nvent JBS-100-STB Manual de usuario
JBS-100-STB
Single Entry Power Connection With Junction Box
Installation Instructions
nVent.com
DESCRIPTION
The nVent RAYCHEM JBS-100-STB is a NEMA 4X rated power
connection kit. It is designed for use with BTV-CR, BTV-CT, QTVR-CT,
XTV-CT, KTV-CT and VPL-CT industrial parallel heating cables.
The JBS-100-STB utilizes screw terminal blocks to connect the
heating cable to power.
This kit may be installed at temperatures as low as –40°F (–40°C).
For easier installation store above freezing until just before
installation.
For technical support call your local nVent representative.
TOOLS REQUIRED
• Wire cutters • Pliers or adjustable wrench
• Utility knife • Needle nose pliers
• Large slotted screwdriver • Marker
• 1/4 in or smaller flat-blade screwdriver
• Wire stripper (for VPL-CT)
ADDITIONAL MATERIALS REQUIRED
• Pipe strap • GT-66 or GS-54 glass cloth tape
OPTIONAL MATERIALS
• Recommended conduit drain:
JB-DRAIN-PLUG-3/4INP/N 278621-000
• Small pipe adapter for 1 in (25 mm) and smaller pipes:
Catalog number JBS-SPAP/N E90515-000
APPROVALS
Class I, Div. 2, Groups A, B, C, D
Class II, Div. 1 and 2, Groups E, F, G
Class III
Temp Code*
CLI, ZN1, AEx e II* (1)
Ex e ll T*
(1) Except VPL
*For system Temperature Code, see heating cable or design documentation.
Hazardous Locations
-WS
2 | nVent.com
Heating cable types
This component is an electrical device that
must be installed correctly to ensure proper
operation and to prevent shock or fire. Read
these important warnings and carefully
follow all of the installation instructions.
• 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
nVent, agency certifications, and national
electrical codes, ground-fault equipment
protection must be used. Arcing may
not be stopped by conventional circuit
breakers.
• Component approvals and performance
are based on the use of nVent-specified
parts only. Do not use substitute parts or
vinyl electrical tape.
• The black heating cable core and fibers
are conductive and can short. They must
be properly insulated and kept dry.
• Damaged bus wires can overheat or
short. Do not break bus wire strands when
scoring the jacket or core.
• Keep components and heating cable ends
dry before and during installation.
• Use only fire-resistant insulation
materials, such as fiberglass wrap and
flame-retardant foam.
HEALTH HAZARD: Prolonged or repeated
contact with the sealant in the core sealer
may cause skin irritation. Wash hands
thoroughly. Overheating or burning the
sealant will produce fumes that may cause
polymer fume fever. Avoid contamination of
cigarettes or tobacco. Consult MSDS VEN
0058 for further information.
CHEMTREC 24-hour emergency telephone:
(800) 424-9300
Non-emergency health and safety
information:
(800) 545-6258.
WARNING:
CAUTION:
KIT CONTENTS
Item Qty Description
A 1 Stand
B 1 Core sealer
C 1 Green/yellow tube
D 1 Cable lubricant
E 1 Cable tie
F 1 Lid
G 1 Box with terminal block
A
D
G
F
E
B
®
C
nVent.com | 3
12 in
(30 cm)
Indentation (bus wire
connection on VPL
heating cables only).
1
• Allow approximately 24 in
(60 cm) of heating cable
for installation. For VPL, cut
cable 12 in (30 cm) from bus
indentation.
• Cut off heating cable end at
about 45° for easier insertion.
• Do not attach
stand to pipe
until step 12.
4
18 in
(45 cm)
Label on stand
indicates
direction of
box opening.
Drain
hole
2
• Optional: If stand is to be
installed on bottom side of
pipe, knock out drain hole prior
to inserting cable.
• With label on stand facing
desired direction of box
opening, push 18 in (45 cm) of
heating cable through stand.
Use cable lubricant if needed.
• Square off cable
end with 90° cut.
1/4 in
(5 mm)
6 1/2 in
(165 mm)
BTV and QTVR
5A
• Push braid back to create a pucker.
• At pucker use a
screwdriver to
open braid.
• Bend heating cable and work
it through opening in braid.
• Lightly score inner
jacket around and
down as shown.
• Peel off inner jacket.
• Notch core.
• Peel bus wire from core.
• Score core between
bus wires at inner
jacket.
• Bend and snap core.
• Peel core from bus wire.
• Remove any remaining
core material from bus
wires.
• Pull braid tight to make
pigtail.
Go to Step 6
7 1/2 in
(190 mm)
Do not cut braid.
3
• Lightly score outer jacket around and down as shown.
