nvent Raychem RTD3CS User manual
DESCRIPTION
The nVent RAYCHEM RTD3CS and RTD10CS are three-wire
platinum RTD (resistance temperature detectors) typically used
with monitoring and control systems, such as our
nVent RAYCHEM 910 controller, when accurate temperature
control is required.
The RTD3CS and RTD10CS can be installed directly to the
junction box where RTD extension wire is used.
TOOLS REQUIRED
ADDITIONAL MATERIALS REQUIRED
• AT-180 aluminum tape
KIT CONTENTS
Qty Description
1 RTD temperature sensor
WARNING:
Extension Wires
Wire size
20 AWG, stranded tinned copper
Wire insulation
rating
Length RTD3CS
18 in (457 mm) lead wire
RTD10CS
18 in (457 mm) lead wire
Outer shield
Maximum exposure
temperature
400°F (204°C)
Conduit bushing in NPT
APPROVALS
SPECIFICATIONS
Sensor
Housing 316 stainless steel
Dimensions 3 in (76 mm) length 3/16 in (8 mm)
diameter
Sensing area 1 in (38 mm)
Accuracy
Range –76°F to 400°F (–60°C to 204°C)
Resistance
RTD3CS and RTD10CS
POSITIONING THE SENSOR
in the diagram. Place the RTD sensor at least 3 feet (1 m) from
pipe supports, valves, or other heat sinks.
there is no air space between the RTD and the pipe. Do not use
the same piece of AT-180 tape to overlap the RTD and heat-trace
cable.
90 Heating cable
Control sensor
AT-180 tape
AT-180 tape
Heating cable
Control
thermostat bulb
Double traced
Single traced
INSTALLATION WITH HEATING CABLE
Electrical Wiring Guidelines:
Most electrical codes (such as NEC 725.15) permit Class 1 circuits
to occupy the same cable, enclosure, or raceway without regard
Additional Materials Required
• Pipe straps
Conduit
drain
JBS-100-A
Sensor
Splice box
(not provided -- must
be approved for area
classification)
To controller
RTD DIRECT CONNECTION TO CONTROLLER
The RTD3CS and RTD10CS can be terminated directly at the
controller using the supplied
Sensor
Stainless steel
flexible armor
(3 ft or less for RTD3CS and
10 ft or less for RTD10CS)
Raychem controller
RTD DIRECT CONNECTION TO CONTROLLER
Sensor
Splice box
(not provided - must be
approved for area classification)
To controller
Conduit
drain
RTD3CS AND RTD10CS WIRING
Connect the wires as shown.
Note: Ground RTD extension wire shield at one end only,
Red (Source)
White
Red
Red Red (Compensate)
Field Wiring (if required)
White (Common return)
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 aliates. All other trademarks are the property of their respective owners.
nVent reserves the right to change specications without notice.
Raychem-IM-H56989-RTD3CSRTD10CS-EN-1805
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1
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