Solar working station operation manual SR881
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7. Quality Guarantee
Manufacturer provides following quality responsibilities to end-users: within the period of
quality responsibilities, manufacturer will exclude the failure caused by production and
material selection. A correct installation will not lead to failure. When a user takes incorrect
handling way, incorrect installation, improper or crud handling, wrong connection of sensor
in system and incorrect operation, the quality responsibility is invalid for them.
The warrantee expires within 24 months after the date of purchasing the controller.
8. Technical data
Specification
Data
Power supply
200
～
240V/AC, 50
～
60Hz
Power consumption
＜
3W
Accuracy of temperature measuring
±2
o
C
Range
of
collector
temperature
measuring
-10
～
220
o
C
Range of tank temperature measuring
0
～
110
o
C
Suitable power of pump
2 pump
，
≤ 200W
Suitable power of electrical heater
1 heater
，
≤ 1500W
Inputs
1 x Pt1000 sensor (≤500
o
C) for collector
(silicon cable≤280
o
C),
4
x NTC10K, B3950 sensor (≤ 135
o
C) for
tan
k, (PVC cable ≤105
o
C),
Outputs
2 relay for circulation pumps
1 relay for electrical heater
Ambient temperature
-10
～
50
o
C
Water proof grade
IP40
