Instruction Manual

Instruction Manual

D200160X012

4195K Controllers

December 2012

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.

D 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.

D Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

D If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section of this

instruction manual.

Controller Mounting Orientation

Mount the controller with the housing vertical, as shown in figure 2‐1, so the vent points down.

Figure 2‐1. Typical Actuator Mounting

MOUNTING

PLATE

FISHER 657 ACTUATOR

4195K

CONTROLLER

67CFR

FILTER

REGULATOR

W8462-1

Pipestand Mounting

Refer to figure 2‐2. Pipestand mounting parts are provided to mount the controller to a 2‐inch (nominal) pipe. Attach a

bracket (key 68) to the controller with cap screws (key 66) and lock washers (key 67). Attach two clamps (key 69) to

the bracket and fasten the controller to the pipe.