Raychem H908 Manual de usuario

Installation Instructions

H908

WinterGard Plug-in Power Connection Kit

with End Seal

Description

The H908 is a plug-in, ground-fault-protected power connection kit for use

with WinterGard H311, H611, and H612 120-V heating cables.

This kit ensures compliance with Raychem and NEC requirements for

ground-fault protection of equipment. It does not protect people against the

hazards of electrical shock. The kit includes materials for one power

connection and end seal. All WinterGard heating cables are designed for

water-pipe freeze protection applications. Only the H612 heating cable can be

used for both pipe freeze protection and roof and gutter de-icing applications.

For additional technical support call Raychem at 800-542-8936.

Tools Required

• Needle nose pliers • Propane torch or heat gun

• Utility knife • Panduit crimp tools CT100 and CT570

• Diagonal cutters

Additional Materials Required

• Grounded, UL Listed 15-amp, 120-volt receptacle (receptacle must be

approved for wet locations if exposed to weather)

• Additional cable ties may be required for roof and gutter applications.

• Your application may require additional WinterGard accessories; for exam-

ple, H903 application tape for pipe applications; H913/H914 roof clips

and/or H915 downspout hangers for roof and gutter de-icing applications.

Kit Contents

Item Qty Description

A 1 Gel-filled end seal

B 1 Heat-shrinkable tube (8˝ long x 1˝ dia.)

C 1 Heat-shrinkable tube (5˝ long x 3/4˝ dia.)

D 2 Mastic strips (2˝ long x 1˝ wide)

E 2 Heat-shrinkable tubes (1˝ long x 1/8˝ dia.)

F 2 Insulated bus wire crimps

G 1 Uninsulated braid crimp

H 2 Warning labels for pipe-trace applications

I 2 De-icing and snow melting equipment labels

J 1 Plug-in ground-fault equipment protection device

K 2 Clamp ties

L 2 Black cloth tapes (6˝ long x 1˝ wide)

WARNING

Fire and Shock Hazard

Self-regulatingelectrical

heatingcableattachedtothispipe:

Disconnectbeforesevicing

Electric Deicingand

SnowMeltingEquipment

onPremises

WARNING

FireandShockHazard

Self-regulatingelectrical

heatingcable attached to this pipe:

Disconnectbefore sevicing

Electric Deicingand

SnowMeltingEquipment

onPremises

Approvals

718K Pipe Heating Cable, DESIG. 3A, 3B, 3C, 3D, 2E

or 877Z De-Icing and

Snow Melting Equipment

LISTED

These components are electrical devices. They must be

installed correctly to ensure proper operation and to

prevent shock or fire. Carefully follow all of the installa-

tion instructions and read these important warnings.

• To minimize the danger of fire from sustained

electrical arcing if the heating cable is damaged or

improperly installed, and to comply with the

requirements of Raychem and the 1996 National

Electrical Code, ground-fault equipment protection

must be used on each heating cable branch circuit.

Arcing may not be stopped by conventional circuit

protection.

• Component approvals and performance are based

on the use of specified parts only. Do not substitute

parts or use vinyl electrical tape.

• The black heating-cable core is conductive and can

short. It must be properly insulated and kept dry.

• Keep components and heating cable ends dry

before and during installation.

• Damaged bus wires can overheat or short. Do not

break braid or bus wire strands when scoring the

jacket or core.

• Bus wires will short if they contact each other.

Keep bus wires separated.

• Heat-damaged components can short. Use a heat

gun or a torch with a soft, yellow, low-heat flame,

not a blue focused flame. Keep the flame moving to

avoid overheating, blistering, or charring the heat-

shrinkable tubes. Avoid heating other components.

Replace any damaged parts.

• Use only fire-resistant insulation materials such as

fiberglass wrap.

• Leave these installation instructions with the user

for future reference.

Charring or burning the heat-shrinkable tubes

in this kit will produce fumes that may cause eye,

skin, nose, and throat irritation. Consult Material

Safety Data Sheet RAY/3122.

24-hour emergency telephone:

CHEMTREC (800) 424-9300.

Non-emergency health and safety information:

(650) 361-4907.

