System Sensor B501AUS User manual

INSTALLATION AND MAINTENANCE INSTRUCTIONS
B501AUS Plug-in Detector Base
S
PECIFICATIONS
Base Diameter:
Base Height:
Operating Temperature:
4.0 inches (10.2cm)
0.74 inches (18.8 mm)
Refer to applicable sensor Operating Temperature Range using the Base/Sensor Cross Reference Chart at
t
Electrical Ratings
–
includes base and detector
Operating Voltage:
Standby Current: 15 to 32 VDC 150µA
BEFORE INSTALLING
Please read the System Smoke Detectors Application Guide, which provides
detailed information on detector spacing, placement, zoning, wiring, and spe-
cial applications. Copies of this application guide are available from Xi’an
System Sensor. NFPA 72 guidelines should be observed.
NOTICE: This manual should be left with the owner/user of this equipment.
IMPORTANT: The detector used with this base must be tested and main-
tained regularly following NFPA 72 requirements. The detector should be
cleaned at least once a year.
GENERAL DESCRIPTION
The B501AUS is a plug in detector base intended for use in an intelligent
system with screw terminals provided for power (+) and (–), and remote
annunciator connections. Communication takes place over the power (+) and
(–) lines.
BASE TERMINALS
For signal wiring (the wiring between interconnected detectors and modules),
it is recommended that the wiring be no smaller than 18 AWG (0.823 square
mm). Wire sizes up to 12 AWG (3.31 square mm) may be used with the
base.
Alarm system control panels have specifications for allowable loop
resistance. Consult the control panel specifications for the total loop
resistance allowed before wiring the detector loops.
Make wiring connections by stripping about 3/8 inch (10mm) of insulation
from the wire end (use strip gauge molded in base). Then slide the wire
under the clamping plate and tighten the clamping plate screw. Do not loop
the wire under the clamping plate. (see Figure 3)
Check the zone wiring of all bases in the system before installing the
detectors. This includes checking the wiring for continuity, correct polarity,
ground fault testing and performing a dielectric test.
The base includes an area for recording the zone, address, and type of
detector to be installed at that location. This information is useful for setting
the detector head address and for verification of the detector type required for
that location.
Once all detector bases have been wired and mounted, and the loop wiring
has been checked, the detector heads may be installed in the bases.
FIGURE 2. TYPICAL WIRING DIAGRAM FOR 2-WIRE LOOP:
No.
1
2
3
Function
Power (–), Remote Annunciator (–)
Power (+)
Remote Annunciator (+)
FIGURE 1. TERMINAL LAYOUT :
T
AMPER PROOF
TAB
TERMINAL
2
CAUTION: DO NOT LOOP WIRE
REMOTE
TERMINAL 1
TERMINAL 3 UNDER TERMINAL 1 OR 2.
ANNUNCI
A
T
OR BREAK WIRE RUN
T
O PROVIDE
+- SUPERVISION OF CONNECTIONS.
33
111
C0133-01
FIGURE 3.:
C0 13 1-0 1
MOUNTING
This detector base mounts directly to 4 inch square with plaster ring, 3.5 inch
octagon, single gang box, 50 mm, 60 mm, and 70 mm centers.
INSTALLATION AND WIRING GUIDELINES (SEE FIGURE 2)
All wiring must be installed in compliance with all applicable local codes and
any special requirements of the local authority having jurisdiction. Proper wire
gauges should be used. The conductors used to connect smoke detectors to
control panels and accessory devices should be color-coded to reduce the
likelihood of wiring errors. Improper connections can prevent a system from
responding properly in the event of a fire.
C0473-00
UL LISTED COMPATIBLE
CONTROL PANEL
2
(+)
22
3
(–)
(–) CLASS A OPTIONAL WIRING
(+)

TAMPER-RESIST FEATURE
NOTE: Do not use the tamper-resist feature if the removal tool is to be used.
The detector base includes a tamper-resist feature that prevents removal of
the detector without using a small screwdriver or similar tool.
To activate this feature, use needle-nose pliers to break the tab on the
detector base as shown in Figure 4A. Then, install the detector.
To remove the detector from the base once the tamper-resist feature has
been activated, insert a small-bladed screwdriver into the small hole on the
side of the base and push the plastic lever away from the detector head (see
Figure 4B). This allows the detector to be rotated counterclockwise for
removal.
The tamper-resist feature can be defeated by breaking and removing the
plas- tic lever from the base. However, this prevents the feature from being
used again.
FIGURE 4A. ACTIVATING TAMPER-RESIST FEATURE:
BREAK TAB AT DOTTED LINE B
Y
FIGURE 5. CONNECTION TO REMOTE ANNUNCIATOR TERMINAL:
STRIPPED WIRE
WIRE WITH S
P
ADE LUG
C0116-00
PLASTIC LEVER TWISTING TOWARD CENTER OF
BASE
C0 132-00
FIGURE 4B. REMOVING DETECTOR HEAD FROM BASE:
USE SMALL-BLADED SCREWDRIVER TO PRESS
PLASTIC LEVER IN DIRECTION OF A RROW
C0132-01
REMOTE ANNUNCIATOR (RA400Z/RA100Z)
The remote annunciator is connected between terminals 1 and 3 using the
spade lug terminal packed with the remote annunciator. The spade lug
terminal is connected to the base terminal as shown in Figure 5.
It is not acceptable to have three stripped wires under the same wiring termi-
nal unless they are separated by a washer or equivalent means. The spade
lug supplied with the model RA400Z/RA100Z is considered an equivalent
means. See Figure 2 for proper installation.