Shandong Ultisolar New Energy Co., Ltd

SR728C1 Intelligent Controller for Solar Thermal System

 SR728C1-solar-controller

Introduce:

Max.number of collectors:2
Max.number of storage tanks:2
Max.number of relays:3
Max.number of sensors:5
Max.number of application system:10
 

Main technical data:

Dmension: 191mm x140mm x40mm
Power supply:200V-240V AC or 100V-130V AC50-60Hz. .  
Power consumption: < 3W
Accuracy of temperature measuring: ± 2oC
Range of collector temperature measuring: -10oC ~200oC
Range of tank temperature measuring: 0oC ~110oC
Suitable power of pump: 3 pumps possible to be connected power of each pump < 200W .  
Inputs: 5sensors
2pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC)
3pcs*NTC10K B3950 sensor (≤ 135oC) for tank (PVC cable ≤105oC)
Outputs:3 relays for circulation pumps or 3-way electromagnetic valve 
Ambient temperature:-10oC ~ 50oC.
Water proof grade: IP40.

Main functions:


Timing heating
Temperature difference control 2*ΔT
Collector emergency shutdown
Collector cooling function
Collector low temperature protection
Collector frost protection
Tank re-cooling function
Maximum temperature of tank ( 2*storage tanks)
Maximum turnoff temperature
(for solid fuel boiler return heating heat transferring between tanks)
Minimum turnon temperature
(for solid fuel boiler return heating heating transferring between tanks)
Anti-Legionella function
Temperature controlled hot water circulation pump
RPM speed controlling (1*semiconductor)
Thermal energy measuring
Priority logic of multiple-tanks(2*storage tanks)
High temperature by-pass function(Collector cooling down)
Manual Control( for 5 outputs:R1...R4H1)
Password setting
Recovery to factory setting
Holiday fucntion
Manual Heating
Temperature query function
Memory Protection
Screen protection
Trouble shooting
Trouble protection
Trouble checking
TECHNICAL DATA
Dmension: 191mm x140mm x40mm
Power supply:200V-240V AC or 100V-130V AC50-60Hz. .  
Power consumption: < 3W
Accuracy of temperature measuring: ± 2oC
Range of collector temperature measuring: -10oC ~200oC
Range of tank temperature measuring: 0oC ~110oC
Suitable power of pump: 5 pumps possible to be connected power of each pump < 200W .  
Inputs: 6 sensors
2pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC)
4pcs*NTC10K B3950 sensor (≤ 135oC) for tank (PVC cable ≤105oC)
Outputs:5 relays for circulation pumps or 3-way electromagnetic valve 
Ambient temperature:-10oC ~ 50oC.
Water proof grade: IP40.

System:

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