EN / 10-2015 / 1000683
© STULZ GmbH, Hamburg
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32
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Open-loop and closed loop control
STULZUltraSonic-SystemforDirectRoomHumidificationBNB-
6.2.
ON/OFF control module
The ON/OFF control module is an ON/OFF control system with integrated transformer and automatic
circuitbreaker,forconnecting1-2smallultrasonichumidifiers(seeconfigurationtable"4.5. Technical
data" on page 18)andactuating1-2solenoidvalves(normallyopen).Atimeschedulingrelaycontrols
theflushingandoperatingcycles.Anexternalhygrostatcanalsobeconnected.Thevalveisconnected
to the ON/OFF control module via DIN connectors.
6.3.
Accessory sets (controlled by on-site switch gear cabinet)
Accessory sets consist of individual components for creating a control system in the on-site switch gear
cabinet. This control system can also be used with an external control signal. When wiring the switch
gear cabinet, connect the supplied TVS diodes parallel to the Nebulizer print plate to protect the trans-
ducers.Inaddition,usethesuppliedcontactorforthewatertankfilllevelandconnectittothesupplied
RC element.
CAUTION
The wrong TVS diodes can cause damage.
Different TVS diodes can damage the unit!
●
Use genuine STULZ spare parts.
NOTICE
CAUTION
The wrong contactor coils can cause damage.
Different contactor coils can damage the unit!
●
Use genuine STULZ spare parts.
NOTICE
Accessory set for controlling the STULZ UltraSonic humidifier
Set
Transformer
TVS
diode
RC
element
Con tac-
tor
Condenser
Interference
suppression
filter
Proportional
adapter
Item
number
For mounting a two-point control
BNB 8000 A
1 x 1300 VA
2 x
1 x
1 x
1 x
1 x
K87073
BNB 2000 A + 3000 A 1 x 320 VA
1 x
1 x
1 x
1 x
1 x
K87074
BNB 6000 A
1 x 500 VA
1 x
1 x
1 x
1 x
1 x
K87075
BNB 5000 A
1 x 500 VA
2 x
1 x
1 x
1 x
1 x
K87076
BNB 1000 A
1 x 160 VA
1 x
1 x
1 x
1 x
1 x
K87080
For mounting a proportional control for an external control signal
BNB 8000 A
1 x 1300 VA
2 x
1 x
1 x
1 x
1 x
1 x
K87086
BNB 2000 A + 3000 A 1 x 320 VA
1 x
1 x
1 x
1 x
1 x
1 x
K87087
BNB 4000 A
1 x 500 VA
1 x
1 x
1 x
1 x
1 x
1 x
K87088
BNB 5000 A
1 x 500 VA
2 x
1 x
1 x
1 x
1 x
1 x
K87089
BNB 1000 A
1 x 160 VA
1 x
1 x
1 x
1 x
1 x
1 x
K87091
The optional accessory sets consist of unmounted components for installing in an on-site switch gear cabinet.