Smart Positioner
YT-2500 / 2550 / 2501 Series
Product manual
Ver. 1.04
18
3. Installation
3.1
Safety
When installing a positioner, please ensure to read and follow safety instructions.
Any input or supply pressures to valve, actuator, and / or to other related devices must
be turned off.
Use bypass valve or other supportive equipment to avoid entire system
“shut down”.
Ensure there is no remaining pressure in the actuator.
3.2
Tools for installation
Hex key set for hex socket cap bolts
Screw drivers (+) & (-)
Spanners for hex head bolts
3.3
Linear positioner Installation
Linear positioner should be installed on linear motion valves such as globe or gate type
which uses spring return type diaphragm or piston actuators.
Fig. 3-1: YT-2500 / 2550L installation example
Fig. 3-2: YT-2501L installation example
Before proceeding with the installation, ensure following components are available.
Positioner
Linear feedback sensor (Only YT-2501)
Remote cable (Only YT-2501)
Feedback lever and lever spring
M6 nut and spring washer (fastening feedback lever to a main shaft)
Bracket, bolts and washers for positioner or sensor
– not supplied with the positioner
Connection bar
– not supplied with the positioner
