Warmlyyours SCV-DUAL Manual do Utilizador descarregar pdf (Página 11)

Snow Switch

Model LCD–8 Aerial Snow Controller, 100 – 240 VAC

24782 Rev. A 03/13(800) 234-4239http://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)

(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 conguration.

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

1 2 ... 6 7 8 9 10 11 12 13 14 15

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