Keypad Lockout Control; Installer's Lockout Enable; Installer's Lockout Disable; Guidelines For Locating Smoke Detectors - DSC PC155O Installation Manual

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[36] Keypad Lockout Control

Program two 2-digit numbers in this section.
The first entry determines how many invalid codes may be entered before
the keypad is locked out and will not accept any further entries. Program
a number from 00 to 99; 00 disables the keypad lockout function.
The second entry determines how long, in minutes, the keypad will
be locked out once the programmed number of invlaid codes are
entered. Program a time from 00 to 99 minutes.

[90] Installer's Lockout Enable

This feature is enabled by entering [90] while in the installer's programming
mode. A factory default (hardware or software) will not reset the installer's
code or the download access code once this feature is enabled. A panel
that has this feature enabled will give a distinct audible indication upon
power-up. This indication is the phone line relay clicking 10 times. Make
sure that your new installer's code has been entered correctly before
enabling this feature because there is no way of re-entering the programming
mode without the new installer's code. Remember that even a reset to the
factory default will not change the installer's code back to the default.
NOTE: Panels returned to DSC with the installer's lockout feature
enabled and no other apparent problems will be subject to an additional
service charge.

[91] Installer's Lockout Disable

Entering [91] when in the installer's programming mode will disable the
installer's lockout feature.
Guidelines for Locating
Smoke Detectors
Experience has shown that all hostile fires in residential units generate
smoke to a greater or lesser extent. Experiments using typical fires in
residential units indicate that detectable quantities of smoke precede
detectable levels of heat in most cases. For these reasons, smoke
detectors should be installed outside of each sleeping area and on
each additional story of the dwelling.
The following information is for general guidance only. The smoke
detector manufacturer's literature should be consulted for detailed
installation instructions.
On smooth ceilings, detectors may be spaced 9.1m (30 feet) apart as
a guide. Other spacing may be required depending on ceiling height,
air movement, the presence of joists, uninsulated ceilings, etc. Consult
National Fire Alarm Code NFPA 72, CAN/ULS-S553-M86 or other
appropriate national standards for installation recommendations.
• Do not locate smoke detectors at the top of peaked or gabled
ceilings; the dead air space in these locations may prevent the unit
from detecting smoke.
• Avoid areas with turbulent air flow, such as near doors, fans or
windows. Rapid air movement around the detector may prevent
smoke from entering the unit.
• Do not locate detectors in areas of high humidity.
• Do not locate detectors in areas where the temperature rises above
38
o
C (100
o
F) or falls below 5
o
C (41
o
F).
Smoke detectors should always be installed in accordance with NFPA
72, the National Fire Alarm Code. Smoke detectors should always be
located in accordance with:
• Paragraph 2-2.1.1.1 of NFPA 72: "Smoke detectors shall be installed
outside of each separate sleeping area in the immediate vicinity of the
bedrooms and on each additional story of the family living unit,
including basements and excluding crawl spaces and unfinished
attics. In new construction, a smoke detector also shall be installed in
each sleeping room."
• Paragraph 2-2.1.1.2 of NFPA 72: "Split level arrangement. Smoke
detectors are required where shown. Smoke detectors are optional
where a door is not provided between living room and recreation room."
13

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