© STULZ GmbH, Hamburg
DE / 06-2016 / 1000687
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STULZ UltraSonic -System for duct humidification ENS 14 A - 18 A-
Operation
9.1.1.2.
Setting the operating mode
The control system supports five operating modes:
You can find additional setting parameters for individual applications in the Technical Manual for STULZ
UltraSonic master/slave control units USM/USS on our web site at
www.stulz.com
.
USM operating modes
Operating mode*
Application
Function
Default setting
1
**
Application 1
The humidifier capacity is set by an external
analog signal (0-100%) or a room hygrostat.
Input 1: External signal (0 - 10 V)
Default setting
2
Application 2
The humidifier capacity is set by an external
analog signal (0-100%) or a room hygrostat.
The humidity of the supply air is limited to an
adjustable maximum value.
Input 1: External signal (0 - 10 V)
Input 2: Supply air sensor (0 - 1 V)
Monitoring for sensor fracture
Default setting
3
Application 3
The supply air humidity is maintained at a
constant setpoint.
Input 2: Supply air sensor (0 - 1 V)
Monitoring for sensor fracture
Default setting
68
Application 4
Controlled room humidity
Input 1: Room sensor (0 - 1 V)
Monitoring for sensor fracture
Default setting
4
Application 5
Controlled room humidity. The supply air
humidity is limited to an adjustable maximum
value.
Input 1: Supply air sensor (0 - 1 V)
Monitoring for sensor fracture
Input 2: Room sensor (0 - 1 V)
Monitoring for sensor fracture
*For alternative options, see TH STULZ UltraSonic master/slave control units USM/USS.
**Factory setting
CAUTION
Parameterization.
The parameter that is to be set depends on the type of signal from the humidity sensor. Please read
the technical documentation of the humidity sensor.
Note
Summary of Contents for ENS 14 A
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