This water monoblock heat pump is published with the manufacturer’s full specification — voltage 220~240/1/50(60), 380~415/3/50(60), 6 kW. Made by Jiangsu Sunrain Solar Energy Co., Ltd. (3 years on the platform, typical reply ≤2h). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Water Monoblock Heat Pump
- Power Source: Electric
- Voltage (V/Ph/Hz): 220~240/1/50(60), 380~415/3/50(60)
- Heating Capacity: 6 kW
- Housing Material: Metal
- Refrigerant: R290
- Warranty: 2 Years
Technical Specifications
| Type | Air Source Heat Pump |
|---|---|
| Heating Capacity | 6 kW |
| Energy Efficiency Rating | Class A+++ |
| Application | Hotel, Garage, Household |
| Refrigerant | R290 |
| Storage / Tankless | Storage |
| Compressor | Highly |
| Installation | Freestanding |
| App-Controlled | Yes |
| Housing Material | Metal |
| Feature | Eco-Friendly, Easy Installation, Easy Operation, Energy-Saving, Safe, High Efficiency |
| Power Source | Electric |
| Warranty | 2 Years |
| After-Sales Service Provided | Free Spare Parts, Online support |
| Operating Language | English, German, French, Dutch, Spanish |
| Private Mold | Yes |
| Packaging Types | Corrugated Box, Wooden crates |
| Place Of Origin | Guangdong, China |
| Brand | Sunrain |
| Function | Space heating/Space Cooling/Water heating |
| Heat Source | Air |
| Product Name | R290 Monoblock Heat Pump |
| Color | White/black/Custom |
| Certificate | CE, ERP, KEYMARK, MCS, SG READY, BAFA |
| OEM/ODM | Available |
| Voltage (V/Ph/Hz) | 220~240/1/50(60), 380~415/3/50(60) |
| SCOP | A+++ |
| Circulation Pump | Inverter type/Built in |
| Selling Units | Single item |
| Single Package Size | 121.7X46.3X92 cm |
| Single Gross Weight | 150.0 kg |
Product Details
Product name | R290 Monoblock Heat Pump |
Function | Heating, cooling, water heating |
Operation pressure(MPa) | 0.8-3 |
Maximum Allowable Pressure(MPa) | 3 |
IP Class | IPX4 |
Max. Outet Water Temp.(℃) | 75 |
Operating Amblent Temperature(℃) | —25~45 |
Min/Max Water Pressure(MPa) | 0.1/0.3 |






3)-Fan coil cooling mode
4)-Hot water +Floor/radiator circulating heating mode
5)-Floor/radiator circulating heating mode
6)-Hot water + Fan coil heating mode
7)-Hot water + Fan coil cooling




Features of Sunrain Monoblock Heat Pump
3). Stable operation at —25℃
4). Power Detection Function
5). SG-READY Function
6). 5-Inch TFT True Color Screen
7). 5G/2.4G Compatible WIFI Module
8). Dual Temperature Zone
9). Reserved RS485 Communication Port
10). Linkage Control with PV Function
11). Outlet water temperature up to 75℃.








DC INVERTEER COMPRESSOR


DC INVERTER FAN MOTOR


WATER PUMP


ELECTRONIC EXPANSION VALVE
refrigerant.


PLATE HEAT EXCHANGER




5G/2.4G Compatible WIFI Module


all features and configurations, including the advanced technology of the air-to-water heat pump, onto a single page to ensure
ease of use.






Proven Quality
availability of affordable heating systems necessary for achieving carbon reduction targets. These heat pumps are designed to meet the rigorous standards set by prestigious quality accreditation schemes like MCS, Keymark, CE(Conformité Européenne), ErP(Energy-Related Products), BAFA, and SG Ready, which are essential for qualifying for state subsidies in Europe.


