System Sensor 2W-B Manual Do Utilizador

D100-96-00 4 I56-1800-07R

System  Sensor  warrants  its  enclosed  smoke  detector  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  war-
ranty  for  this  smoke  detector.  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  repair  or  replacement  of  any  part  of  the  smoke  detector  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  phon-
ing  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, 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 limita-
tion 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.

Three-Year Limited Warranty

Please refer to insert for the Limitations of Fire Alarm Systems

Electrical Specifications 2-wire   4-wire
System Voltage – Nominal:   12/24   12/24 Volts Non-polarized
   Min.:     8.5   8.5   Volts
   Max.:   35 35 Volts
Max. Ripple Voltage:   30      30 % peak to peak
   of applied voltage
Max. Standby Current:   50   50 µA average
Peak Standby Current:   100   — µA
Max. Alarm Current:   130   20 mA 12 Volt Systems
(For 2W-B and 2WT-B,
   panel must limit current)  130   23 mA 24 Volt Systems
Alarm Contact Ratings:     —   0.5   Amp @ 30 V AC/DC
Alarm Reset Time:   0.3   0.3   sec
Max. Start-up Capacitance:   0.1   — µF
Latching Alarm:          Reset by momentary power interruption
Maximum Initial
   Start-up Time:     45 15 sec
Alarm Verification*
   Start-up Time:     15 15 sec
*Assumes the panel’s alarm verification reset time is 10 seconds
or less. Should the alarm verification reset exceed 10 seconds, use
the maximum initial start-up time.

Physical Specifications
Heat Sensor
   (Model 2WT-B and 4WT-B):  135°F (57.2°C)
Freeze Trouble
   (Model 2WT-B and 4WT-B):  41°F (5°C)
Operating Temperature Range:
   2W-B and 4W-B:   32 to 120°F (0 to 49°C)
   2WT-B and 4WT-B:   32 to 100°F (0 to 37.8°C)
Operating Humidity Range:   0 to 95% RH non-condensing
Storage Temperature Range:     –4 to 158°F (–20 to 70°C)
Diameter (including base):   5.3 inches
Height (including base):   2.0 inches
Weight:     6.3 oz.

FCC Statement

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this
device must accept any interference received, including interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to

provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

– Reorient or relocate the receiving antenna.

– Increase the separation between the equipment and receiver.

– Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

– Consult the dealer or an experienced radio/TV technician for help.

1. Remove the detector cover by turning counterclockwise. (See

Figure 5.)

2. Vacuum the cover or use canned air to remove any dust or

debris.

3. Remove the top half of the screen/sensing chamber by lifting

straight up (Figure 5).

4. Vacuum or use canned air to remove any dust or particles that

are present on both chamber halves.

5. Replace the top half of the screen/sensing chamber by align-

ing the arrow on the screen/sensing chamber with the arrow
on the housing. Press down firmly until the screen/sensing
chamber is fully seated.

6. Replace the detector cover by placing it over the screen/sensing

chamber and turning it clockwise until it snaps into place.

7. Reinstall the detector and test. (See the Testing section.)
8. Notify the proper authorities when the system is back in service.

Figure 5: Removing/Replacing Screen/Sensing Chamber

REMOVABLE
DETECTOR
COVER

SCREEN/SENSING
CHAMBER
(TOP HALF)

DETECTOR
HOUSING

S0136-00