Data Sheet for Product

Technical Instructions M3FB…LX… Series Modulating Control Valve
Document Number CA2N4721E-P25 for Hot Gas Control
December 4, 2019
Page 6 Siemens Industry, Inc.
Specifications,
Continued
Product Specific Data
Permissible operating pressure p
e
max Maximum 623 psi (43 bar)
Pressure differential p
v
max AB → A See Table 1
AB → B 116 psi (8 bar)
Leakage (at 14.5 psi [1 bar]) AB → A Max. 0.05% C
V
AB → B Max. 0.5% kCv
Permissible media Organic safety refrigerants (R22,
R134a, R404a, R40TC, R410A, R507,
and so on). Not suitable for ammonia
(R717) or flammable refrigerants.
Temperature of medium -40°F to 248°F (-40°C to 120°C)
Valve characteristic (stroke, kv) Linear, optimized in low opening range
Resolution H / H100 >1 : 200 (H = stroke)
Type of operation Modulating
Position when de-energized AB → A closed
Orientation Any
Positioning time <1 second
Pipe connections Internally soldered
Materials (Valve Body)
Housing components Steel and CrNi steel
Seat/inner valve Brass/CrNi steel
Pipe connections CrNi steel
General Ambient
Conditions
Ambient temperature -13°F to 131°F (–25°C to 55°C)
Humidity 10 to 100% rh
Safety
Conformity Meets the requirements for CE
marking.
Connection
Terminals
WARNING : ZM.../A module used with 0 to 20V phase cut signals:
• Do not connect 24 Vac to Terminals 1 and 2.
• Connect Terminal 5, (marked " – ") to Terminal 2 on type
NKOA terminal modules.
ZM101/A (0 to 10 Vdc or 0 to 20V phase cut)
ZM121/A (4 to 20 mA or 0 to 20V phase cut)
Figure 4. Connection Terminals.