WARNING: CAUTION:

H908 Design and Installation Information for Heating Cable on Pipes Only

(WinterGard H311, H611, and H612 Heating Cables)

Table 1. For METAL pipes with fiberglass insulation or equivalent (based on 40°F maintain temperature, 10% safety factor)

Articles 422 and 427 of the National Electrical

Code govern the installation of WinterGard

heating cable for pipe freeze protection.

Important: For the Raychem HTS warranty to

be valid, you must comply with all the require-

ments outlined in these guidelines.

All thermal and design information provided

here is based upon a “standard” installation

with heating cable fastened to an insulated pipe.

For any other application or method of installa-

tion, consult Raychem HTS at (800) 542-8936.

Make sure that the heating cable being used is

suitable for your application. Refer to the Heat

Systems Application and Design Guide (H53585)

for heating cable application information.

1. Determine the heating cable type.

Use Table 1 to select heating cables for insu-

lated metal pipes. Use Table 2 to select heat-

ing cables for insulated plastic pipes. Read

across the table to find your pipe size, then

drop down to the line corresponding to the

lowest air temperature for that appli-cation

and the correct insulation thickness. The cell

at that intersection has a particular shading

and may have a number. The shading indi-

cates which heating cable to use (key to the

shading appears above the table headings). A

number represents the spiraling ratio (feet of

heating cable per foot of pipe).

If no number appears in the cell, straight trace

the pipe. If a number does appear in the cell,

spiral trace the pipe.

If your spiraling ratio is 2.0, multiple trace the

pipe using two straight traces at the 4 o’clock

and 8 o’clock positions.

If your spiraling ratio is 3.0, multiple trace the

pipe using three straight traces at the 11

o’clock or 1 o’clock position, and at the 4

o’clock and 8 o’clock positions.

Example 1:

Pipe size: 1"

Lowest air temp.: 0°F

Insul. thickness: 1/2"

Metal pipe:

WinterGard H311

Plastic pipe:

WinterGard Plus H611

or WinterGard Wet H612

Example 2:

Pipe size: 2 1/2"

Lowest air temp.: –20°F

Insul. thickness: 1/2"

Metal pipe:

WinterGard Plus H611

or WinterGard Wet H612

(Use 1.3 feet of heating cable per foot of pipe.)

Plastic pipe:

WinterGard Plus H611

or WinterGard Wet H612

(Use two straight traces at the 4 o’clock and

8 o’clock positions.)

2.0

1.3

Heating cable selection and design

Electrical codes

Lowest air

temp. (°F) Insulation

thickness

Nominal pipe size

1/2" 8"6"4"3"2 1/2"2"1 1/2"1 1/4"1"3/4"

1/2"

1 1/2"

1/2"

1 1/2"

1/2"

1 1/2"

–20

–40

3.01.81.3

1.3

3.01.81.51.31.1

1.91.51.1

1.31.1

3.02.01.71.41.21.1

3.01.91.41.1

1.71.4

1.41.1

Key to Table 1: = H311 = H611, H612,

H621, H622 = Use a thicker insulation

Table 2. For PLASTIC pipes with fiberglass insulation or equivalent (based on 40°F maintain temperature, 10% safety factor)

3.02.01.7

2.0

3.01.81.51.31.1

3.01.8

1.4

3.01.7

3.03.02.01.81.51.1

3.0

1.61.41.2

3.03.0

3.01.8

1.41.2

1.61.2

1.2 1.5

2.0

1.21.1

1.31.1

1.71.4

1.1

1.1 1.9

1.71.41.21.1

1.31.1

Lowest air

temp. (°F) Insulation

thickness

Nominal pipe size

1/2" 8"6"4"3"2 1/2"2"1 1/2"1 1/4"1"3/4"

1/2"

1 1/2"

1/2"

1 1/2"

1/2"

1 1/2"

–20

–40

Key to Table 2: = H311 = H611, H612

H621, H622 = Use a thicker insulation

2. Calculate the total heating cable length.

Pipe length ×spiraling ratio

+ 4 ft ×# gate/globe valves ×valve length (ft) ×spiraling ratio

+ 2 ft ×# ball/butterfly valves ×valve length (ft) ×spiraling ratio

+ 2 ft ×# flanges ×pipe diameter (ft) ×spiraling ratio

+ 2 ft ×# pipe supports ×pipe diameter (ft) ×spiraling ratio

+ 1 ft for each power connection

+ 2 ft for each splice connection

+ 3 ft for each tee connection

= Total heating cable length (ft)

3. Determine the maximum heating cable circuit length allowed.

See Table 3 on the next page. Ensure that your circuits do not exceed

the maximum circuit length listed in Table 3. If necessary, use additional

shorter circuits.

