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Emerson Easyheat GC-1 Installation And Operating Instructions Manual

Roof and gutter de-icing control
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GC-1
GENERAL INFORMATION
The GC-1 heating cable controller has been designed
and manufactured for the sole intended use of control-
ling heating cables in residential and commercial roof
and gutter de-icing applications. The GC-1 uses micro-
controller technology to reduce energy consumption by
energizing the heating cable only when the appropriate
temperature and moisture conditions occur.
The GC-1 controller includes the MSG-1 sensor, used to
detect moisture on roofs and in gutters. Roof moisture
detection is made with the unique sensor wire design;
the sensing grid on the bottom of the MSG 1 detects
gutter moisture. The MSG-1 housing sits directly in the
gutter and the sensor wire is secured to the roof. The
combination roof and gutter detection system provides
quick detection of potentially damaging roof and gutter
icing conditions. When moisture is detected, the GC-1
activates the de-icing cables.
6.0"
6.0"
w w w . e a s y h e a t . c o m
GC-1 CONTROLLER
GC-1 CONTROLLER
Figure 1
©2015 EasyHeat
Roof and Gutter De-Icing Control
Installation and Operating Instructions
FOR EXTERIOR INSTALLATION ONLY
6.4"
6.4"
11399-001 REV 0
The MSG-1 sensor operates on low voltage provided by
the GC-1 control unit and includes mounting hardware
and 30' of wire for connection back to the GC-1. The
GC-1 automatically detects and sets-up for supply volt-
ages between 120VAC and 277VAC; no dipswitches or
jumpers are required. The GC-1 has a LED indicator to
display when cables are energized.
WARNING! Improper installation, use and/or mainte-
nance of the GC-1 can cause fire, electrical shock and/
or result in roof and gutter ice build-up
The GC-1 controller is shown in Fig.1, with the MSG-1
and accessories (6 coated clips, mounting screw and
coated strapping) shown in Fig. 2.
MSG-1 AND ACCESSORIES
Figure 2
www.easyheat.com
14104-001 Rev. 4

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  Summary of Contents for Emerson Easyheat GC-1

  • Page 1 GC-1 Roof and Gutter De-Icing Control Installation and Operating Instructions FOR EXTERIOR INSTALLATION ONLY GENERAL INFORMATION The GC-1 heating cable controller has been designed The MSG-1 sensor operates on low voltage provided by and manufactured for the sole intended use of control- the GC-1 control unit and includes mounting hardware ling heating cables in residential and commercial roof and 30’...
  • Page 2: Installation Instructions

    The MSG-1 has been designed for the sole purpose of Carefully remove two knockouts on the line voltage connection to an EasyHeat GC-1 Controller. The risk of (left) side of the GC-1 housing for the line and load wire fire or electric shock exists if the MSG-1 is connected to connections, secure two watertight connectors into place any device other than the GC-1 Controller.
  • Page 3 GC-1 Installation Instructions 10. Connect the load (de-icing cable or contactor coil) wires to the two leads marked “LOAD”. 11. Connect the power supply wires to the two leads marked “LINE”. 12. Connect the GC-1 ground wire to the power supply CONT ..
  • Page 4 GC-1 Installation Instructions OPERATION INSTRUCTIONS The GC-1 roof and gutter de-icing controller is designed to energize the heating cable only when moisture condi- tions exist and there is risk of freezing. If the tempera- ture is below 3°C (38°F) and the MSG-1 sensor detects moisture, the controller will apply power to the heating cable.
  • Page 5: Electrical Specifications

    GC-1 Installation Instructions ELECTRICAL SPECIFICATIONS Functional Activation temperature +3°C (38°F +/-1°F) Environmental Working temperature -40°C (-40°F) to 65°C (150°F) Storage temperature -45°C (-49°F) to 70°C (160°F) Humidity environment 0 to 100 % Supply requirements Power supply voltage 120VAC, 208VAC, 240VAC, 277VAC Frequency 60 Hz Maximum power consumption...
  • Page 6: Limited Warranty

    LIMITED WARRANTY Easy Heat warrants that if there are any defects in material or workmanship in any heating cable or accessory during the first year after the date of purchase. We will provide new products to replace any defective items, or we will refund the purchase price paid for the accessory or cable, not including any labor or other installation costs.