R290 SIDE DISCHARGE INVERTER
Side Discharge Design: Optimizes air circulation efficiency, suitable for installations with limited surrounding space;
Eco-Friendly R290 Refrigerant: Meets high environmental standards while maintaining efficient heat transfer;
Wide Adaptability: Supports multi-voltage configurations (208/230V) and a broad ambient temperature range (-15-43℃);
Durable Build: Titanium alloy heat exchangers and IPX4/IPX7 protection enhance longevity in pool-side humid environments.
- Introduction
- Main features
- Specifications
- Recommended
Product Introduction
The Demax Side Discharge Inverter R290 is a frequency-conversion swimming pool heat pump featuring a side-discharge air outlet design. It adopts R290 (propane) refrigerant (highly eco-friendly with ultra-low GWP) and is engineered to adapt to both residential and small commercial swimming pools, covering a wide range of pool volumes for flexible application.
Core Configuration & Key Details:
Refrigerant: R290 (propane) — eco-friendly with minimal global warming impact;
Design & Components: Side-discharge air outlet structure; equipped with electronic expansion valves, titanium alloy/PVC heat exchangers (corrosion-resistant for pool water environments);
Protection & Durability: Protection level up to IPX7 (for partial models), ensuring reliability in outdoor/humid pool settings;
Operating Range: Adapts to an ambient temperature range of -15-43℃, with a maximum outlet water temperature of 42℃, suitable for diverse climate conditions.

Core Configuration & Key Details:
Refrigerant: R290 (propane) — eco-friendly with minimal global warming impact;
Design & Components: Side-discharge air outlet structure; equipped with electronic expansion valves, titanium alloy/PVC heat exchangers (corrosion-resistant for pool water environments);
Protection & Durability: Protection level up to IPX7 (for partial models), ensuring reliability in outdoor/humid pool settings;
Operating Range: Adapts to an ambient temperature range of -15-43℃, with a maximum outlet water temperature of 42℃, suitable for diverse climate conditions.

Main features
Performance Specifications:
This product includes multiple JDLKRY-series models, with core performance parameters as follows:
Recommended Pool Volume: Covers 12-25 m³ to 58-115 m³ (accommodating small home pools to medium commercial pools);
Heating Capacity: Under standard conditions (Air 27℃/Water 26℃), heating power ranges from 2.78 kW to 12.3-45 kW (corresponding to 9200-42778 BTU/h); the maximum Standard Heating COP reaches 5.78, delivering high energy efficiency;
Cooling Capacity: Under rated conditions (Air 35℃/Water 30℃), cooling power ranges from 3.982 kW to 16.04 kW (corresponding to 1296-54774 BTU/h);
Noise Level: Operates at 45-57 dBA, balancing performance with quiet operation.
Core Features:
Side Discharge Design: Optimizes air circulation efficiency, suitable for installations with limited surrounding space;
Eco-Friendly R290 Refrigerant: Meets high environmental standards while maintaining efficient heat transfer;
Wide Adaptability: Supports multi-voltage configurations (208/230V) and a broad ambient temperature range (-15-43℃);
Durable Build: Titanium alloy heat exchangers and IPX4/IPX7 protection enhance longevity in pool-side humid environments.
Specifications
Application Scenarios:
Ideal for small residential swimming pools, medium-sized commercial pools (e.g., villa pools, small club pools), and scenarios requiring both pool temperature control and stable operation in low-temperature environments.


