Description

SYSTEM INCLUDES:

• 1 * SR81 controller
• 1 * user manual
• 1 * PT1000 Solar Collector Temperature sensor (φ6*50mm,cable length 1.5meter)
• 2 * NTC10K Tank Temperature sensor (φ6*50mm,cable length 3meter)
• 1 *10A power cable ( Note: controller for 3000W electrical heater has no power cable delivered, user should prepare a cable of 2.5mm2)

INPUT PORTS

• T1: PT1000 temperature sensor, for measuring the temperature of collector
• T2 ~T5: NTC10K, B=3950 temperature sensor, for measuring temperature of tank and pipe.
• FRT: For rotary vane type electronic flow meter

1500W OUTPUT PORTS

• Input Ports L, N: for power connection, L: live wire, N: zero wire, protective wire, with 10A power plug.
• Output R1: Electromagnetic relays, Max. Current: 2A
• Output R2: Electromagnetic relays, Max. Current: 2A
• Output R3: Electromagnetic relays, Max. Current: 2A
• Output HR: Electromagnetic relays, designed for on/off control of back-up heating device, Max. Current: 10A ( @AC230V, for 1500W electrical heater, @110VAC, for 750W electrical heater)

Solar Controller Manual: SR81-EN-20160721