Example (taken from Example 2 [on metal pipe], pg. 2):

Pipe length: 50 ft

Spiral ratio: 1.3 (from Table 1, pg. 2)

Globe valves: 3 (each 0.5 ft long)

Pipe supports: 10 supports for 1" pipe

Power connections: 1

Splice connections: 1

End Seals: 1

WinterGard heating cable required:

Pipe length

spiral ratio = 50 ft ×1.3 = 65.0 ft

3 globe valves (.5 ft each) = 4 ft ×3 ×.5 ×1.3 = 7.8 ft

10 pipe supports = 2 ft ×10 ×.085* ×1.3 = 2.2 ft

1 power connection = 1 ft ×1 = 1.0 ft

1 splice connection = 2 ft ×1 = 2.0 ft

1 end seal = 0.5 ft ×1 = 0.5 ft

Total heating cable length required = 78.5 ft

*1" pipe diameter ÷12" per foot = .085 foot

Heating cable installation

1. Prepare for installation.

•Store the heating cable in a clean, dry place.

•Complete piping pressure test.

•Review the WinterGard heating cable design

and compare to materials received to verify

that the proper WinterGard heating cable and

accessories are available. The WinterGard

heating cable will have the heating cable

type printed on the outer jacket.

•Walk the system and plan the routing of

the WinterGard heating cable on the pipe.

2. Cut the heating cable to length.

•Cut the heating cable to the length

required. This can be done before or after

the cable is attached to the pipe. Leave a

minimum of 1 foot extra heating cable for

connection to power. For splice and tee

connections, leave a minimum of 1 foot for

each section of heating cable. WinterGard

heating cable can be cut to length without

affecting its heat output per foot.

•Protect the heating cable ends from

moisture or mechanical damage if they

will be left exposed before connection.

3. Position and attach heating cable to pipe.

•Be sure all piping to be traced is dry.

•Install heating cable, using straight tracing,

spiraling, or multiple tracing according to

the “Heating cable selection and design”

section on page 2.

•For straight tracing, install the heating cable

on a lower half of the pipe; for example, in

the 4 o’clock or 8 o’clock position.

•Be sure to install the additional heating

cable required for valves, flanges, etc. as

indicated in Step 2 of the “Heating cable

selection and design”section.

•When the design calls for spiraling, begin

by suspending a loop every 10 feet as

shown in Figure 1.To determine the loop

length, obtain the spiral factor from Table

1 or 2 and multiply by 10. For example, if

a spiral factor of 1.3 is called for, leave a

13-foot loop of heating cable at every

10-foot section of pipe. Grasp the loop in

its center and wrap it around the pipe.

Even out the distance between spirals by

sliding the wraps along the pipe. Use

glass tape to secure the center of the loop

to the pipe. Secure the heating cable flat

to the pipe to obtain good contact.

•Tape WinterGard heating cable to the pipe

at 2-foot intervals using Raychem HTS

H903 fiberglass application tape or nylon

cable ties. Do not use vinyl electrical tape,

duct tape, metal bands, or wire.

4. Install heating cable end seals, splices,

tees, and power connection.

•Install all end seals, splices, tees, and

power connection prior to plugging in.

•If splicing or teeing, use only the H910

WinterGard Splice and Tee Kit to satisfy

code and agency requirements.

•H908 kit assembly instructions begin on

page 8.

5. Check the installation.

•Prior to installing thermal insulation, make

sure the heating cable is free of mechanical

damage (from cuts, clamps, etc.) and ther-

mal damage (from solder, overheating, etc.).

•Visually check all power connections, end

seals, splices, and tees.

•Using a megohmmeter, test each circuit

according to the instructions in the

“Heating cable testing and maintenance”

section (page 4) both before and after

installing the thermal insulation.

