Twin line pumping group for solar systems

Main technical data

Technical  data:
Dimension  :L42cm×W28cm×H14cm
Power  Consumption?< 4W
 temperature measuring±2C
Range of collector temperature measuring?-10?200?C
Range of tank temperature measuring?0?100?C
Suitable power of pump:4pcs,< 600W
Suitable power of electrical heater:1pc,<1500W

Input:
One Sensor for collector (pt1000,probe≤500oC,Silicon cable≤280?C)
Two Sensors for tank (pt1000,probe≤135?C,pvc cable≤105?C)
working ambient temperature?-10?50oC
Water proof grade?IP43

Main functions
DTO  &  DTF    Temperature  difference  controlling  the  Solar  circuit  pump
THET--Timing  heating
EM --    Emergency  collector  temperature emergency  switch off 
CMX -- Maximum  limited  collector  temperature(collector  cooling  function)
CMN --low  temperature  protection 
CFR   --frost  protection 
SMX -- Maximum  temperature  protection on tank
REC  -- Tank  re-cooling  function
DVWG --Anti-Legionella  function
CIRC   --temperature  controlled  CIRC  hot  water  circuit  pump
CIRC    time  controlled  CIRC  hot  water  circuit  pump
nMIN  Solar  circulation  pump  speed  adjusting(RPM  speed  controlling)
Digital  flow  meter
OHQM  Thermal  energy  measuring
INTV  Pump  interval  fucntion
Auxiliary  function: 
a,  heating  return  rising,  b.  temperature  controling,  c:  high  temperature  reducing.  d:  by-pass  pipe
Holiday  function
HND  Manual  mode
PASS  Password  setting
LOAD  Recovery  to  factory  setting
Manual  Heating
Temperature  query  function
Memory  Protection
Screen  protection
Trouble  protection
ebus  function(far  distance  controlling  by  keypad  with  display)