SR81 Solar Thermal Controller for Split Solar System to Replace SR868C8 - SWH Controller - Shandong Ultisolar New Energy Co., Ltd

Shandong Ultisolar New Energy Co., Ltd

SR81 Solar Thermal Controller for Split Solar System to Replace SR868C8

 

BRIEF DESCRIPTION
 
SR868C8 updated version
Temperature measurement accuracy:0.1C
10 push buttons at the front cover.
5 variants version can be optional
With separate keypad

Main technical data:

APPLICATIONS CAPACITY
Max.number of collectors:1
Max.number of storage tanks:1
Max.number of relays:4
Max.number of sensors:5
Max.number of visualization application system: 1

FRT:1* Rotary vane type electron flow meter
Size of Keypad:120mm x 120mm x 18mm
Size of Controller(1.5KW version): 187mm x128mm x46mm
Size of Controller(3KW version): 218mm x165mm x55mm
Size of Controller(4KW version): 218mm x165mm x55mm
Power supply: AC100-240V,50-60Hz. .  
Power consumption: < 2.5W
Rated impulse voltage: 2.5KV
Housing: Plastic ABS
Protection type: IP41
Mounting: Wall mounting
Operation: 10 push buttons at the front cover.
Accuracy of temperature measuring: ± 0.1oC
Range of collector temperature measuring: -10oC ~220oC
Range of tank temperature measuring: 0oC ~110oC
Suitable power of pump: 3 pump possible to be connected  
Suitable power of HK (backup heating):
1pc(1.5KW version) ˂1.5KW
1pc(3KW version) ˂3KW
1pc(4KW version) ˂4KW
Inputs: 5 sensors,
1pcs*Pt1000 sensor (≤500oC) for collector (silicon cable≤280oC),
4pcs*NTC10K, B3950 sensor (≤ 135oC) for tank, (PVC cable ≤105oC),
1*FRT Rotary vane type electron flow meter
Outputs: 4 relays, for circulation pump and backup heating
3*Electronmagnetic relay, Max.current 2A
HK relay(1.5KW version):10A
HK relay(3KW version):15A
HK relay(4KW version):20A
Ambient temperature: -10oC ~ 50oC.
Water proof grade: IP41

Main functions:

DATE---Date setting
Timed heat---backup heating
Circle---Hot water circulation
LOAD---Setup Loading tank1
COL---Collector1
PUMP---Pump control mode
COOL---Cooling function
AUX---Auxiliary function
MAN---Manual mode
BLPR---Blocking protection function
OTDI---Thermal disinfection function
FS---Flow meter type selection.
UNIT---C-F unit switch
RST---factory setting
PASS--- password set
Holiday function
Screen Protection
Trouble Protection
Trouble Checking

 Manual Download

 

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