SOLAR WATER PUMP
DC CONTROLLER
User Manual
inverter.com
Email: sales@inverter.com
Web: https://www.inverter.com/
Tel: +1 800-585-1519 (Toll-free)
1. The DC controller will be burned out when the open-circuit voltage is higher than setting
value.
2. The DC controller must match with the recommended solar pumps.
3. Do not use the DC controller for other pumps. If cause any problems because of this
reason. We do not bare any responsibility.
4. For the perfect performance and long-life working, the DC controller should be kept
away from strike, shake, sunshine, salt mist, oil mist and etc.
5. Because of the power loss from cable, try to use the shortest cable.
6. While use longer cable, the cable connecting DC controller and solar panels should be
over 4mm2 (Do not use single wire type). While the cable between DC controller and
pump within 30m, the cable should be at least 2mm2. While over 30m, the cable should
be at least 4mm2.
CONTENTS
1. Overview .................................................................................................... 1
2. Specification .............................................................................................. 1
3. Installation and Wiring .............................................................................. 2
3.1 Solar Panel Selection ............................................................................................... 2
3.2 Solar Water Pumping System Installation Diagram .............................................. 4
3.3 Solar DC Controller Wiring Diagram ....................................................................... 4
3.4 Wiring Instructions ................................................................................................... 5
4. Operation ................................................................................................... 5
4.1 Operation Panel ........................................................................................................ 5
4.2 Key Instructions ....................................................................................................... 6
4.3 Test Running............................................................................................................. 6
4.4 Operation Mode ........................................................................................................ 7
5. Servicing and Maintenance ...................................................................... 9
6. Fault Analysis and Corresponding Solutions ......................................... 9
1. Overview
Controller and Pump Matching Method
Controller
Model
Adaptable
Pump
Max. Input
Current (A)
Max. Open
Voltage (V)
MPPT
Voltage
Range (V)
Working
Temperature
(℃)
DF-12
Rated 12V
Pump
15
＜48
30-48
-15~+60
DF-24
Rated 24V
Pump
15
＜48
30-48
-15~+60
DF-36
Rated 36V
Pump
15
＜48
30-48
-15~+60
DF-48
Rated 48V
Pump
15
＜100
60-90
-15~+60
DF-72
Rated 72V
Pump
15
＜150
90-120
-15~+60
DF-110
Rated 110V
Pump
15
＜200
110-150
-15~+60
1. Nameplate and caution
2. Operation panel
3. DC electric cable entrance
4. Water level sensor cable entrance
5. Pump electric cable entrance
2. Specification
Working Environment and Electrical Property
1
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