DriSteem Vapor-logic 4 User Manual

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Vapor-logic4 returns to the Home screen on the keypad/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 filling skimming,
heating, boiling, and draining.
There is a tank level indicator on the right side of the screen. See the
table below for a description of tank level indicators.
Above the tank level indicator is a tank temperature display showing
actual tank temperature.
Changing mode and set point
Mode and Set point can be changed from the Home screen. Press the
Up or Down arrow key until the Set point or Mode is highlighted,
press Enter, press Up or Down arrow key to change value, press
Enter to confirm. All other parameters shown on the Home screen
are for viewing only and cannot be changed. Go to the Setup menu
to change these items.
Tank activities defined
t 'JMMJOH Fill valve remains open until water reaches operating level.
t 4LJNNJOH Fill valve is open to allow water to flow through
the overflow port, skimming off precipitated minerals (tap and
softened water systems only).
t %SBJOJOH Tank is draining.
t 'MVTIJOH Fill and drain valve are open to flush tank (tap and
softened water systems only).
t )FBUJOH Water in tank is heating.
t #PJMJOH Water in tank is boiling and there is a demand for
humidity.
t )PU Water is at boiling temperature and there is no demand for
humidity.
t 8BSN Water temperature is equal to or greater than 100 °F
(38 °C) and not boiling.
t $PME Water temperature is less than 100 °F (38 °C).
t &04ESBJO Humidifier is in end-of-season drain.
t &NQUZ There is no water in the humidifier and there is no
demand for humidity.
t *EMF No demand or an active alarm preventing operation (XT only).
t 5NQ%Sain: Humidifier is doing a drain to reduce conductivity
or eliminate foam. Process can take several minutes for large-
capacity humidifiers. (XT only).
t 'VMM Water level has reached top of cylinder (XT only).
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Table 39-1:
Fill icon
Indicates in:
Tap/softened
water systems
(see Figure 39-2)
DI/RO
water systems
Water level is above top
probe.
Water is above
low water level.
Water level is between mid
and top probes.
N/A
Water level is between low
and mid probes.
N/A
Water level is below low
probe (heat is disabled).
Water is below
low water
level (heat is
disabled).
Note: XT humidifier display does not include fill icon
(see Figure 57-1).
Figure 39-1:
Keypad/display Home screen
Tank-level icons indicate water level at the
water level control probe. See “Water level
control” on Page 55.
Top probe
Mid probe
Low probe
Figure 39-2:
Water level control for tap/softened
water systems
VLC-OM-030
Operation
MAIN MESSAGE
ALARM
212˚
F
SET PTSPACE RH
OUTPUT
59%
Fillin
g
MODE: Auto
35%
34%
TANK A

DriSteem Vapor-logic 4 Specifications

General

Brand	DriSteem
Model	Vapor-logic 4
Category	Controller
Language	English