WarmlyYours SCV-DUAL - Manual (Page 11)

Snow Switch ® Model LCD–8 Aerial Snow Controller, 100 – 240 VAC
24782 Rev. A 03/13 (800) 234-4239 http://www.networketi.com 10 of 14 Environmental Technology, Inc.
GREEN LED PULSE PATTERN
Prior to learning how to change the configuration of the LCD–8, it is first nec-
essary to understand how the device communicates with the user; see Table 1. As
there is no display on the unit, the only means of communicating with the device is
to carefully observe the pulse pattern of the green LED.
Hold-On Time
(in hours)
0 Hours
(1 Pulse)
1 Hour
(2 Pulses)
3 Hours
(3 Pulses)
5 Hours
(4 Pulses)
Temperature
Set Point (in °F)
OFF*
(1 Pulse)
36°F (2.22°C)
(2 Pulses)
38°F (3.33°C)
(3 Pulses)
40°F (4.44°C)
(4 Pulses)
Low Temperature
Lock-Out
OFF
(1 Pulse)
ON
(2 Pulses)
*When the Temperature Set-Point feature is configured to be in the “OFF” setting, the LCD–8 senses
moisture only and activates the heaters regardless of temperature.
Table 1. LCD–8 CONFIGURATION OPTIONS AND GREEN LED PULSE PATTERN
Magnetic
Switch
(inside unit)
Magnet
LCD-8 Magnetic Reed Switch
The LCD-8 uses an internal magnetic reed switch (Figure 4), where the user
swipes a magnet (Figure 5) externally across this switch (Figure 6) to start a hold-
on cycle or to terminate a running hold-on cycle. The magnetic switch determines
whether the user’s action “swipes” or “holds” the magnet during LCD-8 configuration.
Figure 4. Magnetic Reed Switch
(internal)
Figure 6. Positioning (left) and swiping (right)
external Magnet over internal Magnetic Switch
Figure 5. Magnet (external)
STEADY PULSING