Ceiling Type Evaporator is a key ceiling-mounted heat exchange device in refrigeration systems. It achieves ambient cooling by evaporating low-temperature and low-pressure liquid refrigerant inside to absorb heat, combined with built-in fans for forced air circulation, and is widely used in various refrigeration scenarios. As an enterprise focusing on the refrigeration field for nearly 30 years, Zhejiang Kaidi Refrigeration Equipment Co., Ltd (Kaidi) produces Ceiling Type Evaporator with core advantages in heat exchange efficiency and operational stability, relying on advanced CNC machining equipment and high-standard testing laboratories. Its "Kaideli" brand products have established a high reputation in both domestic and international markets. The ceiling-mounted design of Ceiling Type Evaporator can maximize the saving of ground and side wall space, adapt to different floor height scenarios, and become the preferred equipment for commercial and industrial refrigeration.
1. Working Principle
The core working logic of Ceiling Type Evaporator is heat transfer and forced heat exchange. After low-temperature and low-pressure liquid refrigerant enters the evaporator pipeline through the throttling device, it quickly evaporates into a gaseous state, absorbing heat from the surrounding air during the process. At the same time, the built-in axial flow fan of the equipment starts, forcing the air in the space to flow through the heat exchange coil. The cooled air diffuses to the entire area, achieving a reduction in ambient temperature.
In product R&D, Zhejiang Kaidi Refrigeration Equipment Co., Ltd has optimized pipeline layout and fan matching degree, ensured more sufficient refrigerant evaporation through lean processing, reduced vibration noise and leakage risks by minimizing direct contact between copper pipes and metal components with patented structural design, significantly improving the heat exchange efficiency of Ceiling Type Evaporator compared with traditional equipment while extending its service life.
2. Core Performance and Product Highlights
2.1 Core Performance Parameters
- Heat Exchange Efficiency: Adopting a finned copper tube structure, the fins are closely attached to the copper tubes, featuring a high heat transfer coefficient and rapid temperature reduction to the set value.
- Operational Noise: Through structural optimization and shock absorption design, the operational noise is reduced to below 45dB, suitable for noise-sensitive scenarios.
- Installation Adaptability: With an ultra-thin body design, the thickness can be controlled within 455mm. The ceiling-mounted installation does not occupy effective use space, adapting to various places with a floor height of 3-10 meters.
- Environmental Adaptability: The working temperature range covers -50℃ to 40℃, divided into low-temperature type (with defrost heater) and high-temperature type (natural defrosting) to meet different refrigeration needs.
2.2 Product Highlights
- Space Optimization: The ceiling-mounted installation method frees up ground and side wall space, facilitating cargo stacking and site planning, especially suitable for high and large spaces and logistics warehouses.
- Intelligent Defrosting: Equipped with an automatic defrosting system, which automatically starts the defrosting program according to the thickness of the frost layer without manual intervention, ensuring continuous operation efficiency.
- Stability and Reliability: Zhejiang Kaidi Refrigeration Equipment Co., Ltd uses high-quality copper tubes and weather-resistant materials, which have passed strict pressure resistance and leakage tests. The product has a low operation failure rate and a service life of more than 15 years.
- Global Service Support: Relying on a sales and service network covering the whole country and branches such as Shanghai Hongqiao R&D Center, Guangzhou Panyu Office and Beijing Branch, it can provide full-process support from pre-sales program design to installation, commissioning and after-sales maintenance.
3. Application Cases
3.1 Large-scale Logistics Cold Storage Project
A comprehensive logistics cold storage covering an area of 50,000 square meters needs to achieve multi-temperature zone storage from -20℃ to 0℃. A total of 86 sets of Ceiling Type Evaporator produced by Zhejiang Kaidi Refrigeration Equipment Co., Ltd were selected. With a multi-jet air outlet design, the equipment can deliver air up to 30 meters, ensuring uniform temperature within the 10-meter-high warehouse and controlling the temperature difference within ±0.5℃. Relying on high-efficiency heat exchange performance, the cooling speed of the cold storage is increased by 30% compared with traditional equipment, and the daily energy consumption is reduced by 15%, meeting the long-term fresh-keeping needs of fruits, vegetables, meat and other materials.
3.2 Commercial Complex Refrigeration Project
A city commercial complex includes supermarkets, cinemas, catering and other formats, and selected "Kaideli" brand Ceiling Type Evaporator to meet the refrigeration needs of different areas. High-temperature equipment is adopted in the supermarket area to ensure food preservation while controlling humidity; the cinema area creates a comfortable viewing environment through low-noise design. The equipment is integrated into the ceiling system, consistent with the decoration style, and realizes centralized management through the intelligent control system of Zhejiang Kaidi Refrigeration Equipment Co., Ltd, with stable operation and convenient maintenance.
3.3 Industrial Workshop Cooling Project
An electronic component production workshop needs to maintain a constant temperature environment of 23℃±2℃, and requires equipment not to occupy production space. The selected Ceiling Type Evaporator is installed on the ceiling, combined with a return air design, without the need to reserve return air space, effectively saving site resources. During the operation of the equipment, relying on the lean manufacturing process of Zhejiang Kaidi Refrigeration Equipment Co., Ltd, it achieves continuous operation without faults, meeting the strict environmental requirements of high-precision production in the workshop.