Model | SMHP-006C1 | SMHP-012C1 | SMHP-012C3 | SMHP-018C1 | SMHP-018C3 | |||||||
Power Supply | V/Ph/Hz | 220~240/1/50 | 380~415/3/50 | 220~240/1/50 | 380~415/3/50 | |||||||
Nominal Heating (Max) (A7/6℃,W30/35℃) | Heating Capacity | kW | 2.92~9.10 | 4.30~15.20 | 4.30~15.20 | 7.24~22.1 | 7.24~22.1 | |||||
Power Input | kW | 0.61~2.11 | 0.87~3.73 | 0.87~3.73 | 1.50~5.88 | 1.50~5.88 | ||||||
Current Input | A | 2.80~9.25 | 4.02~16.38 | 1.78~6.04 | 6.86~30.25 | 2.82~9.16 | ||||||
Nominal Heating (Max) (A7/6℃,W47/55℃) | Heating Capacity | kW | 2.99~8.16 | 4.25~14.55 | 4.25~14.55 | 6.36~19.45 | 6.36~19.45 | |||||
Power Input | kW | 1.03~2.92 | 1.45~4.28 | 1.45~4.28 | 2.15~6.85 | 2.15~6.85 | ||||||
Current Input | A | 4.57~12.79 | 6.71~18.80 | 2.84~6.78 | 9.84~30.12 | 3.71~10.60 | ||||||
Nominal Cooling (Max) (A35/24℃,W12/7℃) | Cooling Capacity | kW | 1.38~5.70 | 3.65~11.04 | 3.65~11.4 | 4.55~17.20 | 4.55~17.20 | |||||
Power Input | kW | 0.67~2.44 | 1.12~3.97 | 1.12~3.97 | 1.85~7.31 | 1.85~7.31 | ||||||
Current Input | A | 3.06~10.27 | 5.18~17.44 | 1.97~6.30 | 8.47~32.1 | 2.99~11.26 | ||||||
ERP Level (Outlet water temp. at 35℃) | / | A+++ | ||||||||||
MAX. input power | KW | 3.50 | 5.40 | 5.85 | 7.50 | 10.50 | ||||||
MAX. input current | A | 15.00 | 25.00 | 10.00 | 35.00 | 17.00 | ||||||
Refrigerant | / | R290 | ||||||||||
Rated water flow | m³/h | 1.00 | 2.06 | 2.06 | 3.10 | 3.10 | ||||||
Fan quantity | / | 1 | 1 | 1 | 2 | 2 | ||||||
Fan motor type | / | DC inverter | ||||||||||
Compressor | / | DC inverter | ||||||||||
Circulation pump | / | Inverter type / Built-in | ||||||||||
IP Class | / | IPX4 | ||||||||||
Sound pressure at 1m distance | dB(A) | 42 | 50 | 50 | 55 | 55 | ||||||
Max outlet water temperature | ℃ | 75 | ||||||||||
Water piping connections | / | DN 25 (1") | DN 25 (1") | DN 25 (1") | DN 32 (1-1/4") | DN 32 (1-1/4") | ||||||
Water pressure drop (max) | kPa | 20 | 20 | 20 | 55 | 55 | ||||||
Operating temperature range (Heating mode) | ℃ | -25~45 | ||||||||||
Operating temperature range (Cooling mode) | ℃ | 16~45 | ||||||||||
Unpacked Dimensions (L x D x H ) | mm | 1187*418*805 | 1287*448*904 | 1287*448*904 | 1187*488*1456 | 1187*488*1456 | ||||||
Packed Dimensions (L x D x H ) | mm | 1217*463*920 | 1317*493*1020 | 1317*493*1020 | 1217*538*1570 | 1217*538*1570 | ||||||
Unpacked weight | kg | 110 | 123 | 123 | 184 | 184 | ||||||
Packed weight | kg | 115 | 128 | 128 | 192 | 192 | ||||||




A: Yes, we are a professional heat pump manufacturer with rich experience and complete R&D, production, sales, and service supply.
Q2: What is your main product?
Answer: Our main products include DC variable frequency heat pumps, air source heat pumps water heaters, all in one heat pumps,
swimming pool heat pumps, and EVI heat pumps in cold areas.
Q3: How do I place an order?
Answer: Please send us an inquiry or contact us through online services; After receiving your inquiry, we will reply to you
Catalogs, quotations, and other information you need.
Q4: Do you provide OEM/ODM customized manufacturing services?
Answer: Yes, we warmly welcome your heat pump OEM/ODM opportunities. We can produce European standard heat pumps under your brand
according to your special needs.
Q5: Can I apply to become your heat pump distributor/distributor?
A: We are currently looking for more heat pump distributors/dealers worldwide, who can distribute our heat pump products in local
countries/regions.
Q6: I need to buy in large quantities. Can you provide a sample service?
Yes, we can provide sample service, and we have engineers to help you solve installation problems.
Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1–99 set: US $1371.5 / set
- 100–499 set: US $1308.2 / set
- 500+ set: US $1244.9 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this water monoblock heat pump?
The standard minimum order quantity is 1 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Which certifications does this water monoblock heat pump carry?
It is supplied with CE, ERP, KEYMARK, MCS, SG READY, BAFA documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Can the water monoblock heat pump be supplied for my local voltage?
The standard configuration is 220~240/1/50(60), 380~415/3/50(60). Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Jiangsu Sunrain Solar Energy Co., Ltd., based in China. The company 3 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Jiangsu Sunrain Solar Energy Co., Ltd. range on HVACR Nexus.
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