Instruction Manual
D200160X012
4195K Controllers
July 2018
71
4. For controllers with anti‐reset windup (suffix letter F), remove the relief valve tubing assembly (key 44) from the
reset restriction valve.
5. Remove the screw (key 162) that fastens the reset restriction valve to the frame.
6. Install the replacement reset restriction valve and secure it with the screw removed in step 5.
7. Install the reset valve tubing assembly (key 42), the reset tubing assembly (key 43), and for controllers with
anti‐reset windup, the relief tubing assembly (key 44). Tighten all connections.
8. Set the reset adjustment to 0.01 minutes per repeat.
9. Apply the proper supply pressure to the controller, cap the nozzle and check for leaks. Remove the supply pressure.
10. Position the controller assembly in the case and start, but do not tighten the nine mounting screws. Slide the
controller assembly down to assure an O‐ring seal at the pressure connections along the bottom of the case. Hold
the controller assembly in place while tightening the nine mounting screws.
11. Perform the controller calibration procedures and, if necessary, the appropriate remote set point calibration
12. Mount the controller as described in the Installation section.
13. Connect the external piping to the controller.
Replacing the Rate/Reset Valve Assembly (4195KC Controllers)
WARNING
Refer to the Maintenance WARNING on page 51.
Note
Read this entire procedure before removing any parts. Refer to the 4195KC portion of figure 7‐1 for key number locations.
procedure.
2. Remove the two machine screws (key 71) on the side of the rate/reset valve assembly (key 262).
3. Gently pull the rate tubing assembly away from the rate/reset assembly and, remove the gasket (key 5) from the
side of the rate/reset assembly.
4. Unscrew the nut holding the reset tubing assembly (key 43) into the rate/reset valve assembly.
5. Unscrew the nut holding the proportional tubing assembly (key 40) into the rate/reset assembly.
6. For controllers with anti‐reset windup (suffix letter F), unscrew the nut holding the relief tubing assembly (key 44)
into the rate/reset assembly.
7. While holding the rate/reset valve assembly, remove the machine screw (key 162) from the frame.
8. Remove the rate/reset valve assembly from the frame.
9. Inspect and, if necessary, replace the gasket (key 5).
10. To install the replacement rate/reset valve assembly, position the assembly on the frame (key 3) and secure it with
the mounting screw (key 162).
11. Position the gasket (key 5) on the rate/reset valve assembly. Hold the gasket in place while installing the rate tubing
assembly (key 137) on the valve assembly using the two machine screws (key 71).
12. Insert the reset tubing assembly (key 43) into the rate/reset valve assembly and tighten the nut.
13. Insert the proportional tubing assembly (key 40) into the rate/reset valve assembly and tighten the nut.