Instruction Manual
D200160X012
4195K Controllers
July 2018
9
Section 2 Installation
WARNING
To avoid personal injury or property damage resulting from the sudden release of pressure:
D
Always wear protective clothing, gloves, and eyewear when performing any installation operations.
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Personal injury or property damage may result from fire or explosion if natural gas is used as the supply medium and
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 14.
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Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
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If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section of this
instruction manual.
CAUTION
Do not use sealing tape on pneumatic connections. This instrument contains small passages that may become obstructed
by detached sealing tape. Thread sealant paste should be used to seal and lubricate pneumatic threaded connections.
Controller Mounting Orientation
Mount the controller with the housing vertical, as shown in figure 2‐1, so the vent points down.
MOUNTING PLATE
FISHER 657 ACTUATOR
4195K
CONTROLLER
67CFR
FILTER
REGULATOR
W8462-1
Figure 2‐1. Typical Actuator Mounting