10 feet

Glass tape

(typical)

Heating

cable

Tape after

spiraling

heating

cable on

pipe

Wrap loops

in opposite

direction

Pull heating

cable loop

length

Apply glass

tape before

spiraling

heating cable

on pipe

Figure 1. Spiraled heat tracing

H908 Design and Installation Information for Heating Cable on Pipes Only (continued)

(WinterGard H311, H611, and H612 Heating Cables)

Table 4. Product data—WinterGard products on pipe only

Heating cable type WinterGard WinterGard Plus WinterGard Wet

H311 H611 H612

Service voltage (V) 120 120 120

Thermal output at 40°F (W/ft) 3 6 6

Weight per 100 ft (lb) 6 6 9

Minimum installation temp. (°F) 0 0 0

Maximum exposure temp. (°F) 150 150 150

Exposure to chemicals None None None

Environment Use only in ordinary Use only in ordinary Use only in ordinary

(nonhazardous) areas. (nonhazardous) areas. (nonhazardous) areas.

6. Install thermal insulation.

•A reliable WinterGard system depends on

properly installed and weather-proofed

thermal insulation.

•Ensure that type and thickness of the

insulation are in accordance with the

information in the heating cable selection

tables on page 2 and that all pipe work—

including valves, joints, wall penetrations,

and other elements—has been fully

insulated.

•Minimize the potential for mechanical dam-

age to the heating cable after installation by

installing the insulation immediately.

7. Mark the installation.

•Place “Warning”labels for pipe trace applica-

tions on the outer surface of the insulation at

10-foot intervals (on alternating sides of the

pipe) to indicate the presence of WinterGard

electric heating cable. Additional labels and

application tape are contained in the H903 kit.

8. Check the installation

•Prior to powering, check to be sure the

heating cable is free of mechanical damage

(cuts, clamps, etc.).

•Visually check all power connections, end

seals, splices, and tees for proper installation.

•Using a Megohmmeter, test each circuit

according to the instructions in the

“Heating cable testing and maintenance”

section below.

Using a 2500-Vdc megohmmeter (500 Vdc

minimum), test the H908 by unplugging the

unit and checking the insulation resistance

between the blades of the H908 plug and the

H908 ground pin. Minimum reading should be

20 meg-ohms regardless of circuit length.

Record the original values for each circuit. Take

additional readings during regularly scheduled

maintenance and compare to the original value.

If the readings fall below 20 megohms, inspect

cables and insulation for signs of damage.

If physical damage is found,the entire damaged

section must be removed and a new section of

heating cable spliced in using only approved

WinterGard H910 splice kits. Do not repair the

damaged heating cable section.

If physical damage cannot be found, the com-

plete circuit should be removed and replaced

with new WinterGard heating cable.

To ensure protection against excessive current

leakage, test the H908 before each use. When

the test button is pushed in, the indicator light

goes on and the device is ready for use. Do not

use the device if the indicator light does not go

on when the device is reset or if the indicator

light remains on when the test button is pushed.

WARNING: Shock and Fire Hazard. Damaged

heating cable or components can cause electrical

shock, arcing, and fire. Do not attempt to energize

damaged cable or components. Replace them

immediately using a new length of heating cable

and the appropriate WinterGard accessories.

Heating cable testing and maintenance

Electrical protection

For the maximum heating cable circuit length

permitted for a given circuit breaker rating, refer

to Table 3. Limit your circuit length based on

your lowest anticipated start-up temperature.

The H908 kit contains a built-in 27-mA equipment-

protection ground-fault device. This kit provides

ground-fault protection of equipment only. It

does not protect people against the hazards of

electrical shock.

Do not use an extension cord. Plug the unit

directly into the outlet.

Note: Raychem HTS and Article 427 of the 1996

National Electrical Code require ground-fault

protection for pipe heating cable applications.

Table 3. Maximum heating cable circuit length*

Circuit Maximum circuit length (ft)

breaker for minimum start-up temperature

Heating cable type rating (A) 40°F0°F

WinterGard 120 V

H311 15 250 150

WinterGard Plus 120 V

H611 15 150 125

WinterGard Wet 120 V

H612 (on pipe) 15 150 125

WinterGard Wet 120 V

H612 (in drains) 15 125 100

Note: Circuit breaker sizing is based on Section 427-4 of the National Electrical Code.

*Maximum circuit lengths are based on start-up load. Steady-state amps per foot is dependent upon heating cable

temperature.

