Solar Water Heaters > SR981s Solar Working Station [SR981S]
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SR981s SR981s
SR981 System SR981 System

Item Description

SR981s Solar Working Station

Introduction:

APPLICATIONS CAPACITY Max.number of collectors:2 Max.number of storage tanks:2 Max.number of relays:4 Max.number of sensors:7 Max.number of application system:15

Main technical data:

TECHNICAL  DATA
Dimension:  420mm*280mm*155mm
Power  supply:200V-240V  AC  or  100V-130V  AC50-60Hz.  .     
Power  consumption:  < 3W
Accuracy of temperature measuring: ? 2oC
Range of collector temperature measuring: -10oC ~200oC
Range of tank temperature measuring: 0oC ~100oC
Suitable power of pump: 3 pumps can be connected with a power of each pump < 200W .
Suitable power electrical heating:1 relay for 1500W(1500w-4000w must use SR802)
Inputs: 5sensors
2pcs*Pt1000 sensor (?500oC) for collector (silicon cable?280oC)
4pcs*NTC10K B3950 sensor (? 135oC) for tank (PVC cable ?105oC)
Outputs:4 relays for circulation pumps or 3-way electromagnetic valve
Ambient temperature:-10oC ~ 50oC.
Water proof grade: IP42.

Main functions:

MAIN  FUNCTIONS


Pump  support:
1.Normal  Pumps.
2.High  Efficiency  pumps.


Set  up  clock/week

Functions  operation  and  parameters  setup  (user  grade)
1  THET  Timing  heating 37
2  CIRC  DHW  circuilation  function  activated  /deactivated
3  tCYC  Tempeature  or  time  setting  for  DHW  pump  in  three  time  sections

Functions  operation  and  parameter  setup  (engineer  grade)
1.  DT  Temperature  difference  for  solar  circuit  pump
2.  EMOF  Maximum  switch-off  temperature  of  collector  (for  collector  emergency  close  function)
3.  CMX  Maximum  limited  temperature  of  collector  (collector  cooling  function)
4.  CMN  Low  temperature  protection  of  collector
5.  CFR  frost  protection  temperature  of  collector
6.  REC  Recooling  temperature  of  tank
7.  SMX1  Maximum  temperature  of  tank  1
8.  SMX2  Maximum  temperature  of  tank  1
9.  MAX1  Maximum  switch-off  temperature  for  heat  transfer  between  tank  and  heat  return
10.  MIN1  Minmium  switch-on  temperature  for  heat  transfer  between  tank  and  heat  return
11.  MAX2  Maximum  switch-off  temperature    for  heat  transfer  between  heat  exchanger  and  tank
12.  MIN2  Minmium  switch-on  temperature    for  heat  transfer  between  heat  exchanger  and  tank
13.  C?F  Switch  between  Celsius  and  Fahrenheit
 

SR981s
SR981s Solar Working Station
• Intelligent Fully Enclosed Working Station
• Max: 2 Collectors, 2 Tanks
QTY
$Ea.
1+
585
In stock
QTY
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