2025 New Solar Controller SR223 For Multiple Split Solar Water Heating Systems,Mobile APP Control 485 Communication Interface

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• Description

  Description

  SPECIFICATIONS

  Application: Water Heater Controller

  Brand Name: NoEnName_Null

  Certification: CE

  High-concerned chemical: None

  Is Smart Device: Yes

  Model Number: SR223

  Origin: Mainland China

  is_customized: Yes

  

  
  

  Introduce:

  LCD large display screen

  5 * relay outputs 

  1 * low voltage relay output for boiler on/off control 

  7 * sensor inputs 

  1 * Input for Grundfos Direct Sensor TM (VFS) 

  1 * Input for (FRT)rotary blade electronic flow meter 

  3 * Variable frequency PWM outputs for the speed control of the high efficiency pump 

  7 systems available for selection 

  485 communication interface

  Mobile APP control

  Main technical data:

  Inputs： 

  2* PT1000 temperature sensors 

  5* NTC10K, B=3950 temperature sensors 

  1* analog input for Grundfos Direct Sensor TM ( VFS ) 

  1* input for Rotary blade electronic flow meter(FRT) 

  Output： 

  3* Electromagnetic relay, Max. current 1A 

  3* Semiconductor relay, Max. current1A 

  1* low voltage relay (on/off signal) , boiler on/off control 

  3* PWM variable frequency output (switchable 0-10V) 

  1* 485 communication interface

  Power supply: 100…240V AC

  Rated impulse voltage:2.5KV 

  Data :TF（Micro SD）

  Housing：Plastic ABS 

  Mounting：Wall mounting 

  Operation: 5 push keys at the front cover 

  Protection type: IP41

  Ambient temperature: 0 ... 40 °C 

  Dimensions: 208*158*43mm 

  
  

  Main functions:

  Date(Time/ Date set)

  THET Timed back-up heating

  CIRC circuit pump controlled by temperature in three time - sections / flow switcher and by three time sections

  SYS system selection

  LOAD/LOAD2 Tank heating set 

  COL/COL2 Collector function

  PUMP Pump control mode

  LLOGITank priority logic 

  COOLCooling function

  HEATX Energy exchange between tanks

  RPH Heating return pipe preheat

  SFB Solid fuel boiler function

  AH Thermostat function

  BEEP Beeper fault warning

  MAN Manual mode

  BLPR Block protection function

  OTDI Thermal disinfection function

  OPARR Parallel relay

  OHQM Heat quantity measurement

  FS Flow meter selection and flow rate monitor

  UNIT Unit switch 

  WLAN WiFi module configuration

  RST Reset

  Holiday function

  Screen protection

  Trouble protection

  Trouble checking

  system installation

  System:

  

  
  

  Delivery List:

  
  

  1 * SR223 controller

  1 * user manual

  2 * screw and plastic bolt

  2 * P1000 temperature sensor (φ6*50mm,cable length 1.5meter)

  4 *NTC10K temperature sensor (φ6*50mm,cable length 3meter)

  1 *Accessories bag

  
  

• Shipping and returns

  Shipping and returns

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