SmartBox
®
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®
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part no. 28 100 57 f
Fuel oil tank - wiring example SmartBox
®
1
Rain water reservoir - wiring example SmartBox
®
2
water for
domestic use
level probe
Relay 1:
6 - 7 = break contact
pump safe to run dry
Oil tank
Relay 2:
8 - 9 = make contact automatic backfeed
control system
Level probe
storm water reservoir
feed pump
drinking water
network
solenoid valve for
backfeed
optional switch
230 V AC