Bosch Access Modular Controller 2, Installation Manual

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36 en | UL requirements Access Modular Controller 2
2021-04 | V04 | IM
Installation manual
Bosch Security Systems B.V.
– Wiring methods shall be in accordance with the National Electrical Code (ANSI/NFPA70 -
Articles 725 and 800), local codes, and the Authority Having Jurisdiction (AHJ).
– All interconnecting devices and wiring must be UL listed and or/recognized.
– The minimum wire size used for connecting external devices shall be at least 26 AWG,
depending on the electrical power consumption.
– Products are not intended to be installed or mounted in air-handling spaces.
– To detect the four states of the input, the voltage drop in the connecting cable may not
exceed special values. For UL installations only the RS = 2k2 and RP = 2k2 End-of-Line
resistors may be used.
The supply line transient protection complying with the Standard for Transient Voltage Surge
Suppressors, UL 1449, with a maximum marked rating of 330 V must be used in conjunction
with the Host Management System.
The signal line transient protection complying with the requirements for the Standard for
Protectors for Data Communication and Fire Alarm Circuits, UL 497B, with the maximum
marked rating of 50 V.
The communication circuits and network components connected to the telecommunications
network shall be protected by secondary protectors for communication circuits. These
protectors shall comply with the Standard for Secondary Protectors For Communication
Circuits, UL 497A. These protectors shall be used only in the protected side of the
telecommunications network.
The equipment should be installed in a temperature controlled environment. A temperature
controlled environment is defined as one that can be maintained between 13 - 35° C (55 - 95°
F) by the HVAC system. Twenty-four hours of standby power shall be provided for the HVAC
system. The standby power system for the HVAC system may be supplied by an engine driven
generator alone. A standby battery is not required to be used.
For UL compliance, use only UL Listed readers.