Unit installation
Smart Relay: SREL, SREL.ZK, SREL.ADV 
Page 4 
1.0 Important Information 
Safety remark: 
Caution! – Incorrect handling of the batteries and storage batteries used in this 
product can result in the risk of fire or burns. Do not charge, open or burn these 
batteries or heat them to more than 100 °C (212 °F). 
Installation of a SimonsVoss Smart Relay requires knowledge in the areas of door 
mechanics, door certifications, installation of electronics and the use of the 
SimonsVoss software. For this reason, only trained and authorised personnel should 
install the unit. 
SimonsVoss Technologies AG will not accept any liability for damages caused by 
incorrect installation. 
Incorrectly installed Smart Relays may block the access through a door. SimonsVoss 
AG is not liable for the consequences of incorrect installation, such as blocked access 
to injured or endangered persons, property damage or other damages. 
If you will be storing the Smart Relay for more than one week, remove the backup 
battery. 
The Smart Relay must be installed in compliance with ESD (electrostatic discharge) 
guidelines. In particular, contact with the printed circuit boards and the switching 
circuits integrated on them must be avoided. 
2.0 Product Description 
The SimonsVoss Smart Relay is an electronic switch that you can switch with a 
SimonsVoss transponder. You can use the SimonsVoss software to configure the 
authorisation for transponders that are permitted to operate the Smart Relay. As a 
result, the Smart Relay offers the full function of an access control reader. 