H908 Design and Installation Information for Heating Cable on Pipes Only (continued)

(WinterGard H311, H611, and H612 Heating Cables)

Article 426 of the National Electrical Code

governs the installation of WinterGard heating

cable systems for roof and gutter de-icing.

Important: For the Raychem HTS warranty to

be valid, you must comply with all the

requirements outlined in these guidelines.

All design information provided here is based on

a “standard”shake or shingle roof application.

For any other application or method of installa-

tion, consult Raychem HTS at (800) 542-8936.

H908 Design and Installation Information for Roof and Gutter De-Icing Only

(WinterGard Wet H612 Heating Cable)

Table 5. Typical spacing and layout measurements

Roof Tracing Tracing Length of WinterGard Wet

overhang width height per foot of roof edge

12" 2' 18" 2'

24" 2' 30" 3'

36" 2' 42" 4'

Only WinterGard Wet H612 120-V heating cable

is suitable for use with the H908 power connec-

tion kit for roof and gutter de-icing applications.

1. Calculate the heating cable length

required.

Total heating cable length:

Roof edge length (ft) ×feet of heating cable

per foot of roof edge

+ Total gutter length (ft)

+ Total downspout length (ft)

+ 1 ft for each power connection

+ 2 ft for each splice connection

+ 3 ft for each tee connection

= Total heating cable length (ft)

1. Prepare for installation.

•Store the heating cable in a clean, dry place.

•Use only the following Raychem HTS

accessories to satisfy code and agency

requirements:

- H908 WinterGard Plug-in Power

Connection Kit (with end seal)

- H910 WinterGard Splice and Tee Kit

(if splicing or teeing)

- H915 Downspout Hangers

- H913/H914 Roof Clips

•Carefully plan the routing of the heating cable

for roof and gutter de-icing.

•Make certain gutters and downspouts are

free of leaves and other debris.

2. Cut the heating cable to length.

•Cut the heating cable to the length required

before or after it is installed. Leave a

minimum of 1 foot extra heating cable for

connection to power. For splice and tee

connections leave a minimum of 1 foot for

each section of heating cable. WinterGard

heating cable can be cut to length without

affecting its heat output per foot.

•Protect the heating cable ends from

moisture and mechanical damage if they will

be left exposed before connection.

3. Position and attach the heating cable.

On roofs

•Loop the heating cable on the overhang

area of the roof. This is the part that

extends past the building wall. Extend the

bottom of each heating cable loop over

the roof edge and, using a UV-resistant

cable tie, connect the bottom of each loop

to the cable running in the gutter to

ensure a drainage channel off the roof and

into the gutter and downspout. The cable

running in the gutter should remain

against the bottom of the gutter. Extend

the top of each heating cable loop beyond

where the wall joins the roof. Raychem

HTS recommends 2-foot clip-spacing

along the roof edge. See the “Heating

cable design”section (Table 5) for spacing

and layout information.

•Use WinterGard H913/H914 roof clips to

attach heating cable to the roof surface.

One H913 kit contains ten roof clips for

approximately 7 linear feet of roof edge.

One H914 kit contains 50 roof clips for

approximately 35 linear feet of roof edge.

For flat roofs, the heating cable can be

spaced as needed to create run-off paths

for melting ice and snow. Use single-

ended clips located at 3-foot intervals to

secure the cable to the roof.

Roof clips may be attached to a shake or

shingle roof with nails or screws. Roof

clips may be attached to a metal roof

using screw, nail or adhesive. (See H56723

installation instruction for more details.)

Reseal the nail or screw holes if necessary

before installing heating cable in the clips.

•A barrier (snow fence) can be placed on the

roof above the heating cable. This prevents

damage to the cable and keeps the installa-

tion from coming loose due to ice slides.

The heating cable can be attached to the

barrier with UV-resistant cable ties, instead

of using roof clips, if desired. Do not use

wire or other materials because they may

damage the heating cable.

In gutters and downspouts

•Run heating cable along gutters and into

downspouts, ending below the freezing level.

Permanent attachment of the cable to the

gutter bottom is not necessary. Loop the

heating cable in downspouts if convenient,

such as when the downspout is not at the

end of the run, or use the H910 splice and

tee kit to tee down the downspout.

