Snapshot Details
- Product Type: Submersible Pump
- Model Number: Lotus 2, SI-226
- Power Supply Type: DC
- Simulated PV Array Size [W]: 260
- Simulated Head Value [m]: 8
- High Irradiance Day: Total Volume of Water Moved per Solar Day [m3/day]: 19.9
Product Information
- Brand
Product brand name as listed on consumer-facing materials, such as product package, nameplate, or product specification sheet Proximity - Product Type Submersible Pump
- Model Number Lotus 2, SI-226
- Power Supply Type DC
- Manufacturer Proximity Designs
- Warranty [months] 12
- Rated Controller Input Power [W] 350
- Rated Controller Input Voltage [V] 19-Dec
- Battery Integrated [yes/no] No
Pump Information
- Pump Type Centrifugal single stage centrifugal
- Motor Type Brushless DC
- Pump Dimensions [L*W*H in cm] 4*4*30
- Rated Head Range [m] 0-15
- Rated Maximum Flow Rate [m3/h] 6
- Rated Pump Ingress Protection (IP) Rating Not rated
Test Setup
- Simulated PV Array Size [W] 260
- Simulated Head Value [m] 8
Operating Range
- Minimum Irradiance Required to Start Pump [per 50W/m2] See test setup for simulated PV array size and head value used during testing 400
- Maximum Head [m] See test setup for simulated PV array size and head value used during testing 18.3
Maximum Efficiency at 700W/m2
- Maximum Wire-to-Water Efficiency [%] Simulated at 700W/m2 Simulating pump performance on a partly cloudy day (700W/m2 peak) 30%
- Head Value at Maximum Efficiency [m] Simulated at 700W/m2 Simulating pump performance on a partly cloudy day (700W/m2 peak) 6.1
- Flow Rate at Maximum Efficiency [L/min] Simulated at 700W/m2 Simulating pump performance on a partly cloudy day (700W/m2 peak) 21.7
Low Irradiance Day - Fully Cloudy (450W/m2 peak)
- Low Irradiance Day: Hydraulic Energy per Day [Wh/day] Simulating pump performance on a fully cloudy day (450W/m2 peak) 30
- Low Irradiance Day: Average Wire-to-Water Efficiency [%] Simulating pump performance on a fully cloudy day (450W/m2 peak) 9%
- Low Irradiance Day: Total Volume of Water Moved per Solar Day [m3/day] Simulating pump performance on a fully cloudy day (450W/m2 peak) 1.4
- Low Irradiance Day: Hours of Operation [h] Simulating pump performance on a fully cloudy day (450W/m2 peak) 3.3
Average Irradiance Day - Partly Cloudy (700W/m2 peak)
- Average Irradiance Day: Hydraulic Energy per Day [Wh/day] Simulating pump performance on a partly cloudy day (700W/m2 peak) 181.5
- Average Irradiance Day: Average Wire-to-Water Efficiency [%] Simulating pump performance on a partly cloudy day (700W/m2 peak) 21%
- Average Irradiance Day: Total Volume of Water Moved per Solar Day [m3/day] Simulating pump performance on a partly cloudy day (700W/m2 peak) 8.3
- Average Irradiance Day: Hours of Operation [h] Simulating pump performance on a partly cloudy day (700W/m2 peak) 6.7
High Irradiance Day - Full Sun (1000W/m2 peak)
- High Irradiance Day: Hydraulic Energy per Day [Wh/day] Simulating pump performance on a fully sunny day (1000W/m2 peak) 434.4
- High Irradiance Day: Average Wire-to-Water Efficiency [%] Simulating pump performance on a fully sunny day (1000W/m2 peak) 27%
- High Irradiance Day: Total Volume of Water Moved per Solar Day [m3/day] Simulating pump performance on a fully sunny day (1000W/m2 peak) 19.9
- High Irradiance Day: Hours of Operation [h] Simulating pump performance on a fully sunny day (1000W/m2 peak) 9.2
Product Quality Inspection
- Pump External Workmanship and Quality Evaluation [poor/satisfactory/good] Good
- Pump Internal Workmanship and Quality Evaluation [poor/satisfactory/good] Good
- Pump Safety Evaluation [poor/satisfactory/good] Good
- Pump Operating Manual Evaluation [not included/poor/needs improvement/good] Not assessed
Sampling and Testing Information
- Sample Location Manufacturer Warehouse
- Retail Price [USD] N/A
- Test Laboratory Name Schatz Energy Research Center
- Test Completion Date [MM/DD/YYYY] 8/2/2019
Awards
- Global LEAP Awards Finalist (2019)