HEATIZON SYSTEMS

Gutter Heat Tracing Specifications

Contents:

GutterMelt Line Voltage Self Regulating – Heat Tracing...... 2-6

GutterMelt Line Voltage Mineral Insulated – Heat Tracing….………………… 7-11

DIVISION 23 8313

GUTTERMELT ROOF / GUTTER HEAT TRACE SYSTEM SELF REGULATING

PART 1 - GENERAL

1.1 SUMMARY

  1. Includes But Not Limited To:
  2. Furnish a complete UL Listed or CSA Certified system of heating cables, components, and controls, specifically for keeping water drainage paths clear and to avoid ice dams on roof eaves, gutters, and downspouts.
  1. Related Sections:
  2. Section 073100 - Shingles and Shake: Installation coordination with roofing material and details
  3. Section 073200 - Roof Tiles: Installation coordination with roofing material and details.
  4. Section 074100 - Roof Panels: Installation coordination with roofing material and details.
  5. Section 075000 – Membrane Roofing: Installation coordination with gutter material and details.
  6. Section 076000 – Flashing and Sheet Metal: Installation coordination with gutter material and details.
  7. Section 077000 – Roof and Wall Specialties and Accessories: Installation coordination with gutter material and details.
  8. Section 260600 – Schedules for Electrical: Materials and installation of wiring and electrical power source.

1.2 SYSTEM DESCRIPTION

A.The self-regulating cable shall consist of two (2) 16 AWG nickel-copper bus wires embedded in parallel in a self-regulating polymer core that varies its power output to respond to temperature all along its length, allowing the heating cable to be cut to length in the field. A radiation-crosslinked, modified polyolefin dielectric jacket shall cover the heating cable. To provide a ground path and to enhance the heating cable's ruggedness, the heating cable shall have a braid of tinned copper (-C), as required per section 427-23 of the NEC-2008. An ultraviolet stabilized weatherproof overjacket composed of: modified polyolefin shall cover the grounding braid. The cable shall be suited for use on concrete, wood, plastic, and asphalt building materials.

B.For energy efficiency and in order to provide heat output that is sufficient for deicing the heating cable shall have a nominal rating, in correlation with selection of the heating cable, of 5, 9, or 12 watts per lineal foot in water at 32ºF.

  1. The heating cable shall operate on line voltages of (select: 120, 208, 220, 240, or 277) volts.
  1. The heating cable shall be GutterMelt® SR heating cable supplied by Heatizon Systems.
  1. Power connection, end seal, and splice kit components shall be applied in the field.
  1. A ground-fault equipment protection device shall protect heating cable circuit as required by Article 426 of the NEC-2008.

1.2 ELECTRICAL CODES AND STANDARDS

  1. The entire design and installation of the Heatizon GutterMelt® SR Cable System shall comply with the Manufacture’s Installation Manual.
  1. National Electrical Code (NEC) for US installations; Canadian Standards Association (CSA) for Canadian Installations. (current editions).
  1. Requirements of the "Authority Having Jurisdiction".
  1. All GutterMelt® SR Cable Heaters shall be approved to CSA and UL Standards as part of the system for keeping water drainage paths clear and to avoid ice dams on roof eaves, gutters, and downspouts.
  2. Constant Wattage cables are not acceptable for this application.
  3. Cables not able to withstand maximum exposure temperature of 149ºF (65ºC) are not acceptable for this application.
  1. Enclosures shall be rated NEMA 4X to prevent water ingress and corrosion. In order to ensure the most reliable electrical connection and to simplify the maintenance and troubleshooting of freeze protection systems only crimp connections are acceptable.

1.4SUBMITTALS

  1. Product Data: Submit manufacturers technical product data and written installation instructions for the GutterMelt SR cable system.
  2. Shop Drawings: At architect’s request, submit drawings showing layout of system relay panel, activation device, grounding connections, and heating cables required to provide complete operating system. Including the following:
  3. Locations for activation devices.
  4. Locations of relay panel, junction boxes, feeder wires, and load wires.
  5. Circuit feeder runs from relay panel / junction box to heating element connection points.
  6. Connection points between circuit feeders and heating element.
  7. Wiring between relay panel and activation device.
  8. Location of aerial or pavement mounted temperature moisture sensor(s).
  9. Differentiate between:
  10. Control wiring.
  11. Heating element.
  12. Cold Lead.
  13. Branch-circuit wiring.
  14. Differentiate between zones of heating element.
  1. Operation and Maintenance Data: Submit manufacturer’s written maintenance and operation instructions for system.
  1. Warranty: Submit copy of system manufacturer’s standard warranty for system.

