HEATIZON SYSTEMS Gutter Melt SR, Руководство по проектированию и установке

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5
Self-Regulating Cable
Phase Conductor
Neutral Conductor
Ground Shield
120VAC, 277VAC
Connection
Phase Conductor
Phase Conductor
Ground Shield
208VAC, 240VAC
Connection
Electrical Connection Wiring
Note: GutterMelt
®
SR should be stored in a cool,
dry location.
Note: It is important that GutterMelt
®
SR be
installed only by qualified persons who are familiar
with the proper sizing, installation, construction and
operation of snow melting systems and the hazards
involved. GutterMelt
®
SR products are designed for
on roof, in rain gutter, and in downspout drain
applications.
Note: GutterMelt
®
SR must be installed in
accordance with the manufacturer’s installation
instructions, as well as with the National Electric
Code (NEC) and Canadian Electrical Code (CEC),
part 1, and local codes and regulations.
Note: Ground fault protection must be used when
installing all GutterMelt
®
SR products. Refer to the
NEC or CEC for specific requirements.
Note: Do not bend GutterMelt
®
SR Cable within
1.6” (40mm) of a termination or connection
between the GutterMelt
®
SR Heating Element and
the cold lead or power connection.
Required Tools:
2500VDC Megohmmeter
Digital Multimeter (DMM)
Screwdrivers
Wire Stripper
Crimping Tool
Utility Knife
Heatshrink Heating Device
GutterMelt
®
SR Cable Specifications
Watts per linear foot at
32° in iced water
5 9 12
Cable type Self Regulating (SR)
Copper bus wire 22 AWG Min
Maximum maintenance
temperature
185ºF (85ºC)
Maximum intermittent
exposure temperature 212ºF (100ºC)
T rating: T5
Voltage AC 120, 208, 240, 277
Maximum length Refer to product label
Approximate thickness/
width
0.25” x 0.50”
Bending radius 1”
Minimum spacing 2”
Standard spacing along
eave
18” to 24”