SR728C1 solar heater controller
Introduction

1, Features:

 

Application 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

Max.number of visualization application system: 1

 

2, Technical datas:

 

<1> Dimension: 100x100x65mm

<2> Power supply: 200V-240V  AC  or  100V-130V  AC,50-60Hz.      

<3> Power consumption:  < 3W 

<4> Accuracy of temperature measuring: ± 2oC

<5> Range of collector temperature measuring: -10oC ~200oC

<6> Range of tank temperature measuring: 0oC ~110oC

<7> Suitable power of pump: 3 pumps possible to be connected, power of each pump < 200W . 

<8> Inputs:5sensors, 

       2pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC),

       3pcs*NTC10K, B3950 sensor (≤ 135oC) for tank, (PVC cable ≤105oC), 

<9> Outputs:3 relays, for circulation pumps or 3-way electromagnetic valve 

<10> Ambient temperature:-10oC ~ 50oC.

<11> Water proof grade: IP40.

 

3, Main functions:

 

<1> Timing  heating

<2> Temperature  difference  control    2*ΔT

<3> Collector  emergency  shutdown

<4> Collector  cooling  function

<5> Collector  low  temperature  protection

<6> Collector  frost  protection

<7> Tank  re-cooling  function

<8> Celsius  and  fahrenheit  transferring

<9> Maximum  temperature  of  tank  (2*storage  tanks)

<10> Maximum  turnoff  temperature  

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

<11> Minimum  turn-on  temperature  

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

<12> Anti-Legionella  function

<13> Switch  on/off  temperature  of  solid  fuel  boiler( Independent of system)

<14> RPM  speed  controlling(2*semiconductors)

<15> Drain  back  functions

<16> Thermal  energy  measuring

<17> Priority  logic  of  multiple-tanks(  2*storage  tanks)

<18> Pump  interval  function

<19> High  temperature  by-pass  function(Collector  cooling  down)

<20> Solar  circulation  bypass

<21> Circulating  pump  delay  functionInternet  access

<22> Manual  Control(  for  3  outputs:R1,R2,H1)

<23> Password  setting

<24> Recovery  to  factory  setting

<25> Holiday  function

<26> Manual  Heating

<27> Temperature  query  function

<28> Memory  Protection

<29> Screen  protection

<30> Trouble  shooting

<31> Trouble  protection

 

<32> Trouble  checking

 

4, Payment

 

<1> T/T(wire transfer)

<2> L/C at sight

<3> 30% T/T in advance as deposit, the rest paid before shipment

<4> 30% T/T in advance as deposit, the rest paid against B/L copy

 

5, Our advantages:

 

<1> We have 8 senior engineers working on development. that will make us lead the trend whatever on structure or technolgy

<2> 15 QC control the quality, just make sure all is right

<3> Aftersale service is quick, any problem you mentioned will be dealt with in 24 hours!

<4> Our professional salesmen always online for your questions

 

6, Contact:

 

Mr Krista Zhang

 

Position: Sales manager

Phone: 86-573-87090146

Mob/Whatsapp: +8618857389277

Facebook/Wechat: Zilansolar

Twitter: zhangkrista Skype: Krista025

Website: www.zilansolar.com

 

For more details, pls send email to us, thanks!

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