Solar Controller
Intelligent
Solar Collector
SolarMaster Intelligent Solar Collectors are suitable for both residential and commercial solar heating applications.
MODEL: SR501
SR501, micro-computer automatic controller for solar water heater, It is used to control integrated un-pressurized solar thermal system. It is developed using the latest NEC high-performance microcontroller to achieve intelligent control; All devices are industry standard and maintain good operation in cold, hot and humid environments.
At the same time, it uses a dedicated clock chip, accurate time control. The controller uses LCD liquid crystal display, the appearance of beautiful, stable and reliable performance, easy installation, making it the best matching products for solar water heater.
MAIN TECHNICAL DATA
 TECHNICAL  DATA
 
1.Dimension:205mmX150mmX50mm
2.Power supply:AC100-240V,50Hz
3.Accuracy of temperature measuring:±2℃ 
4.Range of tank temperature measuring:0~99℃ 
5.Accurancy of temperature control:±2℃ 
6.Power for water loading:≤200W
7.Power for self heating cable:≤600W
8.Power for heating element:≤1500W /3000W(Two model number can be choice)
9.The electromagnetic valve:  DC12V/   AC220V,(Optional pressure valve and low pressure valve) 
※Pressure valve working pressure:  0.02Mpa~0.8Mpa  (For direct water supply)
※Low-Pressure valve working pressure:  0.0Mpa (Water supply by water tank or low water pressure)
INSTALLATION DIAGRAM
SolarMaster Solar Controllers can be installed for different type of systems
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MODEL: SR609C
SR609C, micro-computer automatic controller for solar water heater, It is used to control integrated pressurized solar thermal system. 
MAIN TECHNICAL DATA
 TECHNICAL  DATA
 
1.Appearance of controller: see product itself ( dimension: 187mm x128mm x46mm). 
2.Power supply:200~240V/ AC  50/60Hz.
3.Power consumption:< 3W.  
4.Accuracy of temperature measuring:± 2oC.
5.Range of tank temperature measuring: 0 ~100 oC.
6.Suitable power of electrical heater, ≤ 2000W.
7.Control-able electric tracing R1, ≤600W(Optional)
8.Input signal: T tank temperature sensor, TC, electric tracing sensor(Optional) 
9.Output signal: H1 for electric heater, R1 for electric tracing. (Optional) 
10.Ambient temperature:-10oC ~ 50oC.
11.Water proof grade:IP40. 
INSTALLATION DIAGRAM
SolarMaster Solar Controllers can be installed for different type of systems
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MODEL: SR81
SR81, micro-computer automatic controller for solar water heater, It is used to control split pressurized solar thermal system. 
MAIN TECHNICAL DATA
 TECHNICAL  DATA
 
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

FRT:1* Rotary vane type electron flow meter
Size of Keypad:120mm x 120mm x 18mm
Size of Controller(1.5KW version): 187mm x128mm x46mm
Size of Controller(3KW version): 218mm x165mm x55mm
Size of Controller(4KW version): 218mm x165mm x55mm
Power supply: AC100-240V,50-60Hz. .  
Power consumption: < 2.5W
Rated impulse voltage: 2.5KV
Housing: Plastic ABS
Protection type: IP41
Mounting: Wall mounting
Operation: 10 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: 3 pump possible to be connected  
Suitable power of HK (backup heating):
1pc(1.5KW version) ˂1.5KW
1pc(3KW version) ˂3KW
1pc(4KW version) ˂4KW
Inputs: 5 sensors,
1pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC),
4pcs*NTC10K, B3950 sensor (≤ 135oC) for tank, (PVC cable ≤105oC),
1*FRT Rotary vane type electron flow meter
Outputs: 4 relays, for circulation pump and backup heating
3*Electronmagnetic relay, Max.current 2A
HK relay(1.5KW version):10A
HK relay(3KW version):15A
HK relay(4KW version):20A
Ambient temperature: -10oC ~ 50oC.
Water proof grade: IP41
INSTALLATION DIAGRAM
SolarMaster Solar Controllers can be installed for different type of systems
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