System Sensor B224BI-WH, B224BI-IV Installation And Maintenance Instructions Manual
INSTALLATION AND MAINTENANCE INSTRUCTIONS
CAUTION
LISTED COMPATIBLE CONTROL PANEL
1
2
MOUNTING
I56-3736-005
B224BI-WH, B224BI-IV
3825 Ohio Avenue, St. Charles, Illinois 60174
1.800.SENSOR2; Fax: 630.377.6495
Plug-in Isolator Detector Base
www.systemsensor.com
SPECIFICATIONS
Base Diameter: 6.85 in (17.4 cm)
Base Height: 1.61 in (4.1 cm)
Operating Temperature Range: Refer to applicable sensor Operating Temperature Range using the Base/Sensor Cross Reference Chart at systemsensor.com
Operating Humidity Range: 10% to 93% Relative Humidity (Non-condensing)
Electrical Ratings
Operating Voltage: 15 to 32 VDC
Standby Current: 450 µA Maximum
Isolation Current: 15 mA Maximum
BEFORE INSTALLING
Please read the System Smoke Detector Applications Guide, which provides
detailed information on detector spacing, placement, zoning, wiring, and special applications. This manual is available online at www.systemsensor.com.
NFPA 72 guidelines should be observed.
4. Then, swing the base into position to engage the pins on the product with
the terminals on the mounting plate.
5. Secure the base by tightening the mounting screws.
6. Install a compatible smoke detector as described in the installation manual
for the detector.
NOTICE: This manual should be left with the owner/user of this equipment.
IMPORTANT: The detectors used with these bases must be tested and main-
tained following NFPA 72 requirements. The detectors used with these bases
should be cleaned at least once a year.
GENERAL INFORMATION
The B224BI-WH and B224BI-IV isolator bases intended for use in an intelligent system. Isolator bases prevent an entire communications loop from being
disabled when a short circuit occurs. They accomplish this by isolating that
part of the loop containing the short from the remainder of the circuit. These
bases also automatically restore the entire loop when the cause of the short
circuit is corrected. In general, up to 25 addressable devices may be isolated
between isolator bases.
MOUNTING
Mount the mounting plate directly to an electrical box. The plate will
mount directly to 4" square (with and without plaster ring), 4" octagon,
31/2" octagon, single gang and double gang junction boxes.
1. Connect field wiring to terminals, as shown in Figure 3 and 4.
2. Attach the mounting plate to the junction box as shown in Figure 2.
3. To mount the base, hook the tab on the base to the groove on the mounting plate.
Do not over tighten mounting plate screws; this may cause mounting plate
to flex.
INSTALLATION GUIDELINES
All wiring must be installed in compliance with all applicable local codes and
any special requirements of the local authority having jurisdiction, using the
proper wire sizes. 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.
For signal wiring (the wiring between interconnected detectors), it is recommended that the wire be no smaller than 18 AWG (0.823 mm2). However, wire
sizes up to 12 AWG (3.31 mm2) can 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.
Check the zone wiring of all bases in the system before installing detectors.
This includes checking the wiring for continuity, correct polarity, ground fault
testing, and performing a dielectric test.
FIGURE 1.
TERMINAL DESIGNATION
3
FIGURE 2. MOUNTING BASE TO
ELECTRICAL BOX
SCREWS
(NOT SUPPLIED)
FIGURE 3.
1 - COMM IN (+)
2 - COMM IN (–)
3 - COMM OUT (+)
2 - COMM OUT (–)
(+)
(+)
(–)
(–)
OTHER
INTELLIGENT
DEVICES
C0471-05
B224BI-WH/B224BI-IV
TERMINALS
No. Function
1. Positive (+) Comm. Line In
2. Negative (–) Comm. Line In
and Out
3. Positive (+) Comm. Line Out
1 I56-3736-005
02/01/2018
PLATE
BOX
(NOT SUPPLIED)
C1008-01
CLASS A OPTIONAL WIRING
C1003-01
GROUP 1
FIGURE 4. WIRING DIAGRAM
SLOT
GROUP 2
1 (+)
2 (–)
(–)
(+)
COMPATIBLE
CONTROL PANEL
2 (–)
1 (+)
2 (–)
3 (+)
2 (–)
3 (+)
(–)
(+)
GROUPS OF ADDRESSABLE DEVICES ARE
SEPERATED BY FAULT ISOLATOR BASES. ANY
COMBINATION OF COMPATIBLE LISTED DEVICES
MAY BE MIXED WITHIN A GROUP
(–)
(+)
A PAIR OF FAULT ISOLATOR BASES WILL
DISCONNECT A GROUP OF DEVICES IF A
SHORT CIRCUIT OCCURS ON THE SIGNALING
LINE CIRCUIT WITHIN THAT GROUP.
(–)
(+)
(–)
GROUP 3
WIRING INSTRUCTIONS
Make wiring connections by stripping about 3/8" (10 mm) of insulation from
the wire end. Then, insert the wire into the appropriate terminal and tighten
the screw. Wire the communication line in (+) to terminal 1. Insert both
communication line in (–) and communication line out (–) to terminal 2. Wire
communication line out (+) to terminal 3 (see Figures 3 and 4).
A label is affixed to the base for recording the zone, address, and type of
detector being installed at the base location. This information is useful for setting the detector head address and for verification of the sensor 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.
TAMPER-RESIST FEATURE
NOTE: Do not use the tamper-resist feature if the removal tool is to be used.
This detector base includes a tamper-resist feature that prevents its removal
COMMUNICATION LINE
from the base without the use of a tool.
To activate this feature, break the tab from the detector base as shown in
Figure 5A. 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 slot from the top and
press down on the lever (see Figure 5B). This allows the detector to be rotated
counterclockwise for removal.
The tamper-resist feature can be defeated by breaking and removing the plastic lever from the base. However, this prevents the feature from being used
again.
1 (+)
2 (–)
(–)
(+)
(–)
(+)
(+)
ALL WIRING SHOWN IS SUPERVISED.
3 (+)
2 (–)
(–)
(–)
(+)
(–)
(+)
(+)
(–)
(+)
3 (+)
2 (–)
2 (–)
1 (+)
C1013-01
FIGURE 5A. ACTIVATING THE TAMPER-RESIST FEATURE
BREAK TAB AT DOTTED LINE BY
TWISTING TOWARD CENTER OF BASE.
PLASTIC LEVER
C1065-00
FIGURE 5B. REMOVING THE DETECTOR HEAD FROM THE BASE
SLOT
C1082-00
NOTE: B224BI-WH and B224BI-IV replace the previous model number
B224BI; all are functionally the same.
Please refer to insert for the Limitations of Fire Alarm Systems
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, representative, 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 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: Honeywell, 12220 Rojas
System Sensor® is a registered trademark of Honeywell International, Inc.
2 I56-3736-005
©2018 System Sensor. 02/01/2018
THREE-YEAR LIMITED WARRANTY
Drive, Suite 700, El Paso TX 79936, USA. Please include a note describing the malfunction and suspected cause of failure. The Company shall not be obligated to replace units
which are found to be defective because of damage, unreasonable use, modifications,
or alterations occurring after the date of manufacture. 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.
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