SR971,SR972 Solar station operation manual
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11. Technical data
Specification
SR971,SR972
Controller part
Power supply
AC230V±10%
Power consumption
＜
4W
Accuracy of temperature measuring
±2
o
C
Range of collector temperature measuring
-10
～
200
o
C
Range of tank temperature measuring
0
～
100
o
C
Suitable power of pump ot valve
4
个，
≤ 600W
Suitable power of electrical heater
1
个，
≤ 600W
Inputs
Total 5 sensor, thereof 4 sensors are
standard, 1 sensors are optinal.
1
x Pt1000 sensor (≤500
o
C) for collector T1
(silicon cable≤280
o
C),
3
x NTC10K, B3950 sensor (≤ 135
o
C) for
tank, (PVC cable ≤105
o
C),
Optional: 1 x N
TC10K, B3950 sensor (≤
135
o
C) for tank, (PVC cable ≤105
o
C),
Outputs
3 relays, for circulation pumps;
1 relay for electrical heater
Ambient temperature
-10
～
50
o
C
Water proof grade
IP42
Solar station parts
Appearance of solar station
420 mm×280mm×140mm
