Airflow monitor SL5105 1 Preliminary note You will find instructions, technical data, approvals and further information using the QR code on the unit / packaging or at www.ifm.com. 1.1 Symbols used Requirement Instructions Reaction, result [...] Designation of keys, buttons or indications...
SL5105 Airflow monitor 2 Safety instructions • The unit described is a subcomponent for integration into a system. – The system architect is responsible for the safety of the system. – The system architect undertakes to perform a risk assessment and to create documentation in accordance with legal and normative requirements to be provided to the operator and user of the system.
• Normally open: relay energises. green • Normally closed: relay de-energises. below the set value • Normally open: relay de-energises. • Normally closed: relay energises. *Information on the unit type (NO or NC) Ò Technical data at http://documentation.ifm.com.
Airflow monitor SL5105 5 Installation u Drill a hole with a diameter of 24 mm in the pipe. u Mount the unit using the supplied mounting clamp: • Use the supplied seal for a hermetically sealed installation. • The sensor head must protrude completely into the airflow and should be in the area of the highest flow velocity.
SL5105 Airflow monitor 6 Electrical connection The unit must be connected by a qualified electrician. Observe the national and international regulations for the installation of electrical equipment. Voltage supply according to SELV, PELV. The design of the unit complies with protection class II.
Airflow monitor SL5105 7 Settings LEDs setting potentiometer sensitivity Fig. 5: Operating and display elements Flow adjustment for setting the switching point: u Switch on the power supply. u Let the normal flow circulate in the installation and keep it constant. u Continue with step 1 or 2.