Data Sheet for Product
Technical Instructions M3PFY..Series Modulating Control Valve
Document No. CA1N4454E-P25 ANSI 125 (PN 16) with Magnetic Actuator
January 17, 2003
Page 6 Siemens Building Technologies, Inc.
Wiring Diagrams,
Continued
1
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SVAL0087R1
Figure 6. Wiring Diagram with 4 to 20 mA Output Controllers.
Application
Examples
The hydraulic circuits shown here are schematic diagrams only, without installation-
specific details.
WARNING:
The valve is suitable for straight-through or three-way applications and
can only be installed in a mixing arrangement.
2
1
B
3
2
1
A
1
2
3
C
D E
3
10
(min. 1.6 FT)
x LINE SIZE
3
2
1
1
3
Sval0018R1
A Mixing circuit
B Mixing circuit with bypass (under-floor heating)
C Injection circuit
D Diverting circuit
E Injection circuit with straight-through valve
Figure 7. Circuit Schematic Diagrams.
Service
CAUTION:
Do not disassemble the valve and actuator combination. This assembly is
factory-calibrated, and should only be replaced by qualified personnel.