Vector SC-T Series Install Sheet

Contact Temperature Sensor SC-T
SC-T, Flying Lead Contact Temperature Sensor
Features
 Thermistors and PT sensing elements to fit your system
 Strap-On mounting for pipes or arched surfaces
 Simple installation
 Wide range of temperature probes
 Including 2m (6.5ft) wire
Applications
 Measure temperature for heating, ventilation and air conditioning
applications
 For heating or cooling mode detection in 2-pipe systems
 As frost protection sensor
Temperature sensor
The sensor measures the temperature by use of a glass packed thermistor
with a negative temperature coefficient (NTC), a platinum film (PT) or a nickel
thin layer (NI) based probe. Its resistance changes according to the
temperature. The change follows a specified curve. A summary of such curves
is printed on the back of this document. Contact our sales department for
curves or sensing elements not yet listed below.
Compensating conductor resistance
The length and type of conductors used to connect the sensor to the
measuring electronic influences the accuracy of the measurement. Especially
for elements with low resistance this has to be taken into account.
Compensation needs to be performed by the measurement electronics.
Ordering
SC-Tn10-2A
Cable type:
default: PVC cable double insulated
-H = High temperature
-P = Plenum rated
-A = PVC cable single insulated
Cable length in Meter
Sensing Element (see below)
Sensor Type: Sensor with flying lead
Item Name Probe Definition
SC-Tn3-2 NTC 3kΩ at 25°C (77°F) B
25/50
SC-Tn10-2 NTC 10kΩ at 25°C (77°F) B
25/50
SC-Tn11-2 NTC 10kΩ at 25°C (77°F) B
25/50
SC-Tn12-2 NTC 10kΩ at 25°C (77°F) B
25/50
SC-Tn20-2 NTC 20kΩ at 25°C (77°F) B
25/50
SC-Tn100-2 NTC 100kΩ at 25°C (77°F) B
25/50
SC-Tp1-2 PT100 EN60751
SC-Tp2-2 PT1000 EN60751
SC-Tk5-2 NI1000 5000 ppm/K
AMS-2 Tightening strap for ½-3in pipes
AMS-3 Tightening strap for 3-6in pipes
Doc: 70-00-0215A, V1.0, 20140722
Technical Specification
Warning! This device is intended to be used for comfort applications. Where a
device failure endangers human life and/or property, it is the responsibility of the
owner, designer and installer to add additional safety devices to prevent or detect
a system failure caused by such a device failure. The manufacturer of this device
cannot be held liable for any damage caused by such a failure.
Failure to follow specifications and local regulations may endanger life, cause
equipment damage and void warranty.
Sensing Probe
Cable
Cable length
Environment
3935
3935
3630
3380
2m, (6.5ft)
4200
4200
Standards
Housing
Contact Temperature Sensor SC-T
Thermistor:
NTC
Range: (Probe only)
-70...150°C (-94...302°F)
Accuracy:
-40...0°C (-40...32°F):
0.5 K
0...50°C (32...122°F):
0.2 K
50...100°C (122...212°F):
0.5 K
> 100°C (> 212°F):
1 K
Platinum-Film: PT according EN 60751
Range: (Probe only) -70...200°C (-94...392°F)
Accuracy EN 60751, Class B, ask for other class
Nickel Thin Layer: 1000 Ω at 0°C, 5000 ppm/K
Range: (Probe only) -60...200°C (-76...392°F)
Accuracy DIN 43760
Standard
2
Size 2 x 0.20 mm (AWG 24)
Insulation material PVC
Operating Temperature -40...80°C (-40...176°F)
Ratings UL758, 1581/CSA C22.2 No 210.2
High temperature -H
2
Size 2 x 0.35 mm (AWG 22)
Insulation material FEP
Operating temperature -60...200°C (-76...392°F)
Ratings ULR/CSA C22.2 No 210.2
Plenum rated -P
2
Size 2 x 0.5 mm (AWG 20)
Insulation material Plenum PVC
Operating temperature -20...75°C (-4...167°F)
Ratings UL C(UL) PLENUM CMP OR E355847
FPLP UL
Single insulated PVC -A
2
Size 2 x 0.20 mm (AWG 24)
Insulation material PVC
Operating Temperature -40...80°C (-40...176°F)
Ratings UL758,1581 CSA C22.2 No.210.2
Operation
To IEC 721-3-3
Climatic conditions
class 3K5
Temperature depends on cable
See above
type
Transport & storage To IEC 721-3-2 and IEC 721-3-1
Climatic conditions class 3K3 and class 1K3
Temperature -40...80°C (-40...176°F)
Humidity < 95% RH non-condensing
Mechanical conditions class 2M2
conform according to
EMC Standard 89/336/EEC EN 61 000-6-1/ EN 61 000-6-3
EMEI Standard 73/23/EEC
Automatic electrical controls for EN 60 730 –1
household and similar use
Special requirement on EN 60 730 – 2 – 9
temperature dependent controls
Pollution Class Normal acc. to EN 60 730,
RoHS compliant
Degree of Protection IP65 to EN 60 529
Safety Class III (IEC 60536)
Probe Brass
Dimensions (Diameter x L) Probe: ø 6 x 35 mm (ø 0.25" x 1.4")
Contact Plate: 20x30mm (0.8" x 1.2")
Weight (including package) 80g (2.8oz)
© 2012-2014 Vector Controls GmbH, Switzerland
www.vectorcontrols.com
Contact Temperature Sensor SC-T
Wiring & Installation
Wiring Diagram
SC-T
RT
Dimensions [mm](in)
20
(0.8)
35 (1.4)
 6 (0.2)
Installation
Mount the sensor on a supply or return pipe depending on application.
Make sure the maximum allowed temperature limit is not exceeded.
For better temperature transfer between sensor and medium use heat
conducting paste or heat conducting pads.
If possible place the sensor on the upper side of the pipe to prevent
permeation by condensate.
Bend the wings of the contact sensor to fit to the radius of the pipe.
Place the heat conducting pad or liquid between pipe and sensor and use the
tightening strap to fix the sensor to the pipe. Use moderate torque, do not
crush the sensor.
Subject to alteration