User Manual

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Siemens Modulating pilot valve, PN 32 CA2N4731en
Building Technologies 2018-02-06
Technical data
Functional actuator data
Power supply
Extra low-voltage only (SELV, PELV)
Operating voltage
1)
AC 24 V + 15 % / -10 %
Frequency
50…60 Hz
Typical power consumption P
med
5 W
Rated apparent power S
NA
13 VA
Required fuse I
F
1 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
Signal inputs
Positioning signal
ZM101/A DC 0…10 V or DC 0…20 V Phs
ZM121/A DC 4…20 mA or DC 0…20 V Phs
ZM111 DC 0…20 V Phs
Input resistance
DC 0…10 V > 100 kς
Input resistance
DC 4…20 mA < 150 ς
Positioning time
Positioning time approx. 1 s
Electrical connections
Cable entry
2 x Pg11 (ZM101/A, ZM121/A)
Connection terminals max. 4 mm
2
wire cross-section
Min. wire cross-section 0.75 mm
2
Functional data valve
Permissible operating pressure 3.2 MPa (32 bar)
Max. differential pressure Χp
max
1⇓ 3 1.8 MPa (18 bar)
Leakage at ∆p = 100 kPa (1 bar) 1 ⇓ 3 approx. 0.25 % k
vs
(to VDI/VDE 2174)
Valve characteristic linear (to VDI / VDE 2173)
Permissible media for safety refrigerants (R22‚ R134a‚
R404A‚ R407C‚ R507 etc.), ammonia
(R717)
Medium temperature
-40...100 °C
Position when de-energized Valve stem retracted (valve control path
closed)
Orientation any
Mode of operation modulating
Materials
Body steel
Seat / inner valve CrNi steel
Dimensions and weight
Dimension
s refer to «Dimensions»
Weight
1.64 kg (including packaging)
Connection to main valve
Threaded connection M24 x 1.5 mm
Norms and directives
EElectromagnetic compatibility
(Application)
For residential, commercial and industrial
environments
PProd
uct standard EN 60730-x
EEU Conformity (CE)
CA2T4731xx
2)
EAC conformity Eurasia conformity
Electrical safety EN 60730-1
Housing protection Upright to horizontal IP54 to EN 60529
1)
No operating voltage is required for the DC 0…20 V Phs power positioning signal.
2)
The documents can be downloaded from http://siemens.com/bt/download
S
NA
= Rated apparent power for transformer selection
P
med
= Typical power consumption