Raychem HWT-P is for use with Raychem HWAT heating cables. It is a power connection and end seal kit that includes materials for one power connection and one end seal. The kit can be used in dry and accessible locations and is approved when used with the appropriate agency-approved nVent components and accessories. Some of the features of the Raychem HWT-P include:
- Easy installation - The kit includes all the necessary materials for a quick and easy installation.
- Durable construction - The kit is made from high-quality materials that are designed to withstand harsh conditions.
- Versatile use - The kit can be used with a variety of Raychem HWAT heating cables, making it a great choice for a variety of applications.
Raychem HWT-P is for use with Raychem HWAT heating cables. It is a power connection and end seal kit that includes materials for one power connection and one end seal. The kit can be used in dry and accessible locations and is approved when used with the appropriate agency-approved nVent components and accessories. Some of the features of the Raychem HWT-P include:
- Easy installation - The kit includes all the necessary materials for a quick and easy installation.
- Durable construction - The kit is made from high-quality materials that are designed to withstand harsh conditions.
- Versatile use - The kit can be used with a variety of Raychem HWAT heating cables, making it a great choice for a variety of applications.
DESCRIPTION
The nVent RAYCHEM HWT-P Power Connection and End Seal Kit
is for use with nVent RAYCHEM HWAT heating cables. Materials
for one power connection and one end seal are included in this kit.
These installation instructions should be used in conjunction with
the HWAT System Installation and Operation Manual (H57548). For
technical support contact your nVent representative or call nVent at
800-545-6258.
TOOLS REQUIRED
• Screw driver • Pen
• Needle-nose pliers • Diagonal cutters
• Utility knife • Heat gun or torch
• Tape measure • Channel lock pliers
ADDITIONAL MATERIALS REQUIRED
(NOT PROVIDED IN THIS KIT)
• UL Listed or CSA Certified junction box suitable for the location,
with a through hole or threaded hub for 3/4-inch NPT.
APPROVALS
Heating Cable
718K Pipe
-G
HWAT heating cables are UL Listed, CSA Certified, and FM
Approved when used with the appropriate agency-approved
nVent components and accessories. The components are
intended for use in dry and accessible locations.
WARNING:
CAUTION:
KIT CONTENTS
Item Qty Description
A 1 HWAT water heater tag
B 1 Gel-filled end seal
C 1 Pipe mounting bracket
D 1 #3 pipe strap
G 4 Warning labels
H 2 Wire nuts (red)
I 1 Wire nut (gray)
K 1 Lock nut
L 1 Cable gland
M 1 Black washer
N 1 Plastic cable tie
H
G
K
N
J
I
L
M
F
E
D
A
C
B
© 2014 nVent Thermal LLC
WWW.nVentTHERMA L.COM
PN P000001655 H59088 02/14
For HWAT Systems install this tag on
the hot water heater or temperature control valve
servicing the hot water systems.
ATTENTION
150°F
MAX.
DO NOT heat water above 150°F. Temperatures
above 150°F will permanently reduce the power
output of the HWAT heating cable used on this
hot water system.
HWT-P
HWAT Power Connection Kit with End Seal Installation Instructions
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 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.
• Bus wires will short if they contact each other. Keep bus
wires separated.
• Keep components and heating cable ends dry before
and during installation.
• The black heating cable core is conductive and can short.
It must be properly insulated and kept dry.
• Component approvals and performance are based
on the use of nVent–specified parts only. Do not use
substitute parts or vinyl electrical tape.
• Use fire-resistant insulation materials.
• Do not damage cable jackets or braid. Remove any
damaged cables or connections from service.
• Do not use aluminum feed wires.
• Leave these instructions with end user for reference and
future use.
HEALTH HAZARD: Overheating heat-shrinkable tubes will
produce fumes that may cause irritation. Use adequate
ventilation and avoid charring or burning. Consult MSDS
RAY3122 for further information.
CHEMTREC 24-hour emergency telephone:
(800) 424-9300
Non-emergency health and safety information:
(800) 545-6258.
Nickel-plated copper bus wires
Self-regulating conductive core
Polymer-coated aluminum wrap
Tinned-copper braid
Modified polyolefin inner jacket
HWAT
Modified polyolefin
outer jacket
Nickel-plated copper bus wires
Self-regulating conductive core
Polymer-coated aluminum wrap
Tinned-copper braid
Modified polyolefin inner jacket
HWAT
Modified polyolefin
outer jacket
Black washer
Do not cut
metal braid or
inner jacket.
6 1/2 in
24 in.
(60 cm)
• Unscrew cable gland (Item L).
• Discard white washer and use black washer
(Item M) instead.
• Slide nut, washer and grommet over the cable as
shown.
• Bevel on the washer should face into the nut.
• Lightly score completely around
and then down outer jacket.
• Bend heating cable to break jacket
at score then peel off outer jacket.
