Instruction Manual
D103409X012
Installation
May 2013
27
Figure 2‐21. Pressure Connections
WIRING TERMINAL BOX
OUTPUT A CONNECTION
SUPPLY
CONNECTION
OUTPUT B
CONNECTION
W9615
VALVE MOUNTED UNIT
DVC6205 BASE UNIT
FEEDBACK
CONNECTIONS
TERMINAL BOX
LOOP CONNECTIONS
TERMINAL BOX
1/2 NPT
X0379
Supply
WARNING
To avoid personal injury or property damage resulting from bursting of parts, do not exceed maximum supply pressure.
Personal injury or property damage may result from fire or explosion if natural gas is used as the supply medium and
appropriate preventive measures are not taken. Preventive measures may include, but are not limited to, one or more of
the following: Remote venting of the unit, re‐evaluating the hazardous area classification, ensuring adequate ventilation,
and the removal of any ignition sources. For information on remote venting of this controller, refer to page 30.
Severe personal injury or property damage may occur from an uncontrolled process if the instrument supply medium is not
clean, dry, oil‐free, and noncorrosive. While use and regular maintenance of a filter that removes particles larger than 40
micrometers in diameter will suffice in most applications, check with an Emerson Process Management field office and
industry instrument air quality standards for use with corrosive air or if you are unsure about the amount of air filtration or
filter maintenance.
WARNING
When using natural gas as the supply medium, or for explosion proof applications, the following warnings also apply:
D Remove electrical power before removing the housing cap. Personal injury or property damage from fire or explosion
may result if power is not disconnected before removing the cap.
D Remove electrical power before disconnecting any of the pneumatic connections.
D When disconnecting any of the pneumatic connections or any pressure retaining part, natural gas will seep from the
unit and any connected equipment into the surrounding atmosphere. Personal injury or property damage may result
from fire or explosion if natural gas is used as the supply medium and appropriate preventive measures are not taken.
Preventive measures may include, but are not limited to, one or more of the following: ensuring adequate ventilation
and the removal of any ignition sources.
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