37
VAPOR-LOGIC
®
VERSION 6 INSTALLATION AND OPERATION MANUAL
Home screen (touchscreen display)
Tank-level icons indicate water level at the
water level control probe . See “Water level
Top probe
Mid probe
Low probe
VLC-OM-030
OPERATION
FIGURE 37-1: WATER LEVEL CONTROL
Vapor-logic returns to the Home screen on the touchscreen display after a user-
defined period of idleness . The Home screen displays the items most frequently
viewed: Actual space RH or dew point, RH or dew point set point, tank/system
output or steam demand, humidifier mode, and tank activities such as starting
up, humidifying, heating, and auto drain .
There is a tank level indicator on the left side of the screen . See the table below
for a description of tank level indicators .
To the left of the tank level indicator is a tank temperature display showing
actual tank temperature .
CHANGING MODE AND SET POINT
Mode and Setpoint can be changed from the Home screen . Use the edit icons
to the right of the value to change the Mode or Setpoint . All other parameters
shown on the Home screen are for viewing only and cannot be changed . Go
to the Settings menu to change these items .
TANK ACTIVITIES DEFINED
•
Disabled:
Mode is Standby, waiting for user to change the mode to Auto .
•
Probe check:
The Vapor-logic control is verifying water probe operation and
checking water quality .
•
Starting up:
The Vapor-logic controller is turning on the heating source .
•
Heating:
The heating source is ON, but water is not yet boiling .
•
Humidifying:
There is a demand for humidity and water in tank is boiling;
humidifier has output .
•
Filling:
Fill valve remains open until water reaches operating level .
•
Skimming:
Fill valve is open to allow water to flow through the overflow port,
skimming off precipitated minerals .
•
Flushing:
Fill and drain valve are open to flush tank .
•
Idle:
Humidifier is waiting for demand .
•
Auto Drain:
Humidifier is doing a periodic drain to get excess minerals out
of the tank .
•
Tempering:
Fill valve is open during a drain to decrease drain water
temperature .
•
Draining:
User has changed the mode to Drain .
• Stopped:
There is an active Red Alert, indicating a fault condition or the
humidifier is in Standby mode .
•
End of Season Drain:
Tank is draining because there has been no demand
for a user-definable time period .
•
Foam Drain:
Humidifier is doing an immediate drain to get foam out of the
tank .
•
Keep Cool:
Fill and drain cycles operate to cool an overheated humidifier .
FIGURE 37-3: FILL ICON
Empty:
Water is
below low probe .
Two thirds full:
Water
is between mid and
top probes .
Full:
Water is above
the mid probe .
