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Stulz Ultra Series - Alarm Set Points

Stulz Ultra Series
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STULZ Ultra-Series Humidifier Controller
(August, 2013) 27
Limit Set Point: 80.0%
STATUS--------------------
Temp: 74.6°F
Hum: 74.9%
Dew: 66.0°F
Lead Group: A
Rotate Group: No
Limit SetPoint: 50.0°F
STATUS--------------------
Temp: 67.8°F
Hum: 38.9%
Dew: 41.7°F
Set
ALARM SET
Clock
Control Temperature
High alarm Enable:No
Trip point: 80.0°F
Low alarm Enable:No
Trip point: 60.0°F
Offset: 5.0°F
5.4.1.2 Dew Point Limit Set Point
The Dew Point Limit Set Point field appears if the unit is
configured with an optional remote dew point sensor and
the Limit is selected to be dewpoint. The sensor may be
located in the duct downstream of the Humidifier where
condensation could form. A value is entered in the Limit
Set Point field to prevent condensation from forming in the
duct. Press the Enter () at this screen to enter move to
the set point value. Use the Up () and Down () keys to
change the value. When the desired value is displayed,
press the Enter () key. The cursor will return to the upper
left hand corner, allowing the use of the Up () and Down
() keys to move to the next set point.
5.4.1.3 Manual Group Control
The Manual Control screen allows the selection of the lead
Group and manual rotation of the Humidifier groups,
bypassing the programmed rotation schedule.
Alarm Set Point Screens
5.4.2
Enter the alarm set menu to change trip points for common
alarms on analog inputs.
5.4.2.1 Control Temperature Alarms
If the control temperature sensor is enabled, high and low
alarms may be enabled and set to specific trip points. The
entered offset applies to both the "High" and "Low" Trip
Point values entered in the screens. The offset is
subtracted when it's applied to the high alarm trip point and
it is added when it's applied to the low alarm trip point. If
the offset for the temperature alarm is set at 5.0°F
(default), the high temperature alarm will turn off when the
actual temperature drops to the High Temperature Alarm
trip point (80.0°F) - the Offset (5.0°F) or, 80.0°F - 5.0°F =
75.0°F
The High Temperature Alarm will clear at 75°F.
Conversely, the low temperature alarm will turn off when
the actual temperature rises to the Low Temperature
Alarm trip point (60.0°F) + the Offset (5.0°F) or, 60.0°F +
5.0°F = 65.0°F. The Low Temperature Alarm will clear at
65.0°F
Humidity Limit
Manual Control
dew point Limit
Control

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