Operation manual of solar controller SR1568
Page 10 of 87
Output terminal
Input Ports L N: for power connection, L: live wire, N: zero wire, protective wire
Output R1:Semiconductor relays (SCR), designed for pump speed control, Max. Current: 1A
Output R2:Semiconductor relays (SCR), designed for pump speed control, Max. Current: 1A
Output R3:Semiconductor relays (SCR), designed for pump speed control, Max. Current: 1A
Output R4: Electromagnetic relays, designed for on/off control of pump or 3-ways
electromagnetic valve, Max. Current: 1A
Output R5: Electromagnetic relays, designed for on/off control of pump or 3-ways
electromagnetic valve, Max. Current: 1A
Output HR: Electromagnetic relays, designed for on/off control of back-up heating device,
Max. Current: 1A
R4, R5 terminals for 3-ways valve / pump connection
Valve with 3 wires Valve with 2 wires
Pump connection