Product Overview

8/12
Siemens Modulating control valves with magnetic actuators, PN 16 CE2N4461en
Building Technologies 17.06.2009
Technical data
Functional actuator data
Power supply
Extra low-voltage only (SELV, PELV)
AC 24 V
Operating voltage AC 24 V +20 / –15 %
Frequency 45...65 Hz
Typical power consumption P
med
refer to table «Connection type», page 6
Standby < 1 W (valve closed)
Rated apparent power S
NA
refer to table «Connection type», page 6
Required fuse I
F
slow, refer to table «Connection type»
DC 24 V
Operating voltage DC 20...30 V
Current draw at DC 24 V 0,5 A / 4 A (max.)
Input
Positioning signal Y DC 0/2...10 V or DC 0/4...20 mA
or Phase Cut signal Phs 0…20 V
Impedance DC 0/2...10 V 100 kΩ // 5nF (load < 0.1 mA)
DC 0/4...20 mA 240 Ω // 5nF
Forced control Z
Impedance 22 kΩ
Close valve (Z connected to G0) < AC 1 V; < DC 0,8 V
Open valve (Z connected to G) > AC 6 V; > DC 5 V
No function (Z not wired) phase-cut- or positioning signal Y active
Output
Position feedback signal 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 < 2 s
Electrical connections Cable entries 2 x ∅ 20,5 mm (for M20)
Connection terminals screw terminals for 4 mm
2
wires
Min. wire cross-section 0,75 mm
2
Max. cable length refer to «Connection type», page 6
Functional valve data
PN class PN 16 to EN 1333
Permissible operating pressure
1)
1,6 MPa (16 bar)
Differential pressure Δpmax / Δp
S
refer to table «Type summary»
Leakage rate at
Δp = 0,1 MPa (1 bar)
A → AB max. 0,05 % k
VS
B → AB < 0,2 % k
VS
depending on operating
conditions
Valve characteristic
3)
equal percentage, n
gl
= 3 to VDI / VDE 2173 or
linear, optimized near the closing point
Permissible media
drinking water, cooling, cold and hot water,
water with anti-freeze;
recommendation: water treatment to VDI 2035
Medium temperature
2)
–20...130 °C
Stroke resolution ΔH / H
100
1 : 1000 (H = stroke)
Position when deenergized A → AB closed
Mounting position upright to horizontal
Mode of operation modulating
Materials
Valve body, covering flange CC491K, low-lead amount to DIN 50930, part 6
Seat / plug CrNi steel
Valve stem seal EPDM (O-ring)
Dimensions / weight Dimensions refer to «Dimensions»
Weight refer to «Dimensions»
Pipe connections
Fittings bronze / brass