Controller SR288 for Split Pressurized Solar Hot Water Heating System with RS485

Controller SR288 for Split Pressurized Solar Hot Water Heating System with RS485

DESCRIPTION
- Temperature measurement accuracy:0.1C
- RS485 communication port
- Combine with wifi module can internet access
- Conventional/HE pump both available on
- Free offer remote monitor management server.
- APPLICATIONS CAPACITY
- Max.number of collectors: 1
- Max.number of storage tanks: 1
- Max.number of relays: 5
- Max.number of sensors: 6
- Max.number of visualization application system: 1
- Signal port for HE pump: IPWM1
- Communication port: 1*rs485
- FRT:1*Rotary vane type electronic flow meter

Technical Data
- Size of Coroller: 187mm x128mm x46mm
- Power supply: AC100-240V50-60Hz.
- Power consumption: < 2.5W
- Rated impulse voltage: 2.5KV
- 485 current supply: 60mA
- Housing: Plastic ABS
- Protection type: IP41
- Mounting: Wall mounting
- Operation: 6 push buttons at the front cover.
- Accuracy of temperature measuring: ± 0.1oC
- Range of collector temperature measuring: -10oC ~220oC
- Range of tank temperature measuring: 0oC ~110oC
- Suitable power of pump: 4 pump possible to be connected  
- Suitable power of HK (backup heating): 1pc <1500W .
- Inputs: 6 sensors
- 1pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC)
- 4pcs*NTC10K B3950 sensor (≤ 135oC) for tank (PVC cable ≤105oC)
- Outputs: 5 relays for circulation pump and backup heating
- 2*Electronmagnetic relay Max.current 1A
- 2*Semiconductor relay Max.current 1A
- 1*Potential-free extra-low voltage relay(on/off signal)
- 2*PWM variable frequency output(switchable 0-10v)
- Ambient temperature: -10 ~ 50 degree C.
- Water proof grade: IP41

Main Functions:
- 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
- OPARR---Parallel relay function
- OHQM---Thermal energy measurement
- FS---Flow meter type selection
- UNIT---C-F unit switch
- OSDS---SD card
- REST---reset
- PASS--- password set
- Holiday function
- Screen Protection
- Trouble Protection
- Trouble Checking

Packing list
- 1 * SR288 controller
- 1 * Accessory bag
- 1 * User manual
- 1 *PT1000 temperature sensor (Dia. 6*50mm,cable length 1.5meter)
- 4 *NTC10K temperature sensor (Dia. 6*50mm,cable length 3meter)