1.5QUALITY ASSURANCE

  1. Manufacturer’s Qualifications:
  2. Firm regularly engaged in manufacturing of electric cable heating elements, of type, sizes, and ratings required, whose products have been in satisfactory use in similar services for not less than five years.
  1. Installer Qualifications:
  2. Licensed Electrical Contractor with a minimum of two years successful certified experience installing projects utilizing electric heating cable systems equal to systems specified in this section.
  1. Regulatory Requirements:
  2. Comply with applicable local electrical code requirements of local authorities having jurisdiction.
  3. Provide products that are listed recognized and labeled by Nationally Recognized Testing Laboratory (NRTL) that includes, but not limited to :
  4. ETL subsidiary of Intertek Testing Laboratories,
  5. Canadian Standards Association (CSA), and
  6. Underwriters Laboratories (UL).
  7. Conform to requirements of “Standard for Electric Space Heating Cables” (UL – 1673, 2nd Edition, dated May 30, 1996).

1.6DELIVERY, STORAGE AND HANDLING

  1. Deliver, store, and handle in accordance with manufacturer’s written instructions. Store materials in dry indoor location off the ground.
  1. Remove damaged materials from job site and replace with new at no additional cost to owner.

1.7WARRANTY

  1. Provide the Manufacturer Standards with following requirements:
  2. GutterMelt® SR Cable heating element – Ten year
  3. Relay panel and Activation device – One year

PART 2 - PRODUCTS

2.1MANUFACTURER

  1. Heatizon Systems, 4137 South 500 West, Murray, Utah84123 (888) 293-1232

2.2COMPONENTS

  1. Heating element
  2. GutterMelt® SR Cable shall be supplied by Heatizon Systems (Tel: 888-239-1232, Fax: 801-293-3077)
  3. Shall consist of two (2) 16 AWG nickel-copper bus wires embedded in parallel in a self-regulating polymer core that varies its power output to respond to temperature all along its length, allowing the heating cable to be cut to length in the field. A radiation-cross-linked, modified polyolefin dielectric jacket shall cover the heating cable. To provide a ground path and to enhance the heating cable's ruggedness, the heating cable shall have a braid of tinned copper (-C), as required per section 427-23 of the NEC-2008. An ultraviolet stabilized weatherproof over-jacket composed of: modified polyolefin shall cover the grounding braid. The cable shall be suited for use on concrete, wood, plastic, and asphalt building materials.
  4. For energy efficiency and in order to provide heat output that is sufficient for snow melting, the heating cable shall have a nominal rating, in correlation with selection of the heating cable, of 5, 9, or 12 watts per lineal foot in Ice Water @ 32ºF.
  5. The heating cable shall operate on line voltages of (select: 120, 208, 220, 240, or 277) volts.
  6. Power connection, end seal, and splice kit components shall be supplied by Heatizon Systems and applied in the field.
  7. A ground-fault device for equipment protection, rated at 30-mA trip, shall protect heating cable circuit. This requirement is in accordance with Article 426 of the NEC-2008.
  1. Relay Panel
  2. Heatizon Relay Panel

a. M330 – Relay Panel accommodating 4 circuits to be used to join multiple circuits in conjunction with the same activation scheme.

  1. Activation
  2. All GutterMelt® SR Cable circuits shall be activated by a Heatizon Systems approved activator for GutterMelt® SR Cable:
  3. Manual Control: The system shall be controlled by a switch, either directly or through and appropriate contactor.
  1. Snow Switch Control: An automatic snow/ice sensor (preferred) which detects precipitation occurring at temperatures below 38° F (4 ° C). Example Models: M332 / M326A / M326ARS
  1. Thermostatic Control: The system shall be controlled by a 0-255ºF adjustable ambient sensing thermostat. The thermostat shall be supplied with a 40º setting from the factory. The thermostat shall be type RTAS as supplied by Heatizon Systems.
  1. Multiple Circuits for Control, Monitoring and Power Distribution: Where the rating of the activator would be exceeded, it shall be used in conjunction with a Heatizon Relay Panel (M330) for activation of multiple heater circuits.

PART 3 – EXECUTION

3.1EXAMINATION

A.Examine areas where heating element is to be installed for proper installation, cleanliness, or condition that may hinder successful installation of GutterMelt® SR cable system.

  1. Notify Contractor in writing of items needing correction.
  2. Do not install GutterMelt® SR cable system until faulty conditions are corrected.

3.2INSTALLATION

  1. Interface with Other Work: Coordinate installation of GutterMelt® SR cable system with appropriate sections of Division 26 Electrical.
  1. The current Heatizon GutterMelt® SR Cable Installation Manual shall be considered as part of this specification.
  1. The heating cable shall be laid in gutters; shall be suspended in downspouts either as a loop or a single length and held in place by a downspout hanger; and shall be attached to the roof using the roof clip.
  1. All terminations shall be protected from the weather and from physical damage and bonded to the system ground.
  1. The heating cable shall be protected from damage and installed according to manufacturer’s instructions.
  1. Any field alternations or deviations shall proceed only after authorization has been issued by engineer. All changes shall be accurately recorded by the contractor and shall be turned over to the engineer upon completion of the heating system scope of work.

