Product Overview

Technical Instructions MVF461H Series Modulating Control Valve
Document Number 125-4361 with Magnetic Actuator
June 17, 2008
Page 8 Siemens Building Technologies, Inc.
Specifications,
Continued
Agency approvals
Degree of protection IP31 to IEC 529
Canadian registration number 0C12337.5
Conforms to CE requirements
UL 873
Certified to Canadian standard C22.2
No. 24
C-Tick N-474
PED 97/23/EC:
pressure-carrying parts
Par. 1, section. 2.1.4/Par. 3, section 3
Fluid group 2
Miscellaneous Weight See Figure 15
Dimensions See Figure 15
Connection
Terminals
WARNING:
If the controller and the valve receive their power supply from separate
sources, the valve transformer must not be grounded on the secondary
side.
A four-wire connection is mandatory with DC power supply.
Controllers with:
0 to 10 Vdc
2 to 10 Vdc
0 to 20 mA
4 to 20 mA
SSEN0346R1
G0
G
F
Controller
Transformer
AC/DC 24 V Operating voltage
U
U
Z
G0
G
Y
M
0 to 10Vdc / 2 to 10Vdc
0 to 20 mA / 4 to 20 mA
Y
M
0 to 10Vdc / 2 to 10Vdc
0 to 20 mA / 4 to 20 mA
System neutral (SN)
Control signal
System potential (SP)
Measuring neutral (= G0)
Positioning feedback signal
Override input
Figure 11.
Controllers with phase-cut
0 to 20 Vdc
SSEN0347R1
G0
G
F
Controller
Transformer
U
U
Z
G0
G
Y
M
0 to 20Vdc Phase-cut signal
AC/DC 24 V Operating voltage
0 to 10Vdc / 2 to 10Vdc
0 to 20 mA / 4 to 20 mA
0 to 10Vdc / 2 to 10Vdc
0 to 20 mA / 4 to 20 mA
System neutral (SN)
Control signal
System potential (SP)
Measuring neutral (= G0)
Positioning feedback signal
Override input
Figure 12.