Products
Products

Delta-T controller(ATC-SR988)
ABLE TO CONTROL 50 DIFFERENT SYSTEMS
 
     Main technical data

Appearance  of  controller:  see  product  itself  (  dimension:  190mm  x140mm  x40mm)
Power  supply:AC220V  ±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),
Outputs:5 relays, for circulation pumps or 3-way electromagnetic valve
Ambient temperature :-10oC ~ 50oC.
Water proof grade:IP40.
Socket : choice by customer
     Main functions
4.  Controller  functions
4.1  Access  main  menu
4.2  Access  submenu
4.3  Main  menu  THET  Timing  heating
4.4  DT  Temperature  difference  adjusting  function
4.5  TEMP  Temperature  main  menu
4.5.1  EM  Emergency  collector  temperature  (emergency  switch-off  temperature  of  collector)
4.5.2  CMX  Maximum  limited  collector  temperature  (collector  cooling  function)
4.5.3  CNN  Low  temperature  protection  of  collector
4.5.4  CFR  Frost  protection  of  collector
4.5.5  REC  Tank  re-cooling  function
4.5.6  SMX1  Maximum  temperature  of  tank  1
4.5.7  SMX2  Maximum  temperature  of  tank  2
4.5.8  SMX3  Maximum  temperature  of  tank  3
4.5.9  MAX1  Maximum  turnoff  temperature  (for  solid  fuel  boiler,  return  heating, 
  heat  transferring  between
tanks)
4.5.10  MIN1  Minimum  turn-on  temperature  (for  solid  fuel  boiler,  return  heating,  
heating  transferring
between  tanks)
4.6  FUN  Auxiliary  function
4.6.1  CIRC  Temperature  controlled  hot  water  circulation  pump
4.6.2  nMIN  Circuit  pump  speed  adjusting  (RPM  speed  controlling)
4.6.3  DTS  Standard  temperature  difference  (for  circuit  pump  speed  adjusting)
4.6.4  RIS  Increased  rate  (for  circuit  pump  speed  adjusting)
4.6.5  OHQM  thermal  energy  measuring
4.6.6  FMAX  Flow  rate
4.6.7  MEDT  Type  of  heat  transfer  liquid
4.6.8  MED%  Concentration  of  antifreeze
4.6.9  PRIO  Priority  logic  of  tank
4.6.10  TRUN  Heating  loading-  time
4.6.11  TSTP  Heating  interval-  time
4.6.12  DVWG  Anti-Legionella  function
4.6.13  BYPR  High  temperature  by-pass  function  (tank  temperature  automatically  adjusting)
4.7  HND  Manual  mode
4.8  PASS  Password  setting
4.9  RSET  Recovery  factory  setting
4.10  ON/OFF  button
4.11  Holiday  function
4.12  Manual  heating
4.13  Temperature  query  function
5.  Protection  function
5.1  Memory  protection
5.2  Anti-dry  heating  protection
5.3  Screen  protection
6.  Trouble  shooting
6.1  Trouble  protection
6.2  Trouble  checking