3.3FIELD QUALITY CONTROL

  1. Testing as directed by system manufacturer.
  2. Field testing of insulation resistance and continuity of the units shall be carried out with a 2500VDC Megohmmeter insulation tester and recorded by the Electrical Contractor.
  3. Testing shall be performed by the Electrical Contractor done in the following order:
  4. Prior to Installation of GutterMelt® SR Heating Cable (when removed from package).
  5. After Installation of GutterMelt® SR Heating Cable on roof, gutters, drains, or downspouts.

3.4RESISTANTANCE RECORDING

  1. Insulation resistance shall be consistently not less than 20 megohms during each test.
  1. A complete system startup shall be performed to verify successful operation.
  1. Resistance readings shall be recorded in the GutterMelt® SR Cable Design and Installation Manual

3.5DEMOSTRATION

Provide adequate demonstration and training to Owner in operation and maintenance of system.

END OF SECTION

DIVISION 23 8313

GUTTERMELT ROOF / GUTTER HEAT TRACE SYSTEM MINERAL INSULATED

PART 1 - GENERAL

1.3 SUMMARY

  1. Includes But Not Limited To:
  2. Furnish a complete UL Listed or CSA Certified system of heating cables, components, and controls, specifically for keeping water drainage paths clear and to avoid ice dams on roof eaves, gutters, and downspouts as described in Contract Documents.
  1. Related Sections:
  2. Section 073100 - Shingles and Shake: Installation coordination with roofing material and details
  3. Section 073200 - Roof Tiles: Installation coordination with roofing material and details.
  4. Section 074100 - Roof Panels: Installation coordination with roofing material and details.
  5. Section 075000 – Membrane Roofing: Installation coordination with gutter material and details.
  6. Section 076000 – Flashing and Sheet Metal: Installation coordination with gutter material and details.
  7. Section 077000 – Roof and Wall Specialties and Accessories: Installation coordination with gutter material and details.
  8. Section 260600 – Schedules for Electrical: Materials and installation of wiring and electrical power source.

1.2 SYSTEM DESCRIPTION

  1. The system shall consist of all equipment and materials for a complete roof, gutter heat trace system to be installed as described in Contract Documents.
  1. The area covered and heat density (measured by Watts or BTU equivalent) per linear foot of heating element or square foot of area for each Heatizon System product are determined by the heat output of GutterMelt® MI Cable and the spacing between adjacent runs of heating element. See manufacturer’s installation instructions for more detailed information.
  1. The extent of the roof, gutter heat trace system is as shown on specification sheets and architectural drawings. Whenever possible, The American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) design criterion should be followed.

1.4 ELECTRICAL CODES AND STANDARDS

  1. The entire design and installation of the Heatizon GutterMelt® MI Cable System shall comply with the Manufacture’s Installation Manual.
  1. National Electrical Code (NEC) for US installations; Canadian Standards Association (CSA) for Canadian Installations. (current editions).
  1. Requirements of the "Authority Having Jurisdiction".
  1. All GutterMelt® MI Cable Heaters shall be approved to CSA and UL Standards as part of the system for keeping water drainage paths clear and to avoid ice dams on roof eaves, gutters, and downspouts.
  2. Self-regulating cables are not acceptable for this application.
  3. Cables that are not copper shielded are not acceptable for this application.
  1. Enclosures shall be rated NEMA 4X to prevent water ingress and corrosion

1.8SUBMITTALS

  1. Product Data: Submit manufacturers technical product data and written installation instructions for the GutterMelt® MI cable system.
  2. Shop Drawings: At architect’s request, submit drawings showing layout of system relay panel, activation device, grounding connections, and heating cables required to provide complete operating system. Including the following:
  3. Locations for activation devices.
  4. Locations of relay panel, junction boxes, feeder wires, and load wires.
  5. Circuit feeder runs from relay panel / junction box to heating element connection points.
  6. Connection points between circuit feeders and heating element.
  7. Wiring between relay panel and activation device.
  8. Location of aerial or pavement mounted temperature moisture sensor(s).
  9. Differentiate between:
  10. Control wiring.
  11. Heating element.
  12. Cold Lead.
  13. Branch-circuit wiring.
  14. Differentiate between zones of heating element.
  1. Operation and Maintenance Data: Submit manufacturer’s written maintenance and operation instructions for system.
  1. Warranty: Submit copy of system manufacturer’s standard warranty for system.

