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Products > Suitable for separated pressurized solar system > Type:SR658



2017 New Product!
Temperature measurement accuracy:0.1C
19systems can be programmer
Conventional/HE pump both available on
Support firmware update by SD card
Max.number of collectors:2
Max.number of storage tanks:2
Max.number of relays:7
Max.number of sensors:8
Max.number of visualization application system:19
Signal port for HE pump:PWM1,PWM2,PWM3
FRT:1*Digital flowmeter sensor
VFS:1*Grundfos flowmeter sensor

Main technical data:

Size of Controller: 208mm x158mm x43mm
Power supply: AC100-240V,50-60Hz. .  
Power consumption: < 2.5W
Rated impulse voltage: 2.5KV
Data interface: TF(micro SD)
Housing: Plastic ABS
Protection type: IP41
Protection class: 1
Degree of pollution: 2
Mounting: Wall mounting
Display: System-Monitoring-Display, for visualization of the systems, LED display, and background illumination
Operation: 5 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: 6 pump possible to be connected  
Suitable power of HK (backup heating): 1pc ˂1500W .
Inputs: 8 sensors,
2pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC),
6pcs*NTC10K, B3950 sensor (≤ 135oC) for tank, (PVC cable ≤105oC),
Outputs: 7 relays, for circulation pump and backup heating
3*Electronmagnetic relay, Max.current 1A
3*Semiconductor relay, Max.current 1A
1*Potential-free extra-low voltage relay(on/off signal)
3*PWM variable frequency output(switchable 0-10v)
Ambient temperature: -10oC ~ 50oC. 

Main functions:

DATE---Date setting
Light---Display lightness adjustable
Timed heat---backup heating
Circle---Hot water circulation
Sys—Application programmer
LOAD---Setup Loading tank1
LOAD2--- Setup Loading tank2
PUMP---Pump control mode
LLOGI---Tank loading logic
COOL---Cooling function
HEATX---Thermal energy transfer between tanks.
RPH---Preheat heating return function
AUX---Auxiliary function
MAN---Manual mode
BLPR---Blocking protection function
OTDIS---Thermal disinfection function
OPARR---Parallel relay function
OHQM---Thermal energy measurement
GFDS---Registration of Grundfos sensor
UNIT---C-F unit switch
OSDS---SD card
PASS--- password set
Firmware update
Holiday function
Screen Protection
Trouble Protection
Trouble Checking


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Add:Chuangxin road luoyang Industrial Park Wujin zone Changzhou city Jiangsu province China.