SR981S/SR982S operation manual of solar pump station
Page 13 of 85
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Sensor cables may be extended to a maximum length of ca. 100 meters, when
cable’s length is up to 50m, and then 0.75mm
2
cable should be used. When cable’s
length is up to 100m, and then 1.5mm
2
cables should be used.
Output ports
Output R1:
electromagnetic relay, max. switching current 3.5A
Output R2:
electromagnetic relay, max. switching current 3.5A
Output R3:
electromagnetic relay, max. switching current 3.5A
Output H1:
electromagnetic relay, max. switching current 3.5A, (for back-up heat
source)
Note: P1
、
P2 solar pumps have been wired on built controller,so no position on the
output ports.
6. Operation manual of built-in controller
6.1 Operation button
Set button Exit/confirm upwards downwards
ON/OFF button manual heating Holiday button
Note:
Connect the sensors, pumps or switching valves to the controller before you connect
the power.
After power is switched on, you can set time, password, select system and relevant
parameters.