• Bend heating cable to break jacket at score, then peel off
jacket.
XTV and KTV
BTV and QTVR
VPL
Go to Step 5B
Go to Step 5A
Go to Step 5C
4
4 | nVent.com
1/2 in
(13 mm)
6 in
(152 mm)
6 in
(152 mm)
VPL
5C
• Push braid back and bunch
as tight as possible.
• Lightly score inner
jacket around and
down as shown.
• Peel off inner jacket.
• Unwind heating element, cut
and remove as shown.
• Lightly score clear
jacket around and
down as shown.
• Bend heating cable
to break jacket at the
score then peel off
jacket.
• Push braid forward.
Use a screwdriver to
open braid as shown.
• Bend heating cable and work
it through opening in braid.
• Remove insulation
from ends of bus
wires.
• Pull braid tight to
make pigtail.
Go to Step 6
6 1/2 in
(165 mm)
XTV and KTV
5B
• Push braid back to create a pucker.
• At pucker use a
screwdriver to
open braid.
• Bend heating cable and work it
through opening in braid.
• Lightly score inner jacket
around and down as shown.
• Peel off inner jacket.
• Cut and remove all
fiber strands.
• Score and remove
center spacer.
• Remove any remaining
fiber material from bus
wires.
• Pull braid tight to make pigtail.
Go to Step 6
nVent.com | 5
Make sure the bus
wires do not kink,
bunch, or crossover.
1/2 in
(13 mm)
1/2 in
(13 mm)
1 in (25 mm)
8
10 11
9
• Push core sealer onto the heating cable to the
mark made in step 6.
Note: Extra force may be required for larger
cables or at lower temperatures.
• Trim bus wires and braid.
• Remove the guide tubes and dispose of
them in a plastic bag.
• Slip the green/yellow tube onto the braid.
Heat-shrinking is not required.
• Pull heating cable back into stand so 1 in (25 mm) is
exposed as shown. Use cable lubricant if needed.
5/8 in
(15 mm)
6
Tubes
Make sure all strands
go into the tubes.
7
• Mark the jacket
as shown.
• If needed, re-twist and straighten bus wires,
then insert into the guide tubes as shown.
CAUTION: Health Hazard. Wash hands after contact
with sealant in core sealer. Consult material safety
data sheet VEN 0058.
6 | nVent.com
1 in (25 mm)
Glass cloth tape
Pipe strap
JBS-SPA
adapter for
small pipes
Note: For 1 in (25 mm)
and smaller pipes use
adapter (purchased
separately) and install
between stand and pipe.
Position
adapter
this side
up.
Trim
12
13
15
Notch
14
• Fasten stand to pipe with
label facing desired direction
of box opening. Do not pinch
heating cable.
• Loop and tape extra heating
cable to pipe.
• Screw box onto stand until it stops. Do not overtighten.
• Insert cable tie through slots on stand and box, and
tighten firmly to prevent box rotation.
• Loosen locknut.
• Lift box and rotate. Make sure tab on threaded piece fits
into one of the four notches in box.
• Tighten locknut.
(Optional) To change direction of box opening:
nVent.com | 7
Bend conductors for
easier insertion into
terminal block.
16
This kit uses screw style terminals.
To connect wires, fully insert into opening on side of
terminal block 1. Insert small flat-blade screwdriver
through round opening and firmly tighten screw 2.
• Wire insertion 1.
• Use green terminal for
braid and ground wire.
• Tighten screws 2.
• Repeat 1and 2for
remaining wires.
1
2
nVent recommends the use
of a conduit drain to prevent
water condensation build-up.
Make sure
conductors are
not exposed.
Conduit
drain
3/4 in locknut
Water tight
conduit seal
Weather seal
17
18
• Install conduit and fittings as shown.
To minimize loosening due to pipe
vibration, use flexible conduit.
• Pull in power and ground wires, strip
off 1/2 in (13 mm) of insulation and
terminate.
• Install lid.
• Apply insulation and cladding.
• Weather-seal the stand entry.
• Leave these instructions with the end user for future
reference.
nVent.com
North America
Tel +1.800.545.6258
Fax +1.800.527.5703
Europe, Middle East, Africa
Tel +32.16.213.511
Fax +32.16.213.604
Asia Pacific
Tel +86.21.2412.1688
Fax +86.21.5426.3167
Latin America
Tel +1.713.868.4800
Fax +1.713.868.2333
©2018 nVent. All nVent marks and logos are owned or licensed by nVent Services GmbH or its affiliates. All other trademarks are the property of their respective owners.
nVent reserves the right to change specifications without notice.
Raychem-IM-H57 741 -JBS100STB-EN-1805 PN P000000363
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