1.9QUALITY ASSURANCE

  1. Manufacturer’s Qualifications:
  2. Firm regularly engaged in manufacturing of electric cable heating elements, of type, sizes, and ratings required, whose products have been in satisfactory use in similar services for not less than five years.
  1. Installer Qualifications:
  2. Licensed Electrical Contractor with a minimum of two years successful certified experience installing projects utilizing electric heating cable systems equal to systems specified in this section.
  1. Regulatory Requirements:
  2. Comply with applicable local electrical code requirements of local authorities having jurisdiction.
  3. Provide products that are listed recognized and labeled by Nationally Recognized Testing Laboratory (NRTL) that includes, but not limited to :
  4. ETL subsidiary of Intertek Testing Laboratories,
  5. Canadian Standards Association (CSA), and
  6. Underwriters Laboratories (UL).
  7. Conform to requirements of “Electric Radiant Heating Panels and Heating Panel Sets” (UL – 1693, 2nd Edition, dated July 19, 2002).
  8. Conform to requirements of “Standard for Electric Space Heating Cables” (UL – 1673, 2nd Edition, dated May 30, 1996).

1.10DELIVERY, STORAGE AND HANDLING

  1. Deliver, store, and handle in accordance with manufacturer’s written instructions. Store materials in dry indoor location off the ground.
  1. Remove damaged materials from job site and replace with new at no additional cost to owner.

1.11WARRANTY

  1. Provide the Manufacturer Standards with following requirements:
  2. GutterMelt® MI Cable heating element – Ten year
  3. Relay panel and Activation devices – One year

PART 2 - PRODUCTS

2.3MANUFACTURER

  1. Heatizon Systems, 4137 South 500 West, Murray, Utah84123 (888) 293-1232

2.4COMPONENTS

  1. Heating element
  2. GutterMelt® MI Cable shall be supplied by Heatizon Systems (Tel: 888-239-1232, Fax: 801-293-3077)
  3. Shall be fiberglass insulated, with a copper or resistance alloy conductor and a seamless copper sheath.
  4. Constructed in such a manner that no combustible materials are allowed between the resistance alloy conductor and outer metal sheath.
  5. All heater core materials shall be inorganic and will not deteriorate with age.
  6. Jacketed with high density polyethylene (HDPE) to further resist corrosion.
  7. Pre-fabricated by Heatizon Systems to the length required and shall not be altered in the field. The heated section shall be joined to a PVC jacketed copper sheath cold lead section by a pre-fabricated joint by Heatizon Systems.
  8. Cold lead shall be twenty five feet long and can be extended at a junction box with circuit feeders.
  9. To ensure maximum snow melting rate, heat output shall not self regulate (decrease as the temperature of the slab increases).
  10. Designed for operation on a standard supply voltage such as 120, 208, 240, 277, 347, 480, or 600V single or 3 phase as appropriate.
  1. Relay Panel
  2. Heatizon Relay Panel

a. M330 – Relay Panel accommodating 4 circuits to be used to join multiple circuits in conjunction with the same activation scheme.

  1. Activation
  2. All GutterMelt® MI Cable circuits shall be activated by a Heatizon Systems approved activator for GutterMelt® MI Cable:
  3. Manual Control: The system shall be controlled by a switch, either directly or through and appropriate contactor.
  1. Snow Switch Control: An automatic snow/ice sensor (preferred) which detects precipitation occurring at temperatures below 38° F (4 ° C). Example Models: M332 / M326A / M326ARS
  1. Thermostatic Control: The system shall be controlled by a 0-255ºF adjustable ambient sensing thermostat. The thermostat shall be supplied with a 40º setting from the factory. The thermostat shall be type RTAS as supplied by Heatizon Systems.
  1. Multiple Circuits for Control, Monitoring and Power Distribution: Where the rating of the activator would be exceeded, it shall be used in conjunction with a Heatizon Relay Panel (M330) for activation of multiple heater circuits.

PART 3 – EXECUTION

3.3EXAMINATION

B.Examine areas where heating element is to be installed for proper installation, cleanliness, or condition that may hinder successful installation of GutterMelt® MI cable system.

  1. Notify Contractor in writing of items needing correction.
  2. Do not install GutterMelt® MI cable system until faulty conditions are corrected.

3.4INSTALLATION

  1. Interface with Other Work: Coordinate installation of GutterMelt® MI cable system with appropriate sections of Division 26 Electrical.
  1. The current Heatizon GutterMelt® MI Cable Installation Manual shall be considered as part of this specification.
  1. The heating cable shall be laid in gutters; shall be suspended in downspouts either as a loop or a single length and held in place by a downspout hanger; and shall be attached to the roof using the roof clip.
  1. All terminations shall be protected from the weather and from physical damage and bonded to the system ground.
  1. The heating cable shall be protected from damage and installed according to manufacturer’s instructions.
  1. Any field alternations or deviations shall proceed only after authorization has been issued by engineer. All changes shall be accurately recorded by the contractor and shall be turned over to the engineer upon completion of the heating system scope of work.

3.4FIELD QUALITY CONTROL