Delta-T Controller(ATC-SR728)

Main technical data
・ Appearance  of  controller:  see  product  itself  (  dimension:  191mm  x140mm  x40mm)
・ Power  supply:AC230V  ±10%      
・ Power  consumption:< 3W
・ Accuracy of temperature measuring: ± 2oC
・ Range of collector temperature measuring: -10 ~200 oC
・ Range of tank temperature measuring: 0 ~100 oC
・ Suitable power of pump: 5 pumps possible to be connected, power of each pump ≤ 600W .
・ Inputs: 6 sensors,
・ 2 piece Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC),
・ 4 pieces NTC10K, B3950 sensor (≤ 135oC) for tank, (PVC cable ≤105oC),
・ Output:5 pums(or three way electromagnetic valve)
・ Ambient temperature :-10oC ~ 50oC.
・ Water proof grade:IP40.

Main Functions

1      Access  main  menu
2      Access  submenu
3    Main  menu  THET  Timing  heating
4    DT  Temperature  difference  adjusting  function
5      TEMP  Temperature  main  menu
6    EM  Emergency  collector  temperature  (emergency  switch-off  temperature  of  collector)
7    CMX  Maximum  limited  collector  temperature  (collector  cooling  function)
8    CNN  Low  temperature  protection  of  collector
9    CFR  Frost  protection  of  collector
10    REC  Tank  re-cooling  function
11    SMX1  Maximum  temperature  of  tank  1
12    SMX2  Maximum  temperature  of  tank  2
13    MAX1  Maximum  turnoff  temperature  (for  solid  fuel  boiler,  return  heating,  heat  
transferring  between  tanks)
14    MIN1  Minimum  turn-on  temperature  (for  solid  fuel  boiler,  return  heating,  heating  transferring  between  tanks)
15        FUN  Auxiliary  function
16    DVWG  Anti-Legionella  function
17    CIRC  Temperature  controlled  hot  water  circulation  pump
18    nMIN  Circuit  pump  speed  adjusting  (RPM  speed  controlling)
19    DTS  Standard  temperature  difference  (for  circuit  pump  speed  adjusting)
20    RIS  Increased  rate  (for  circuit  pump  speed  adjusting)
21    OHQM  thermal  energy  measuring
22    FMAX  Flow  rate
23    MEDT  Type  of  heat  transfer  liquid
24    MED%  Concentration  of  antifreeze
25      PRIO  Priority  logic  of  tank
26    TRUN  Heating  loading-  time
27    TSTP  Heating  interval-  time
28    BYPR  High  temperature  by-pass  function  (tank  temperature  automatically  adjusting)
29      HND  Manual  mode
30      PASS  Password  setting
31    RSET  Recovery  factory  setting
32    ON/OFF  button
33    Holiday  function
34    Manual  heating
35    Temperature  query  function
36    Memory  protection
37    Anti-dry  heating  protection
38    Screen  protection