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Value Snow and Ice Melt Control - 100-240VAC (SCV-DUAL)

Value Snow and Ice Melt Control - 100-240VAC (SCV-DUAL)

Part Number: SCV-DUAL
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Support Questions

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GFEP is the National Electric Code (NEC) required protection for fixed outdoor deicing and snow-melting equipment, which may be accomplished by using circuit breakers equipped with ground-fault equipment protection (GFEP) of 30 mA. It is important to understand that this required equipment protection is NOT the same as a 5 mA GFCI used for personal protection.

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When the design requirement's amp draw exceeds the selected controller's capacity.

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The most common spacing for snow melting systems is 3“ from wire to wire. However, we can design snow melting systems based on your local climate and weather expectations that might have different cable spacings to ensure the most efficient system possible. We also offer snow melting mats with 3" and 4" spacing.

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In an area free of obstruction and able to detect rain or snow, yet low enough so that it is easily accessible if service is needed. Atop a fence post or on an 'L' bracket on the side of a building are common.

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The electrician must route the cold lead(s) through rigid metal conduit(s) or other approved means, to get back to an accessible weatherproof junction box(s). Care must be taken by the electrician so that none of the heated section of Cable enters the conduit(s).

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It depends on how the system is intended to operate. If the expectation is manual operation (ex. WiFi or Timer Control), then no sensors are required. If the expectation is automatic operation, then the system will require at least one snow sensor.

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Minimum is 1.5“ and Maximum is 2.5“

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Ground fault equipment protection (GFEP) is intended to provide protection for equipment against damaging line-to-ground currents by disconnecting all ungrounded conductors of the faulted circuit.

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No, a sensor is not required with the snow melt system. However, certain automatic controllers require a temperature/moisture sensor to sense atmospheric conditions and may also require an in-slab, high temperature limit sensor to be installed (notably, asphalt installations).

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The SCV-120/SCV-Dual snow-melt controller retains its setting after a power outage.

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Enter the configuration process (display) by holding the magnet next to the switch for 3 seconds, the green LED goes off. Remove the magnet.

The SCV will then pulse the green LED with the values of each Field in sequence, repeatedly:

  • Field 1 (Hold-On) will pulse once for off, twice for 1 hour, three times(default) for 3 hours, and four times for 5 hours.
  • Two second pause.
  • Field 2 (Temp) will pulse once for no temp selected, twice for 36°F/2.2°C, three times(default) for 38°F/3.3°C, and four times for 40*F/4.4°C.
  • Two second pause.
  • Field 3 (Lockout) will pulse once(defaut) for disabled and twice for enabled.
  • Four second pause.

Sequence starts over.

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A 2 pole single-phase 240V circuit works by continuously monitoring the current flowing through both hot wires of the circuit. If it detects even a slight imbalance between the current on each hot wire (indicating a ground fault), it will quickly trip, cutting off power to the circuit. Essentially, it compares each leg of the 240V circuit and trips if they are not precisely equal.

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This feature prevents the snow melting system from running, by default, in temperatures below 17°F (–8.33°C), or as set by the user. At temperatures this low, it becomes difficult for the system to effectively melt the snow. It is, however, possible to turn off this feature should the system be required to keep running during these low temperatures.

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The SCV-DUAL can switch loads under 16 amps in 120V and in 240V. A relay is not required for jobs this size. In jobs using less than 16 amps, the heaters can be wired directly to the control. For jobs over 16 amps, a relay panel is required, and the heaters would be connected to the panel/s instead of directly to the control.

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The best home features for cold climates include a simple gable roof to shed snow, covered entrances for protection, airtight triple-pane windows to prevent heat loss, and radiant heating systems. These features work together to maintain interior warmth, reduce energy bills by up to 25%, and ensure structural safety during harsh winters.

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Specifications

Warranty / Certifications

Approvals cULus listed
Area of Use Non-hazardous locations
Warranty 2 years
Waterproofing NEMA 3R

Installation

Best Use Economic Option For Smaller Projects Under 16 Amps

Electrical

Connection Method Hardwired
Control Options Automatic with manual override
Maximum Current 16 A
Maximum Current Description 16 Amps Max Load
Mounting Method Pole Mounted (sold separately)
Sensors Built-in snow and temperature sensor
Voltage 100 - 240 VAC

Construction

Cover material Polycarbonate

Product Dimensions

Diameter 4.6″
Height 6.1″
Length 4.6″
Weight 1.6 lbs
Width 4.6″

Identifiers

SKU SCV-DUAL
UPC (GTIN-12) 881308030728

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