Power Connection Installation
• Carefully slide screwdriver
underneath the braid and poke
tip of screwdriver up through
2-3 bundles of the braid wire.
• Straighten out braid wire
• Repeat until entire length of braid is unraveled.
• Slowly pull
back on
screwdriver to
unravel
braid.
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4
Do not cut
bus wires.
1/2 in
6 in
Do not cut
bus wires.
1/4 in
• Using wire cutters, cut
away aluminum wrap.
• Straighten the braid and
twist braid into a pigtail.
• Do not shorten the braid.
• Notch core at the end
• Twist back and peel bus wires
from core
• Score between
bus wires at base
jacket
• Bend core to break
free at base jacket
• Peel core and any
remaining material
from bus wires
• At the end of each heating cable, lightly score completely
around and down inner jacket
• Bend heating cable to break jacket at score, then peel off
inner jacket
• Slide heat-shrinkable tubes (Item E) over the
bus wires.
• Starting from the center of the tube, move the
heat source continuously from side to side.
• Slide heat-shrinkable tube (Item J)
over the stripped portion of the cable,
until tube butts up against the outer
jacket.
• To prevent the shrink tube
from moving, slightly spread
the bus wires to hold tube in
place while shrinking.
CAUTION: Health
Hazard. Consult
material safety data
sheet RAY3122.
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IMPORTANT: If using a
torch, be careful not to
overheat, char or
damage the tube.
nVent.com | 3
5
6
7
9 10
8
Lock
nut
Note: For junction
boxes with a
through hole,
use provided lock
nut (Item K).
Note: Ensure junction box is in proper orientation and
tighten to pipe mounting bracket (Item C). In some
cases, it may be required to install the junction box
in the 3 o'clock or 9 o'clock position on the pipe.
• Slip green/yellow tube (item F)
over braid and shrink.
1/2 in
1/2 in
5 1/2 in
• While tube is still hot, pinch with pliers between
bus wires to seal; hold for 10 seconds.
• Starting at center of tube, move heat source
continuously from side to side.
1 1/2"
• Slide grommet until end is 1 1/2"
from end of outer jacket
• Bring cable into
junction box
• Hand tighten nut
• With channel lock
pliers tighten nut, but
do not exceed more
than one (1) turn.
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7
8
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CAUTION: Health Hazard. Consult
included material safety data sheet.
CAUTION: Health Hazard. Consult
included material safety data sheet.
CAUTION: To avoid burns allow heated
sections to cool before touching.
4 | nVent.com
11
12
13
15
14
16
Cold
water in
HWAT water
heater tag
Mixing
valve
Tempered
water out
Hot water out
Hot water in
Water
heater
© 2014 nVent LLC
WWW.nVent.COM
PN P000001655 H59088 02/14
For HWAT Systems install this tag on
the hot water heater or temperature control valve
servicing the hot water systems.
ATTENTION
150°F
MAX.
DO NOT heat water above 150°F. Temperatures
above 150°F will permanently reduce the power
output of the HWAT heating cable used on this hot
water system.
Ground wire
Red wire nuts
(Item H)
Gray wire nut
(Item I)
• Apply warning label
(Item G) to junction
box cover.
• Use red wire nuts
(Item H) to connect
the supply with the
heating cable bus
wires.
• Use gray wire nut
(Item I) to connect
the ground braid to
the supply ground.
• Attach HWAT water heater tag
(Item A) to either the water
heater or temperature control
valve servicing the hot water
systems, using the plastic cable
tie (Item N).
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End Seal Installation for HWAT Heating Cables
1"
• Score down and around outer jacket 1 inch from the end.
• Remove the outer jacket.
• Do not cut or damage inner jacket.
• Using wire cutters, cut away aluminum wrap close to
braid and outer jacket.
• Remove exposed braid.
• Push end seal completely onto heating cable.
• Wipe off excess gel that may ooze out after you insert the
heating cable.
Note: The end seal can be installed only once; it cannot be
removed from the heating cable.
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North America
Tel +...
Fax +...
Europe, Middle East, Africa
Tel +...
Fax +...
Asia Pacific
Tel +...
Fax +...
Latin America
Tel +1.713.868.4800
Fax +...
©2019 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-H59091-HWTP-EN-1901
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Raychem HWT-P is for use with Raychem HWAT heating cables. It is a power connection and end seal kit that includes materials for one power connection and one end seal. The kit can be used in dry and accessible locations and is approved when used with the appropriate agency-approved nVent components and accessories. Some of the features of the Raychem HWT-P include:
- Easy installation - The kit includes all the necessary materials for a quick and easy installation.
- Durable construction - The kit is made from high-quality materials that are designed to withstand harsh conditions.
- Versatile use - The kit can be used with a variety of Raychem HWAT heating cables, making it a great choice for a variety of applications.
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