Manual ELW 170 / ELW 180
May 2020
page 1
ENGELAIR
®
AIR FLOW MONITORING
Monitors types ELW 170 and ELW 180
for electric air heaters
in air conditioning and ventilating systems
Notes relating to instructions
Please read these operating instructions carefully and note the relevant country-specific standards, safety
requirements and accident prevention specifications. The mounting instructions form part of the device and
must be retained for its entire life.
Dissemination and reproduction of this document, exploitation and communication of its content are
prohibited unless expressly permitted. We will claim compensation for damages in the event of infringements.
All rights reserved for patents, utility models or registered design.
The following warning notices are used in these instructions:
Immediate danger from electrical voltage and current
Failure to heed the information indicated by this symbol may lead to dangerous conditions,
possibly resulting in death or serious bodily injuries.
Possible danger
Failure to heed the information indicated by this symbol may lead to dangerous conditions,
possibly resulting in minor or light bodily injuries and/or substantial property damage.
1. Safety information
Mounting, electric installation, start-up and maintenance of the airflow monitor may only be
undertaken by a qualified electrician. The directions provided in these instructions must be
understood, noted and followed. The electrician is responsible for correctly connecting the
device in accordance with the electric wiring diagrams. The device requires no maintenance.