Operation manual of solar water controller SR601
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2.3 Terminal connection
Before to open the terminal, please be sure to switch-off the
power supplier and pay attention to the local electricity supply
rules.
Terminal Layout.
Power Connection
1. Please note the
type of power
supply required
from the type
plate on the
case of the
device
2. The protective
conductor
（
GND
）
which
two colors must
be connected
also.
Inputs:
T, 1&2&3
1.Port T:
Temperature sensor
for heating
cable(NTC10K)
2.Water level and
temperature sensor
input:
1)If silicon-
sensor(B01 or B02)
was connected on
Port1:
connect red wire
Port2:
connect white wire
Port3:
connect black wire
2)If ion-sensor(B03)
was connected on
Port1:
Outputs:
P1,P2, R1
1.Output P1:
Electromagnetic relay, for
pressure increasing
pump, max. switching
current: 5A
2.Output P2:
electromagnetic relay,
maximal switching
current: 5A , P2 is used
for electrical heating cable
3.Output R1: for
electromagnetic vale of
loading water ,
outlet voltage:DC12V
