Product Overview

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Siemens Modulating pilot valve, PN 32 CA2N4731en
Building Technologies 09.06.2010
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
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 kΩ
Input resistance DC 4…20 mA < 150 Ω
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 Δp
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
Dimensions refer to «Dimensions»
Weight 1.64 kg (including packaging)
Connection to main valve
Threaded connection M24 x 1.5 mm
Norms and Standards
CE conformity
to EMV-requirements 2004/108/EC
Immunity EN 61000-6-2:[2005] Industrial
3)
Emission EN 61000-6-3:[2007] Residential
3)
Electrical safety EN 60730-1
Housing protection Upright to horizontal IP54 to EN 60529
Environmental compatibility ISO 14001 (Environment)
ISO 9001 (Quality)
SN 36350 (Environmentally compatible
products)
RL 2002/95/EC (RoHS)
1)
No operating voltage is required for the DC 0…20 V Phs power positioning signal.
3)
Transformer 160 VA (e.g. Siemens 4AM 3842-TN00-0EA0)
S
NA
= Rated apparent power for transformer selection
P
med
= Typical power consumption
General
environmental conditions
Operation
EN 60721-3-3
Transport
EN 60721-3-2
Storage
EN 60721-3-1
Climatic conditions
Class 3K6 Class 2K3 Class 1K3
Temperature
-40…50 °C –25...70 °C –5...45 °C
Humidity
10...100 % r. h. < 95 % r. h. 5...95 % r. h.