UL 1641-2015 pdf download
UL 1641-2015 pdf download.Installation and Classification of Residential Burglar Alarm Systems.
15.3 Motion detection units
15.3.1 A motion detection unit shall respond. within four steps, to a person walking through the covered area at the rate of one 24-inch (610-mm) step per second.
15.4 Sound and vibration units
15.4.1 If a sound or vibration unit is used to protect an opening, the opening. if movable, shall also be protected by a contact.
16 Shunts
16.1 Contacts or intrusion detection devices may be shunted by an onioff switch to permit portions of the alarm to be deactivated while the occupant is at home to allow freedom of movement.
16.2 To permit exit or entry when the system has been activated, the alarm protection may be temporarily shunted by means of a key- or code-operated device or a timer.
163 The removal of a key- or code-operated shunting device located outside of the protected area shall initiate an alarm.
17 Control Unit
17.1 The residential control unit shall be located within the protected area.
18 General
18.1 An opening 12 feet (3.7 m) or less above a roof or any accessible horizontal supporting surface is accessible if this supporting surface is at least 4 feet (1.2 m) wide.
18.2 If an opening or ledge is separated from a second opening or ledge by a distance 0112 feet (3.7 m) or less, and the second opening or ledge is accessible, the original opening or ledge is also considered accessible under the following conditions:
a) A line between openings or ledges in adjacent walls on the same floor level forms a 45-degree angle with each wall (see Figure 18.1):
b) A line between openings or ledges in opposite walls but on the same floor level forms an angle of 90 degrees. consisting of 45 degrees to the left and 45 degrees to the right (see Figure 18.2):
C) A line between openings or ledges in opposite walls that are directly above or below one another forms a 150-degree angle, consisting of 75 degrees above and 75 degrees below (see Figure 18.3); and
d) Openings on the same wall above a ledge that is between 3 feet and 3 feet, 11 inches (0.9 and 1.2 m) wide (see Figure 18.4).
MAINTENANCE AND SERVICE 19 General
19.1 Installations shall be maintained by the alarm service company under provisions of a service contact or agreement.
19.2 Each installation shall have a maintenance inspection at least once a year by a representative of the alarm service company. A reco’d of the inspection shall be kept in the alarm service company’s file. The regular maintenance inspection may be done in parts throughout the year.
19.3 The alarm company shall provide the subscnber to the alarm service with wntlen instructions on how to contact the company for service, The method of communication shall allow the subscriber to promptly report trouble conditions.
19.4 Repairs to a residential burglar alarm system shall begin within 24 hours after the receipt of the request for service. The maximum range of travel (driving time) from the alarm service company’s main business location or service center to an alarm system installation shall not exceed 6 hours in a land-based vehicle.
Exception: The beginning of repair service may be extended to a time specified by the subscriber if the subscriber to the alarm service provides written or oral authorization. Authorization shall be given to aiarm service company personnel when the subscriber makes the decision to delay service. If authorization is given, the alarm service company shall make a record of the:
a) Time and date of the authorization:
b) Name of the person giving the authorization: and
C) The name and address of the residence receiving alarm service.
19.5 The alarm service company shall maintain a means of receiving requests for service at all times, and keep a record of the time and date that:
a) A request for service is received;
b) Service begins; and
C) The repairs are completed.
A request for service shall be received directly by alarm service company personnel, or shall be received by a method that will result in responsible alarm service company personnel receiving the request for service, and service shall begin within the time interval indicated in.
19.6 If the installation and maintenance of remote alarm receiving equmen1 is the responsibility of another company, this company shall be a qualified alarm company. See. There shall be an agreement between the two companies that provides for the same maintenance and service as would be provided if one company were responsible for the entire system.
