared to traditional hot gas bypass methods. This ensures faster and more effective defrosting.
Get in Touch
Reach out to us for inquiries, product information, or partnership opportunities
#50 Gambas Crescent 10-35 Proxima, Gambas Singapore 757022Monday ~ Friday
8:00 AM ~ 17:30 PM+65 8359 4546

SINGAPORE ©2024 - ARCTIC TECH PTE LTD. ACTIVE COOLING
Address: #50 Gambas Crescent 10-35 Proxima Gambas 757022 Singapore.
Arctic Active Cooling.







