Shandong Ultisolar New Energy Co., Ltd

SR728C1 Solar Controllers Solar Water Heater Controllers Solar Smart Controllers

 

SR728C1 Solar Controllers Solar Water Heater Controllers Solar Smart Controllers

Picture  SR728C1-solar-water-heater-controllers
Model  SR728C1
Suitable for  Split solar water heater
Working Principle

 APPLICATIONS CAPACITY 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

Technical Data

 

Dimension:  100mm  x100mm  x65mm

Power  supply:  200V-240V  AC  or  100V-130V  AC,50-60Hz.      

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.

 

Voltage 220V,110V is availabe against request, 24V is available for 50 sets above order.
Main Function


APPLICATIONS  CAPACITY

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  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

Celsius  and  fahrenheit  transferring

Maximum  temperature  of  tank  (2*storage  tanks)

Maximum  turnoff  temperature  

(for  solid  fuel  boiler,  return  heating,  heat  transferring  between  tanks)

Minimum  turn-on  temperature  

(for  solid  fuel  boiler,  return  heating,  heating  transferring  between  tanks)

Anti-Legionella  function

Switch  on/off  temperature  of  solid  fuel  boiler( Independent of system)

RPM  speed  controlling(2*semiconductors)

Drain  back  functions

Thermal  energy  measuring

Priority  logic  of  multiple-tanks(  2*storage  tanks)

Pump  interval  function

High  temperature  by-pass  function(Collector  cooling  down)

Solar  circulation  bypass

Circulating  pump  delay  functionInternet  access

Manual  Control(  for  3  outputs:R1,R2,H1)

Password  setting

Recovery  to  factory  setting

Holiday  function

Manual  Heating

Temperature  query  function

Memory  Protection

Screen  protection

Trouble  shooting

Trouble  protection

Trouble  checking

System Diagram  SR728C1-solar-water-heater-controller-diagram
Packing List

 

Controller-------------------------------------------------------------------- 1 piece

Customer manual----------------------------------------------------------1 piece

 

PT1000 sensor (size:Ф6*50mm,cable1.5m)...........................................2

NTC10K(size:Ф6*50mm,cable 3m) ............................................................4

Plastic expansion screw .......................................................................................................3

Screw........................................................................................................................................................3

Strain-relief clamp  ......................................................................................................................1

 

 

Package per set  cm*cm*cm
Package 10 sets  cm*cm*cm
Net Weight  2kgs
Gross Weight  2kgs
User's Manual  
MOQ 1 set
Lead Time <100 sets: 2 days; >100 sets: 7 days

SR728C1 Solar Controllers Solar Water Heater Controllers Solar Smart Controllers

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