Instruction manual for Rotech limit switch boxes type PPFF25, including installation and adjustment methods.
This document is an instruction manual for the Rotech PPFF25... limit switch boxes, which are signal devices designed to report and control the position of valves operated by pneumatic actuators. The manual covers assembly procedures, including mounting the box on actuators or valves using enclosed parts, and adapting the control unit via wiring.
These signal devices are used to report and control the position of valves operated by pneumatic actuators.
The switch-point close is set at 0° to 3°, and the switch-point open is set at 87° to 90°.
Seals should be exchanged immediately if damaged, or at least after five years.