Solar group pump station SR881

APPLICATIONS CAPACITY Max.number of collectors:1 Max.number of storage tanks:1 Max.number of relays:2 Max.number of sensors:3 Max.number of application system:1

TECHNICAL  DATA
Diamension:**0mm***0mm***5mm
Installation:  wall  mountingalso  suitable  for  mounting  into  patch  panels
Power  supply:**0V***0V  AC  or  **0V***0V  AC****0Hz.  .     
Power  consumption:  < 3W
Accuracy of temperature measuring: ± 2oC
Range of collector temperature measuring: **0 ~**0oC
Range of tank temperature measuring: 0 ~**0oC
Suitable power of pump: 2 pumps possible to be connected power of each pump < **0W .
Inputs: 3 sensors
Pt***0 sensor (≤**0oC) for collector (silicon cable≤**0oC)
NTC*0K B***0 sensor (≤ **5oC) for tank (PVC cable ≤**5oC)
Outputs:2 relays for circulation pumps or *-way electromagnetic valve
Ambient temperature:**0oC ~ *0oC.
Water proof grade: IP*0.

MAIN  FUNCTIONS
Timing  heating
Temperature  difference  control  1*ΔT
Collector  emergency  shutdown
Collector  cooling  function
Collector  low  temperature  protection
Collector  frost  protection
Tank  re-cooling  function
Celsius  and  Fahrenheit  temperature  switch
Maximum  temperature  of  tank(max.number  1)
Anti-Legionella  function
Temperature  controlled  hot  water  circulation  pump
RPM  speed  controlling(1*semiconductor)
Thermal  energy  measuring
Pump  interval  functions.
High  temperature  by-pass  function
Manual  Control(  for  2  outputs:P1H1)
Password  setting
Recovery  to  factory  setting
Holiday  fucntion
Manual  Heating
Temperature  query  function
Memory  Protection
Screen  protection
Trouble  shooting
Trouble  protection
Trouble  checking