System Sensor B501 Manuale utente
D550-02-00 1 I56-357-06R
B501 Plug-in Detector Base
INSTALLATION AND MAINTENANCE INSTRUCTIONS
3825 Ohio Avenue
St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
Before Installing
Please thoroughly read the System Sensor manual, System
Smoke Detectors Application Guide, which provides detailed
information on detector spacing, placement, zoning, wiring,
and special applications. Copies of this manual are available
at no charge from System Sensor.
General Description
The B501 is a plug in detector base intended for use in an
intelligent system with screw terminals provided for power
(+) and (–), and remote annunciator connections. The
communication takes place over the power (+) and (–)
lines.
Base Terminals
No. Function
1Power (–), Remote Annunciator (–)
2Power (+)
3Remote Annunciator (+)
3
SHEILD
2(+)
1(–)
BASE
TERMINALS
TAMPER PROOF
TAB
Figure 1. Terminal layout:
Specifications
Diameter: 4.0 inches (10.2cm)
Mounting: 50mm, 60mm, and 70mm centers
Electrical Ratings – includes base and detector
Voltage Range: 15-32 VDC
Standby Current (nominal): 150µA at 24 VDC
Power-Up Surge at
Maximum Rated Voltage: 1.5mA–Sec.
LED Current (nominal): 6mA at 24 VDC
Operating Temperature Range: 32° to 150°F (0° to 66°C)
C0131-00
D550-02-00 2 I56-357-06R
Wiring Installation Guidelines (See Figure 2)
All wiring must be installed in compliance with the
National Electrical Code and the local authority having
jurisdiction. Proper wire gauges should be used. The con-
ductors used to connect the smoke detectors to control
panels and accessory devices should be color-coded to pre-
vent wiring mistakes. Improper connections can prevent a
system form responding properly in the event of a fire.
For signal wiring (the wiring between interconnected
detectors and modules), it is recommended that the wiring
be no smaller than 18 gauge (1.0 square mm). Wire sizes
up to 12 gauge wire (2.5 square mm) may be used with the
base. For best system performance, the power (+) and (–)
loop wires should be twisted pair or shielded cable
installed in separate grounded conduit to protect the loop
from extraneous electrical interference. If a cable shield is
provided, the shield connection to and from the base must
be continuous by using wire nuts, crimping, or soldering as
appropriate for a reliable connection.
32
1
32
1
32
1
+
-
-
+
UL LISTED COMPATIBLE
CONTROL PANEL
CLASS A OPTIONAL WIRING
REMOTE ANNUNCIATOR
+-
Figure 2. Typical wiring diagram for 2-wire loop:
Wire Connections are made by simply stripping about 3⁄8”
of insulation from the end of the wire (use strip gauge
molded in base), sliding the bare end of the wire under the
clamping plate and tightening the clamping plate screw. Do
not loop the wire under the clamping plate.
The zone wiring of the detector base should be checked
before the detector heads are installed in them. The wiring
should be checked for continuity, polarity in the base, and
dielectric tests.
The base contains a label to write the zone, address, and
type of detector to be installed at that location. This infor-
mation is used to set the address of the detector head that
will later be plugged into the base and to verify the type
required for that location.
C0133-00
CAUTION: Do not loop wire under terminal 1 or 2.
Break wire run to provide supervision of connections.
D550-02-00 3 I56-357-06R
STRIPPED WIRE
WIRE WITH
SPADE LUG
Figure 4. Connection to remote annunciator terminal:
Figure 3A. Activating tamperproof feature: Figure 3B. Removing detector head from base:
Tamperproof Feature
NOTE: Do Not use the tamper-resistant capability if the
XR2 or XR2B Removal Tool will be used. This detector
base also includes an optional tamperproof feature that
when activated prevents removal of the detector without
the use of a tool.
To activate this feature, simply break off the tab on the
detector base shown in Figure 3A, and install the detector.
To remove the detector from the base once the tamperproof
feature has been activated, place a small-bladed screwdriv-
er into the small hole on the side of the base and push the
plastic lever away from the detector head (see Figure 3B).
This will allow the detector to be rotated counterclockwise
for removal.
The tamperproof feature may be defeated by breaking and
removing the plastic lever from the base, however this pre-
vents ever using the feature again.
Remote Annunciator (RA400)
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 4.
It is not acceptable to have three stripped wires under the
same wiring terminal unless they are separated by a wash-
er or equivalent means. The spade lug supplied with the
model RA400 is considered an equivalent means. See
Figure 2 for proper installation.
C0116-00
C0132-00
PLASTIC LEVER BREAK TAB AT
DOTTED LINE BY
TWISTING TOWARD
CENTER OF BASE.
SCREWDRIVER TO
PRESS PLASTIC LEVER
IN DIRECTION OF
ARROW
D550-02-00 4 I56-357-06R
©2002 System Sensor
Three-Year Limited Warranty
System Sensor warrants its enclosed smoke detector base to be free from
defects in materials and workmanship under normal use and service for a
period of three years from date of manufacture. System Sensor makes no
other express warranty for this smoke detector base. No agent, represen-
tative, dealer, or employee of the Company has the authority to increase
or alter the obligations or limitations of this Warranty. The Company’s
obligation of this Warranty shall be limited to the repair or replacement of
any part of the smoke detector base which is found to be defective in
materials or workmanship under normal use and service during the three
year period commencing with the date of manufacture. After phoning
System Sensor’s toll free number 800-SENSOR2 (736-7672) for a Return
Authorization number, send defective units postage prepaid to: System
Sensor, Repair Department, RA #__________, 3825 Ohio Avenue, St.
Charles, IL 60174. Please include a note describing the malfunction and
suspected cause of failure. The Company shall not be obligated to repair or
replace units which are found to be defective because of damage, unrea-
sonable use, modifications, or alterations occurring after the date of man-
ufacture. In no case shall the Company be liable for any consequential or
incidental damages for breach of this or any other Warranty, expressed or
implied whatsoever, even if the loss or damage is caused by the Company’s
negligence or fault. Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above limitation or exclusion
may not apply to you. This Warranty gives you specific legal rights, and
you may also have other rights which vary from state to state.
Please refer to insert for the Limitations of Fire Alarm Systems
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