14
ENG
Hecu CO
2
+0300085EN rel. 2.2 - 07.05.2019
2.5 Unipolar E2V valves for R744
A
ØE Out
ØF Out
ØE In
ØF In
B
C
D
G
43.0
G
44.0
Ø16
Ø39
Valve type A B C D E F G
E2V**CS1C* 125.8mm (4.95 inch) 82.3 mm (3.24inch) 52.3 mm (2.06 inch) 53.3 mm (2.10 inch) ID 13/OD 18 mm
(in 0.51 out 0.71 inch)
ID 13/OD 18 mm
(in 0.51 out 0.71 inch)
10 mm (0.39 inch)
CAREL E2V-C operating speci cations CAREL E2V-U stator
Compatibility R22, R134a, R404A, R407C,R410A, R744, R507A, R417A Reference technical document +050001440
Maximum working
pressure (MWP)
up to 140 barg (2030 PSIg) Power supply voltage 12 V
Maximum operating
pressure diff erential
(MOPD)
up to 120 bars (1740 PSI)
for E2V24CS0** and E2V24CS1** 85 bars (1233 PSI)
Drive frequency 50 Hz
PED Gr. 2, art. 3, par. 3 Phase resistance (25 °C) 40 Ohms ± 10%
Refrigerant temperature -40T70 °C (-40T158 °F) Ingress protection IP67
Room temperature -30T70 °C (-22T158 °F) Connections 6 pin, cable length: 2 m
Contact CAREL for diff erent operating conditions or alternative refrigerants. Complete closing / control steps 500 / 480
Tab. 2.o
2.6 Pressure probes (SPKT00**8C0)
C
uscita
out
B
alimentazione
supply
A
non utilizzato
not used
Fig. 2.a
Description of codes and models
Part number Pressure psi Pressure bars Mod. over
range
Burst
pressure
IP
(1)
4 mA 20 mA 4 mA 20 mA psi bar psi bar
SPKT00D8C0 0 2175 0 150 Male 4360 300 7680 530 IP67
SPKT00H8C0 0 1740 0 120 Male 4360 300 7680 530 IP67
Note: (1): with connector plugged in; all sensors are sealed gauge
Technical speci cations
reference technical document +050000596
power supply 8-28 Vdc, ±20%
output 4 to 20 mA
mechanical fi tting ¼” male gas (with circular gasket, resistant to
water and oil)
operating temp. -40T100°C
storage temp. -20T100°C
fl uid temp. (average) -20T100°C
linearity ± 1% FS (0 to 50 °C) temperature compensated
± 2% FS (0 to 80 °C); ± 4% FS (-40 to 100 ° C)
ingress protection IP67 with connector plugged in
shock 20 g* sinusoidal, 11 msec
vibrations 5 to 2000 Hz / 10 g /, X/Y/Z axes / 20 g sen 11
ms
environmental poll. level normal
insulation at 50 V ≥ 10 MΩ
response time (0 to 99%) < 10 msec
EMC EN 61000-6-1 - 4 / EN 61326-2-3
electrical connections Packard Plug
tightening force 12-16 Nm
Compatible with all types of refrigerant
Note: FS = MAX output - MIN output
2.7 Temperature probes
Models NTC***HP00 NTC***HT41 NTC***HF01
Reference technical document +030220655 +030220655 +030220655
Operating range -50T105 °C in air / -50T50 °C in fl uid 0T150 °C in air -50T105 °C
Connections Stripped wire terminals, dimensions: 5±1
mm
Stripped wire terminals, dimensions:
6±1mm
Stripped wire terminals, dimensions:
6±1mm
Sensor NTC 10 kΩ ±1% at 25 °C Beta 3435 NTC 50 kΩ ±1% at 25 °C Beta 3977 R(25 °C)= 10 kOhm 1%; Beta 3435
Dissipation factor (in air) approx. 3 mW/°C approx. 3 mW 3 mW
Thermal constant over time (in air) approx. 25 s approx. 30 s approx. 50 s
Sensor ingress protection IP67 IP55 IP67
Sensor housing Polyolefi n High temperature polyester dim. 20x5 mm Thermoplastic with fi xing tie
Class of protection against electric shock Basic insulation for 250 Vac Basic insulation for 250 Vac Basic insulation for 250 Vac
Heat and fi re resistance cat. Flame retardant In accordance with CEI 20-35 UL/HB cable
• inside showcase temperature • discharge temperature
• evaporation temperature
• gas cooler outlet temperature
Tab. 2.p
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