5 Installation at Site
24 of 64
Hya-Rain/Hya-Rain N
5.5.2 Connecting the level control system
5.5.2.1 Connecting the sensor
CAUTION
Liquids entering the terminal box
Damage to the sensors!
System defect!
▷
Mount the terminal box approx. 10 cm above the rainwater storage tank
overflow.
Overflow
K
S
K
S
K
S
K
S
min.
10 cm
SENSOR terminals
CABLE terminal
Data cable
Data cable connection
reverse polarity protected
SENSOR terminal
Connect sensor at terminal S.
The cables
must not be twisted.
To tighten the cable
the suspended sensor can end
just above the tank floor.
10 cm
PG2
PG3
PG1
Connect the cable
at terminal K.
100%
reference value
Mark the
sensors at
this point.
Fig. 11:
Connecting the sensor
1. Mount the terminal box supplied at least 10 cm above the overflow. Fasten it to
the rainwater storage tank wall or to a pipe.
ð
The sensors hang down straight and can move freely.
2. Cut the sensors, so the weights hang approx. 10 cm above the floor of the
rainwater storage tank.
3. Strip the ends of the power cables. Connect the cables to terminals K and S.
4. Tighten the cable glands.