Ideal for small residential swimming pools, medium-sized commercial pools (e.g., villa pools, small club pools), and scenarios requiring both pool temperature control and stable operation in low-temperature environments.
| R290 SIDE DISCHARGE INVERTER | |||||||||
| Model | JDLKRY-5FE1 | JDLKRY-8FE1 | JDLKRY-10FE1 | JDLKRY-12FE1 | JDLKRY-15FE1 | JDLKRY-18FE1 | JDLKRY-24FE1 | JDLKRY-24FE2 | |
| Recommended Pool Volume M3 12-25 19-38 24-50 28-56 36-70 43-90 58-115 58-115 | |||||||||
| Power supply | V/Ph/HZ |
208-230V/1/ 50HZ/60HZ |
208-230V/1/ 50HZ/6OHZ |
208-230V/1/ 50HZ/60HZ |
208-230V/1 50HZ/60HZ |
208-230V/1/ 50HZ/60HZ |
208-230V/1/ 50HZ/60HZ |
208-230V/1/ 50HZ/60HZ |
208-230V/1/ 50HZ/60HZ |
| Refrigerant | R290 | ||||||||
| Operating Environment Temperature | ℃ | -15-43 | |||||||
| Max.Outlet Water Temperature | ℃ | 42 | |||||||
| Min.Outlet Water Temperature | ℃ | 8 | |||||||
| Heating Capacity | KW | 2.7-8 | 4.4-12.9 | 4.7-14.5 | 6.2-18.5 | 6.6-20.9 | 8.3-24.5 | 12.6-34.5 | 12.6-34.5 |
| BTU | 9200-27288 | 15000-44000 | 16031-49459 | 21148-63100 | 22512-71289 | 28311-83569 | 42978-117679 | 42978-117679 | |
| Standard Heating Condition | (Air 27°℃/Water 26°C/Humid.80%) | ||||||||
| Standard Heating Capacity | KW | 6.75 | 10.8 | 13.3 | 16.1 | 20.2 | 24.1 | 32.2 | 32.3 |
| BTU | 23024 | 36839 | 45366 | 54917 | 68902 | 82205 | 109834 | 110175 | |
| Standard Heating Power | KW | 1.17 | 1.89 | 2.32 | 2.82 | 3.56 | 4.19 | 5.63 | 5.63 |
| Standard Heating Current | A | 5.13 | 8.3 | 10.2 | 12.38 | 15.63 | 18.4 | 24.74 | 9.5*3 |
| COP | W/W | 5.75 | 5.71 | 5.74 | 5.71 | 5.68 | 5.75 | 5.72 | 5.74 |
| Rated Heating Condition | (Air 15℃/Water 26°C/Humid.70.8%) | ||||||||
| Rated Heating Capacity | KW | 5 | 8 | 9.8 | 11.9 | 14.9 | 17.8 | 23.8 | 23.8 |
| BTU | 17055 | 27288 | 33428 | 40591 | 50824 | 60716 | 81182 | 81182 | |
| Rated Heating Power | KW | 1.11 | 1.8 | 2.2 | 2.64 | 3.3 | 3.97 | 5.28 | 5.28 |
| Rated Heating Current | A | 4.87 | 7.9 | 9.66 | 11.6 | 14.5 | 17.43 | 23.2 | 8.91*3 |
| COP | W/W | 4.5 | 4.43 | 4.45 | 4.5 | 4.48 | 4.48 | 4.51 | 4.51 |
| Rated Cooling Condition | (Air 35°℃/Water 30°C/Humid.40.3%) | ||||||||
| Rated Cooling Capacity 42638 56964 56964 | KW | 3.8 | 6 | 6.86 | 8.3 | 10.4 | 12.5 | 16.7 | 16.7 |
| BTU | 12962 | 20466 | 23399 | 28311 | 35474 | 42638 | 56964 | 56964 | |
| Rated Cooling Power | KW | 1.19 | 1.9 | 2.8 | 2.44 | 3.04 | 4.55 | 5.96 | 5.96 |
| Rated Cooling Current 5.23 | A | 5.23 | 8.3 | 9.1 | 10.72 | 13.40 | 19.97 | 26.20 | 10*3 |
| EEP | W/W | 3.2 | 3.15 | 3.3 | 3.4 | 3.42 | 2.75 | 2.8 | 2.8 |
| Max.Current | 7.9 | 9.7 | 12.3 | 15.4 | 19.8 | 19.8 | 26.4 | 10.1*3 | |
| Water pipe connection | MM | 50/48.3 | 50/48.3 | 50/48.3 | 50/48.3 | 50/48.3 | 50/48.3 | 50/48.3 | 50/48.3 |
| Water Flow M3 2.14 3.42 4.2 5.1 6.38 7.63 10.2 10.2 | |||||||||
| Water Side Pressure Resistance | KPA | 4 | 5 | 7 | 9 | 11 | 12 | 13 | 13 |
| Protection Level IPX4 IPX4 IPX4 IPX4 IPX4 IPX4 IPX4 IPX4 | |||||||||
| Motor | CD | ||||||||
| Throtle Device |
Electronic Expansion Valve |
Electronic Expansion Valve |
Electronic Expansion Valve |
Electronic Expansion Valve |
Electronic Expansion Valve |
Electronic Expansion Valve |
Electronic Expansion Valve |
Electronic Expansion Valve |
|
| Heat Exchanger | PVC Titanium Alloy Heat Exchanger | ||||||||
| Noise (dBA) 45 47 48 50 53 56 57 57 | |||||||||

