SR81 is an upgraded version of SR868C8. SR81/SR868 is used in a split pressurized solar water heater system. Intelligently controlled by the latest high-performance microcontroller from NXP.
SR81 Solar Water Heater Controller for Split Solar Water Heater Controller updated Version of SR868C8
SR81 is an upgraded version of SR868C8.
SR81/SR868 is used in a split pressurized solar water heater system.
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:5
Max.number of visualization application system: 1
DATE—Date setting
Timed heat—backup heating
Circle—Hot water circulation
LOAD—Setup Loading tank1
COL—Collector1
PUMP—Pump control mode
COOL—Cooling function
AUX—Auxiliary function
MAN—Manual mode
BLPR—Blocking protection function
OTDI—Thermal disinfection function
FS—Flow meter type selection.
UNIT—C-F unit switch
RST—factory setting
PASS— password set
Holiday function
Screen Protection
Trouble Protection
Trouble Checking
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