1. Product Description
SR288 is used in a split pressurized solar water heater system.
Network connection function, remote control.
Intelligently controlled by the latest high-performance microcontroller from NXP.
All devices use industrial-grade standards to operate in cold, high-temperature, and humid environments, while using a clock chip for precise timing control.
The controller is LCD type, with beautiful appearance, stable and reliable performance, easy to install, as the most ideal accessory product for split pressure solar water heater.
Max.number of collectors:1
Max.number of storage tanks:1
Max.number of relays:4
Max.number of sensors:6
Max.number of Rotary vane electronic flowmeter (FRT):1
Max.number of 485 communication interface:1
Max.number of PWM frequency conversion output:2
THET---Timed auxiliary heating
CIRC---water-side circulating pump three-time temperature/time control function
LOAD---water tank heating setting
OCEM---heat collector emergency shutdown function
OCMI---the lowest temperature of the collector
OCFR---heat collector antifreeze function
PUMP---Water pump control mode (high efficiency pump speed control)
OSTC---water tank cooling
OTDI---high temperature sterilization function
FS---Flow monitoring and pump idling protection
UNIT---Conversion of Celsius and Fahrenheit
BEEP---Buzzer fault alarm function
2. Technical Parameters
Contactor unit of high power: SR802
When user selects electrical heater as back-up device, we recommend using SR802 unit connecting controller and electrical heater.
Technical data of SR802 Dimension: 100mmx100mmx65mm
Power supply:180V～264V/AC 50/60Hz
Suitable power: ≤ 4000W
Available ambient temperature: -10 ~ 50oC Water proof grade: IP43
3. Product installation
Operation Manual of the Intelligent Controller SR288