32
CRUV INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
OPERATION
Bottom water probe input (violet)
1 2 3 4 5 6 7 8
DRAIN
TIME
SKIM
TIME
TEST
TIMER
LOGIC
EOS
v
O
BR
BL
T
R
G
W
B
Full light
OM-918
Ready water light
Drain light
Dip switch
settings
Ground mounting holes, 3/16" diameter
Power light
ONBOARD DIAGNOSTICS (TAP/SOFTENED WATER)
When the green Power light blinks on for one second and then is off for one
second, enough scale has accumulated on the probes to begin to compromise
the quality of the water level detection. Remove the probe assembly and brush
off all scale and tarnish. See "Troubleshooting" on Pages 40 and 41 for any
water level control issues.
VAPOR-LOGIC CONTROLLER
The
Vapor-logic In stal la tion and Op er a tion Man u al
is a comprehensive
operation manual. Refer to it for information regarding the following features:
• Keypad/display setup and menu information
• Control input signals and functions
• Drain, fl ush, and skim features
• Safety features
• Alarm screens and fault messages
The manual is shipped with CRUV humidifi ers equipped with the optional
Vapor-logic controller. It is also available at our Web site: www.dristeem.com
24 VAC hot input (black)
24 VAC common input (white)
Drain valve output (gray)
Timer logic input (red)
Fill valve output (tan)
Ready water output (blue)
Top water probe input (brown)
Middle water probe input (orange)
Important:
Timer logic input wire (see Figure 32-1) must
be connected per wiring diagram for proper
automatic drain/fl ush and end-of-season drain
operation. Power light blinks off twice at
one-second intervals when these functions are
disabled. Verify wiring with diagram supplied
with humidifi er.
Variable skim times (tap/softened water)
The skim time feature removes surface solids
and foam from the water. This keeps the fi ll
valve open for a certain amount of time after
the water reaches the top probe (see Figure
3-1). The skim time is factory set for 32 seconds
but can be changed in the fi eld for locations
with water that requires more skimming. See
“Skim duration” on Page 33. See LW series
controller board location in Figure 44-1.
Start-up and operation: LW series controller
FIGURE 32-1: LW SERIES CONTROLLER BOARD
