Notes On Possible Personal Injury; Notes On Possible Property Damage - Samson 3725 Mounting And Operating Instructions

Safety instructions and measures

1.2 Notes on possible personal injury

WARNING
!
Risk of personal injury due to moving parts on the valve.
During initialization of the positioner and during operation, the actuator stem moves
through its entire travel range. Injury to hands or fingers is possible if they are inserted
into the valve.
Î During initialization, do not insert hands or fingers into the valve yoke and do not
touch any moving valve parts.

1.3 Notes on possible property damage

NOTICE
!
Risk of damage to the positioner due to incorrect mounting position.
Î Do not mount the positioner with the back of the device/vent opening facing upward.
Î Do not seal the vent opening when the device is installed on site.
Risk of malfunction due to incorrect sequence during start-up.
The positioner can only work properly if the mounting and start-up are performed in the
prescribed sequence.
Î Perform mounting and start-up as described in section 5 in page 26.
An incorrect electric signal will damage the positioner.
A current source must be used to provide the electrical power for the positioner.
Î Only use a current source and never a voltage source.
Incorrect assignment of the terminals will damage the positioner and will lead to mal-
function.
For the positioner to function properly, the prescribed terminal assignment must be ob-
served.
Î Connect the electrical wiring to the positioner according to the prescribed terminal
assignment.
10 EB 8394 EN