User Manual

42
Installation and wiring
Type 8025 /8035 Batch
7.6.12 Wiring the relay outputs DO2 and
DO3 of a compact, a panel-mounted
or a wall-mounted version
To▶carry▶out▶a▶dosing,▶connect▶a▶valve▶to▶the▶relay▶output▶
DO2.
The▶device▶can▶control:
•▶ either▶a▶dosing▶with▶a▶single▶valve▶connected▶to▶the▶relay▶output▶
DO2.
•▶ or▶a▶dosing▶with▶2▶valves▶connected▶to▶the▶relay▶outputs▶DO2▶and▶
DO3.▶In▶this▶case,▶connect▶the▶main▶valve▶(for▶the▶highest▶flow▶
rates)▶to▶output▶DO2▶and▶the▶auxiliary▶valve▶(for▶low▶flow▶rates)▶to▶
output▶DO3.
If▶a▶single▶valve▶is▶used,▶connect▶a▶load▶to▶relay▶output▶DO3▶suited▶
for▶the▶configuration▶of▶the▶output.
FLOW
SENSOR
SUPPLY
NC
COIL
PULSE
INPUT
NPN/PNP
213PE
+-
DO2
DO3
OFFON
230 V AC
m
3 A
3 A
230 V AC
Fig. 34: Wiring of the DO2 and DO3 relay outputs
▶→ To▶configure▶the▶relay▶output▶DO2,▶Refer▶to▶the▶detailed▶oper-
ating▶instructions.
▶→ To▶configure▶the▶relay▶output▶DO3,▶Refer▶to▶the▶detailed▶oper-
ating▶instructions.
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