DOYIN DC Controller 1500W (DYS-170)

The DOYIN DYS-170 is a 1500W DC controller built specifically for solar-only submersible water pumps, managing power delivery from your solar array directly to the pump motor without any grid-power switching capability. It's a dependable, lower-cost control option for off-grid coastal properties in Mombasa, Malindi, Diani, Kilifi, and Lamu where the pump will run purely on solar throughout its operating life.

Rated for 1500W pump systems, the DYS-170 is matched to DOYIN's mid-capacity DC submersible pump models — specifically the 4SDS5-1500W (2.0HP) pump, which runs on a DC voltage range of 160–240V and pairs with a 4 x 550W solar array. Always confirm your specific pump model's wattage and voltage match this controller before installation, as running a pump with a mismatched controller can damage the motor.

This controller suits domestic boreholes, small farm irrigation systems, and community water points where solar is the sole power source and grid backup isn't required or available.

CoastalSolar Africa supplies and installs the DYS-170 DC controller, matched correctly to your DOYIN pump model and solar array, across the coastal region.

Specifications:

• Model: DYS-170
• Type: DC-only Pump Controller (solar power, no grid switching)
• Rated power: 1500W
• Compatible with: DOYIN 4SDS5-1500W (2.0HP) DC pump, voltage range DC 160–240V
• Matched solar array: 4 x 550W panels (per pump's ideal power rating)
• Application: Domestic and small farm borehole pump systems (solar-only)

FAQs:

What's the difference between the DYS-170 and DYS-170AD?
The DYS-170 is DC-only and works with solar power alone. The DYS-170AD is a hybrid version that can also switch to grid (AC) power as backup.

Which DOYIN pump uses the DYS-170 controller?
It's matched to the 4SDS5-1500W (2.0HP) DC pump model in the DOYIN range, which requires a 160–240V DC input from roughly 4 x 550W solar panels.

Can I add grid backup later with this controller?
No — the DYS-170 is DC-only. If you may need grid backup in future, the hybrid DYS-170AD is the better choice from the outset.

Do I need to match the exact voltage range?
Yes, correct voltage matching between panels, controller, and pump is essential — CoastalSolar Africa can confirm your array configuration before installation.

Do you supply and fit this controller in Kilifi and Malindi?
Yes, CoastalSolar Africa supplies and installs the DYS-170 controller, correctly matched to your pump model and solar array, across Mombasa, Malindi, Diani, Kilifi, Lamu, and the wider coastal region.