Carel NTC*HP* Series - 1 Introduction; General Description; 2 Ntc Technical Specifications; Models NTC*HP

7
rel. 2.7 - 16.11.2018
ENG
"Passive probes" +030220658 -
1. INTRODUCTION
1.1 General description
The Carel passive temperature probes are devices that, when connected
to the controller, provide a resistance value, which is then converted to
a temperature by the electronic controller. These are used in HVAC/R
applications, and represent a complete range capable of satisfying a
variety of needs in different installations. The probes are made using
materials that guarantee constant quality.
The range includes various models that differ based on the performance
of the system and the fields of application. The probes have different
types of sensor (NTC, PTC, Pt1000), caps, index of protection, cable length,
operating ranges and mechanical dimensions.
In addition, models are available for use in hydronic systems, applied
directly onto the tubing, which simplify installation and offer a faster
response in the reading, improving the wiring of the HVAC/R unit and
improving performance.
The probes are used together with Carel electronic controllers (parametric
and programmable).
2. NTC TECHNICAL SPECIFICATIONS
2.1 Models NTC*HP*
Storage conditions -50T105 °C
Operating range -50T105 °C in air
Connections Stripped ends, dimensions: 5±1 mm
Sensor NTC 10 kΩ ±1% a 25 °C Beta 3435
Dissipation factor (in air) ca. 3 mW/°C
Thermal constant over time (in air) ca. / approx. 25 s
Cable Black two-wire flat cable, with tinned copper wire size 0.3 mm2
Sensitive element index of protection IP67
Sensitive element housing Polyolefin
Classification according to protection against electric shock
(sensitive element & cable)
Basic insulation for 250 Vac
Category of resistance to heat and fire Flame retardant
15
L = *
6x5
Fig. 2.a
* = see table of product codes in price list.
Warning: all measures present in this manual are in millimeters.
2.2 Models NTC*WF*
Storage conditions -50T105 °C
Operating range -50T105 °C
Connections Stripped ends, dimensions: 5±1 mm
Sensor NTC 10 kΩ ±1% a 25 °C Beta 3435
Dissipation factor (in air) ca. / approx. 7 mW/°C
Thermal constant over time (in air) ca. / approx. 10 s
Cable Two-wire with double sheath, AWG22, tinned copper with electrical resistance ≤63 Ω/km - Insulation: TPE speci-
fic for immersion in water on outer sheath, PP/Co inside on wires, OD 3.5 mm max.
Sensitive element index of protection IP67
Sensitive element housing AISI 316 steel diameter 4 mm - L= 40 mm
Classification according to protection against
electric shock (sensitive element & cable)
Basic insulation for 250 Vac
Category of resistance to heat and fire Flame retardant
Tab. 2.a
40
L =*
Ø 4
Fig. 2.b
* = see table of product codes in price list