INTRODUCE
For below solar hot water system :
Split type high pressure system
Split type Low / Non pressure system + Assistant tank with float ball
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 visualization application system:1
TECHNICAL DATA
Size of Controller:178mm x120mm x43mm
Power supply:AC100-240V,50-60Hz. .
Power consumption: < 2.5W
Accuracy of temperature measuring: ± 0.1oC
Range of collector temperature measuring: -10oC ~220oC
Range of tank temperature measuring: 0oC ~110oC
Conventional/High efficiency pump both available on
Inputs:
1pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC),
2pcs*NTC10K, B3950 sensor (≤ 135oC) for tank, (PVC cable ≤105oC),
# 1pcs * 485 communication port(Optional)
Outputs:
R1 : For conventional/High efficinecy circulation pump , maximum current 1A .
HR : For backup heating ,maximum current 2A , It can connect with SR802 high power relay .
# PWM : variable frequency output (on/off switchable, 0-10V)
Ambient temperature:-10oC ~ 50oC.
Water proof grade: IP41
Delivery list
1 * SR208C controller
1 * accessory bag
1 * user manual
1 * PT1000 temperature sensor (φ6*50mm,cable length 1.5meter)
2 * NTC10K temperature sensor (φ6*50mm,cable length 3meter)
Main functions:
CLK time setup
AH Afterheating/thermostat
PWDPassword protection
LOAD Tank heating
OCEM Collector emergency shutdown
OCCO Collector cooling
OCMI Collector minimum temperature
OCFR Antifreeze
OTCO Tube collector
PUMP Pump control mode
OSYC System cooling
OSTC Tank cooling
MAN Manual mode
BLPR Blocking protection
OTDI Thermal Disinfection
UNIT C-F switch
BEEP beeper fault warning
Memory function
Screen protection
Trouble checking