•Use WinterGard H915 downspout hangers

to protect the heating cable from fraying

and from damage from sharp edges and

to provide strain relief. Refer to the H915

kit instructions for installation details.

•Use WinterGard H913/H914 roof clips to

route heating cable into and out of the gut-

ter in such a way as to prevent abrasion to

the cable. Protect all cable that protrudes

past the lower opening of the downspout.

Heating cable design

Heating cable installation

Example:

Roof edge: 40 ft

Roof overhang: 1 ft

Roof gutter: 40 ft

Downspout: 15 ft

Power connection: 2 ea.

Tee connection: 1 ea.

WinterGard Wet heating cable required:

Roof edge: 40 ft ×2 (from table above)

Roof gutter: 40 ft

Downspout: 15 ft

Power connection: 1 ft x 2 ea.

Tee connection: 3 ft x 1 ea.

Total WinterGard Wet

heating cable required: 140 ft*

* This total exceeds 125-ft maximum circuit length, therefore two

separate circuits are required.

Electrical codes

H908 Design and Installation Information for Roof and Gutter De-Icing Only (continued)

(WinterGard Wet H612 Heating Cable)

Product data–WinterGard Wet H612 heating cable for roof and gutter de-icing only

Service voltage (V) 120

Thermal output at 32°F (W/ft) (in ice and snow) 8

Weight per 100 ft (lb) 9

Minimum installation temp. (°F) 0

Maximum exposure temp. (°F) 150

Exposure to chemicals None

Environment Use only in ordinary (nonhazardous) areas.

4. Install heating cable end seals,

splices, tees, and power connection.

•Install all end seals, splices, tees, and

power connection prior to plugging in.

•Follow the H908 kit installation instructions

beginning on page 8.

•Use only weatherproof receptacles

approved for wet locations when installing

WinterGard H612 heating cable with the

H908 Power Connection Kit for Roof and

Gutter De-Icing Applications.

5. Mark the installation.

Two labels indicating the presence of elec-

tric de-icing and snow-melting equipment

on the premises are included with this unit.

One label must be posted at the electrical

outlet cover. The other label muswt be posted

at the fuse or circuit breaker panel. The labels

must be clearly visible.

6. Check the installation.

•Prior to powering, check to be sure the

heating cable is free of mechanical damage

(cuts, clamps, etc.).

•Visually check all power connections, end

seals, splices, and tees for proper installation.

•Using a megohmmeter, test each circuit

according to the instructions in the

“Heating cable testing and maintenance”

section below.

Make sure that gutter and downspouts are

free of leaves and other debris prior to the

winter season.

Using a 2500-Vdc megohmmeter (500 Vdc

minimum), test the H908 by unplugging the

unit and checking the insulation resistance

between the bladesof the H908 plug and the

H908 ground pin. Minimum reading should be

20 meg-ohms regardless of circuit length.

Record the original values for each circuit.

Take additional readings during regularly

scheduled maintenance and compare to the

original value. If the readings fall below 20

megohms, inspect heating cables and

insulation for signs of damage.

If physical damage is found,the entire damaged

section must be removed and a new section of

heating cable spliced in using only approved

WinterGard H910 splice kits. Do not repair the

damaged heating cable section.

If physical damage cannot be found, the

complete circuit should be removed and

replaced with new WinterGard heating cable.

To ensure protection against excessive current

leakage, test the H908 before each use. When

the test button is pushed in, the indicator light

goes on and the device is ready for use. Do not

use the device if the indicator light does not go

on when the device is reset or if the indicator

light remains on when the test button is pushed.

WARNING: Shock and Fire Hazard.

Damaged heating cable or components can

cause electrical shock, arcing, and fire. Do not

attempt to energize damaged cable or

zcomponents. Replace them immediately

using a new length of heating cable and the

appropriate WinterGard accessories.

Electrical protection

WinterGard Wet H612

Voltage rating: 120 V

Circuit breaker rating: 15 A max.

Max. heating cable length (ft)

per circuit for minimum

start-up temperature of 0°F: 100

Max. heating cable length (ft)

per circuit for minimum

start-up temperature of 40°F: 125

The H908 plug contains a built-in 27-mA

equipment-protection ground-fault device.

This kit provides ground-fault protection of

equipment only. It does not protect people

against the hazards of electrical shock.