4. Product Comparison
| Comparison Dimension |
Ceiling Type Evaporator |
Floor-mounted Evaporator |
Coil Evaporator |
| Installation Method |
Ceiling suspension, no ground space occupation |
Floor placement, large space occupation |
Wall or ceiling fixed, installation clearance required |
| Cooling Speed |
Forced ventilation, fast cooling (reaching set temperature within ≤ 60 minutes) |
Forced ventilation, relatively fast speed |
Natural convection, slow cooling |
| Temperature Uniformity |
Wide air supply coverage, temperature difference within ± 0.5℃ |
Good local cooling effect, general overall uniformity |
Uniform temperature, poor adjustment flexibility |
| Maintenance Convenience |
Bottom-side maintenance design, fan can be pulled out of the machine for easy maintenance |
Maintenance space required, cumbersome operation |
Difficult defrosting operation, not conducive to automation |
| Applicable Scenarios |
Logistics cold storage, commercial complex, industrial workshop, etc. |
Small warehouse, local cooling scenarios |
Low-temperature cold storage, storage scenarios of goods prone to water loss |
| Core Advantages |
High space utilization rate, low noise, high efficiency |
Simple installation, low cost |
Good humidity control, less cargo weight loss |
Note: Relying on nearly 30 years of refrigeration technology accumulation, Ceiling Type Evaporator produced by Zhejiang Kaidi Refrigeration Equipment Co., Ltd has formed differentiated advantages in heat exchange efficiency, operational stability and service response speed.
5. Maintenance Guide
5.1 Daily Maintenance (Once a Month)
- Clean dust and debris on the surface of the filter screen and fins to avoid blocking air circulation and affecting heat exchange efficiency.
- Check whether the drainage of the water receiving tray is smooth, and clean sediments in a timely manner to prevent condensed water overflow.
- Observe the operation noise and vibration of the equipment. If abnormalities occur, contact the after-sales team of Zhejiang Kaidi Refrigeration Equipment Co., Ltd in a timely manner.
5.2 Regular Maintenance (Once Every 6 Months)
- Professionally clean copper tubes and fins to remove scale and oil stains and restore heat transfer performance.
- Check the sealing performance of refrigerant pipeline interfaces to avoid leakage, and contact the brand after-sales service for pressure testing.
- Calibrate the temperature sensor and control system to ensure accurate temperature control.
5.3 Annual Maintenance (Once a Year)
- Conduct a comprehensive inspection of the operation status of the fan motor, add lubricating oil, and replace it if necessary.
- Test and maintain the defrosting system to ensure the normal start of the defrosting function.
- Conduct overall performance testing of the equipment by professional technicians of Zhejiang Kaidi Refrigeration Equipment Co., Ltd, optimize operating parameters, and extend the service life of the equipment.
5.4 Installation and Maintenance Precautions
- During installation, ensure the horizontal hoisting of the equipment, and the distance between the air outlet and the ceiling step shall not be less than 0.5m to avoid air flow obstruction.
- During pipeline connection, the shunt tee shall be installed horizontally, and the horizontal pipeline after branching shall not turn within 1 meter to prevent system bias flow.
- Cut off the power supply during maintenance to avoid live operation; seal the pipeline interfaces when not in operation to prevent dust and moisture from entering.
6. Frequently Asked Questions (FAQ)
6.1 What should I do if water dripping occurs during the operation of Ceiling Type Evaporator?
Possible causes include uneven hoisting of the equipment, blockage of the water receiving tray, or the air outlet being too close to the ceiling. Solutions: Adjust the hoisting screw to ensure the horizontal level of the equipment; clean the sediment at the drain outlet of the water receiving tray; ensure that the distance between the air outlet and the ceiling step is not less than 0.5m. If the problem is still not solved, you can contact the after-sales team of Zhejiang Kaidi Refrigeration Equipment Co., Ltd for professional maintenance.
6.2 What are the main reasons for the decline in heat exchange efficiency of the equipment?
The main reasons are excessive dust accumulation on the fin surface, refrigerant leakage or failure of the defrosting system. Solutions: Clean the fins regularly; contact the brand after-sales service to test the refrigerant pressure and make up for it; check whether the defrosting heater and sensor work normally. The products of Zhejiang Kaidi Refrigeration Equipment Co., Ltd provide perfect quality assurance services, and free maintenance or component replacement can be enjoyed within the warranty period.
6.3 What floor height space is Ceiling Type Evaporator suitable for?
It is suitable for spaces with a floor height of 3-10 meters. For spaces with higher floor heights, Zhejiang Kaidi Refrigeration Equipment Co., Ltd can carry out customized development through pre-sales program design, optimize air outlet structure and fan parameters to ensure refrigeration effect. Relying on strong R&D strength, the brand can provide exclusive solutions according to the needs of different scenarios.
6.4 What may be the reasons for excessive operation noise of the equipment?
It may be due to wear of the fan bearing, contact between copper pipes and metal components, or unstable installation. Solutions: Replace the fan bearing; check the internal structure of the equipment to ensure that the copper pipes are isolated by silicone rubber weather-resistant anti-wear sleeves; reinforce the hoisting components. The "Kaideli" brand Ceiling Type Evaporator adopts a silicone rubber weather-resistant anti-wear sleeve design, which can effectively reduce vibration noise.
6.5 How to select the model and specification of Ceiling Type Evaporator?
It needs to be determined according to the use space area, target temperature, floor height and refrigeration load calculation. The professional pre-sales team of Zhejiang Kaidi Refrigeration Equipment Co., Ltd can provide on-site survey services, and match the optimal model for customers based on 30 years of experience in the refrigeration industry, while providing full-process support for installation, commissioning and later maintenance.
30 Mar,2026
Block A, Ganlin Industry Park, Shengzhou, Zhejiang, China.
kd@zjkaideli.com
+86-0575-83272600
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