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Siemens Modulating refrigerant valves, PN 63 CE2N4717en
Smart Infrastructure 2019-11-25
Technical data
Functional actuator data
Power supply
Extra low-voltage only (SELV, PELV)
AC 24 V
Operating voltage
AC 24 V ±20% (SELV) or
AC 24 V class 2 (US)
Frequency
45...65 Hz
Typical power consumption P
med
12 W
Stand by
< 1 W (valve closed)
Rated apparent power S
NA
32 VA (for selecting the transformer)
Required fuse I
F
1,6…4 A, slow
External supply line protection Fuse slow max. 10 A
or
Circuit breaker max. 13 A
Characteristic B, C, D according to
EN 60898
or
Power source with current limitation of max.
10 A
DC 24 V
Operating voltage
DC 20…30 V
Current draw
0,5 A / 2 A (max.)
Signal inputs
Positioning signal Y
DC 0/2…10 V or DC 0/4…20 mA
Impedance DC 0/2…10 V
100 k
Ω
// 5nF (load < 0,1 mA)
DC 0/4…20 mA
240
Ω
// 5nF
Forced control ZC
Input impedance
22 k
Ω
Close valve (ZC connected to G0)
< AC 1 V; < DC 0,8 V
Open valve (ZC connected to G)
> AC 6 V; > DC 5 V
No function (ZC not wired)
Positioning signal Y active
Signal outputs
Position feedback U Voltage
DC 0/2…10 V; load resistance ≥ 500 Ω
Current
DC 0/4…20 mA; load resistance ≤ 500 Ω
Stroke measurement
Nonlinearity
Inductive
± 3 % of end value
Positioning time
Positioning time
< 1 s
Electrical connection
Cable entry
3 x Ø 17 mm (for M16)
Minimal wire cross-section
0.75 mm
2
Maximum cable length
Refer to "Connection type", page 6
Functional valve data
Permissible operating pressure
max.6.3 MPa (63 bar)
1)
Differential pressure Δp
max
2.5 MPa (25 bar)
Valve characteristic (stroke, k
v
)
linear (to VDI / VDE 2173)
Leakage rate
(internally a
cross seat)
max. 0,002 % k
vs
resp.
max. 1 Nl/h gas at ∆p = 4 bar
Shut/off function, like solenoid normally closed (NC)
function
External seal
hermetically sealed!
Permissible media
Ammonia (R717), CO2 (R744) and all safety refriger-
ants (R22, R134a, R404A, R407C, R507, etc);
Not suited for use with inflammable refrigerants
Medium temperature
Refrigerant outlet (AB)
-40...120 °C; max. 140 °C for 10 min; without ASR70
Refrigerant inlet (A)
1...120°C; max. 140°C für 10min; without ASR70
Refrigerant inlet (A)
-40...0°C with ASR70
6)
Stroke resolution
∆
H / H
100
1 : 1000 (H = stroke)