BW SOLAR Waterboy, Installation Manual

Page: 13 / 27

13
Wiring Diagram for Solar Modules in Series/Parallel (2x2)
*Warning: Incorrect wiring configuration can cause controller damage*
Wiring Diagram for Solar Modules in Series/Parallel on Single Array (4x2)
*Warning: Incorrect wiring configuration can cause controller damage*
Branch plug
Branch socket
- + - + - + - +
- + - + - + - +
NOTE: Check voltage on each set of 4 panels is balanced
before connecting to DC Isolator.
Incorrect connection could damage controller.
DC Isolator
or Circuit
Breaker
24-48 V Controller has an open circuit max of 100 V DC
110 V Controller has an open circuit max of 200 V DC
!
+ Solar
- Solar
L1, L2, L3 to Pump
NOTE: Branch plug has one +ve output
Branch socket has one -ve output
Branch plug
Branch
socket
- + - + - + - +
DC Isolator
or Circuit
Breaker
+ Solar
- Solar
L1, L2, L3 to Pump
24-48 V Controller has an open circuit max of 100 V DC
110 V Controller has an open circuit max of 200 V DC
!