SR81/Sr868 1500W Solar Controllers for Split Pressurized Solar Hot Water Heater
| Customization: | Available |
|---|---|
| After-sales Service: | Technical Support |
| Warranty: | 1 Year |
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Basic Info.
- Model NO.
- SR81/SR868C8
- Condition
- New
- Certification
- ISO, CE
- Application
- Collector Controller, Water Heater Controller, Solar System Controller, Solar Working Station
- Rated Voltage
- 220V1500W
- Transport Package
- Carton
- Specification
- 32X25X7 cm
- Origin
- Jiangsu, China
- HS Code
- 9032899099
Product Description
SR81/SR868 1500W Solar Controllers for Split Pressurized Solar Water Heater
1.1 Overview
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SR81 is an upgraded version of SR868C8.
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SR81/SR868 is used in a split pressurized solar water heater system.
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Intelligently controlled by the latest high-performance microcontroller from NXP.
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All devices use industrial-grade standards to operate in cold, high-temperature, and humid environments, while using a clock chip for precise timing control.
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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.
1.2 Applications capacity
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Max.number of collectors:1
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Max.number of storage tanks:1
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Max.number of relays:4
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Max.number of sensors:5
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Max.number of visualization application system: 1
1.3 Main functions
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DATE---Date setting
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Timed heat---backup heating
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Circle---Hot water circulation
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LOAD---Setup Loading tank1
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COL---Collector1
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PUMP---Pump control mode
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COOL---Cooling function
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AUX---Auxiliary function
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MAN---Manual mode
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BLPR---Blocking protection function
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OTDI---Thermal disinfection function
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FS---Flow meter type selection.
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UNIT---C-F unit switch
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RST---factory setting
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PASS--- password set
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Holiday function
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Screen Protection
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Trouble Protection
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Trouble Checking
1.4 Delivery scope
| Components | Quantities | Remarks |
| Controller | 1pc | SR81 |
| Operation manual | 1pc | |
| PT1000 sensor | 1pc | ∅ 6*50mm,cable length 1.5mm |
| NTC10K | 2pcs | ∅ 6*50mm,cable length 3m |
| Accessory bag | 1pc | |
| Power cable | 1pc |
2.1 Technical parameters
| Parameter | Value |
| Size of Keypad | 120mm×120mm×18mm |
| Size of Controller | 1.5KW version:187mm×128mm×46mm 3KW/4KW version:218mm×165mm×55mm |
| Power supply | AC100~240V 50~60Hz |
| Power consumption | < 2.5W |
| Measure accurate | ± 2ºC |
| Measure scope of collector sensor | -10~220ºC |
| Measure scope of tank sensor | 0~110ºC |
| Available power of R1 electrical themal trace | < 5000W |
| Available pump P2 can be controlled | pump power <200W |
| Available electrical heater can be controlled H1 | 1pc(1.5KW version)<1.5KW 1pc(3KW version)<3KW 1pc(4KW version)<4KW |
| T1 | Collector:1*PT1000,≤ 500ºC(Sillicon cable ≤ 280ºC) |
| T2,T3 | NTC10K,B=3950,≤ 135ºC(PVC cabke ≤ 105ºC) |
| T4,T3 | Optional sensor: NTC10K,B=3950,≤ 135ºC(PVC cabke ≤ 105ºC) |
| Amblent temperature | -10~50ºC |
| Water proof grade | IP41 |
2.2 Optional accessories
2.2.1 Electromagnetic relay : SR802,can control electric heating of ≤4000W.
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.
3.1 SR208C Installation diagram
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