Do not use an extension cord. Plug the unit

directly into the outlet.

Note: Raychem HTS and Article 426 of the

1996 National Electrical Code require ground-

fault protection of equipment for de-icing

systems.

Heating cable testing and maintenance

H913/H914

Roof clip

H915

Downspout

hanger

Cable ties

H910 Tee

End seal

(included in H900 and H910 kits)

Clamp ties

(two places)

H915

Downspout

hanger

Power connection splice

H908:

Ground-fault equipment protection device

End seal (included in H908 and H910 kits)

Weatherproofed

outlet approved

for wet locations

Note:

•In all locations, route and secure cable to avoid possible

mechanical damage, such as from ladders, etc.

•Neither the ground-fault unit nor the power connection

splice can be submerged.

H908 Design and Installation Information for Roof and Gutter De-Icing Only (continued)

(WinterGard Wet H612 Heating Cable)

H908 Installation Instructions –Power Connection Kit

Outer jacket Braid Bus wires

Conductive coreInner jacket

Braid Bus wires

Conductive core

Inner jacket

Identify heating cable

WinterGard H311, H611

Heating cables with braid

and no outer jacket

WinterGard H612

Heating cables with braid

and outer jacket

5" tube 8" tube

2-3/4"

•Unravel 2 3/4" of braid.

•Straighten the braid and

twist into a pigtail.

2 For H311 and H611 heating cables only

1 For all heating cables

•Slide 8-inch tube and 5-inch tube

over end of the plug-in cord.

Note: Instructions generally show heating cable with braid and outer jacket.

Cables with no outer jacket look slightly different from those illustrated.

Black and white

power wires

Green ground wire

Plug-in cord

Stripped end of ground-fault protection device

2-3/4"

2b For H612 heating cable only 2c For H612 heating cable only

1/4"

5 Expose bus wires (continued) 6 Prepare bus wires

1-3/4" 1/4"

1/4"

3 Remove inner jacket (H612 cable shown) 4 Expose bus wires

123456789

•Score between

bus wires at

inner jacket.

•Slide 1/8˝x 1˝shrink

tubes over bus wires.

•To shrink tubing

move heat source

continuously from

side to side.

•While shrinking,

ensure that tubes

remain up against

black core.

•Trim bus

wires.

•Bend core to break free

at inner jacket.

•Peel core and

any remaining

material from

bus wires.

•Lightly score completely around

and then down outer jacket.

•Lightly score completely around

and then down inner jacket.

•Bend heating cable to

break jacket at score, then

peel off inner jacket.

Do not

cut bus

wires.

•Notch core at the end.

•Twist back and

peel bus wires

from core.

Do not cut braid

or inner jacket.

•Unravel the braid back to the

outer jacket.

•Straighten the braid and

twist into a pigtail.

H908 Installation Instructions –Power Connection Kit (continued)

Heat-shrink tube

Plug-in cord

Green wire

Black and

white wires

Mastic

7 Connect bus wires 8 Apply mastic to bus wires

Black cloth tape

Green ground wire

Braid

10 Connect ground wire

Note: Ring of adhesive

will appear at both ends

9 Apply 5-inch shrink tube

•Use insulated bus

wire crimps and

CT-100 crimp tool

to connect black

and white wires to

bus wires of heat-

ing cable. Polarity

does not matter.

•Use uninsulated braid crimp and

CT-570 crimp tool to connect

braid to ground wire.

•Wrap black cloth tape evenly

around crimp and splice.

•Cover crimp completely.

•Center the 5-inch heat-shrinkable

tube over the splice. Make sure

tube extends over the end of each

heating cable and the cord.

•Shrink the tube completely. Start

at the middle and work toward

each end. Keep heating after tube

has shrunk, to melt mastic and

adhesive inside tube. Total

heating time should

be about 2 minutes.

•Immediately after

shrinking, pinch first

one end of the tube

and then the other

end with needle-

nose pliers until the

ends stay sealed.

This normally takes

10 seconds per end.

•Remove release paper from mastic strips.

•Wrap one strip of mastic around the

white wire against the end of the

splice to provide a water block.

•Repeat for the black wire.

•Squeeze

the mastic

together.

H908 Installation Instructions –Power Connection Kit (continued)

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