Status LEDs
Sounder
(donot pulse the sounder and
LEDconcurrently)
Heat Alarm Red flash every 1 second ANSI S3.41 temporal 3
Heat Test Red flash every 1 second ANSI S3.41 temporal 3
Smoke
Alarm
Red flash every 1 second
ANSI S3.41 temporal 3
(pressbutton to hush for 5-10 minutes)
Smoke Test Red flash every 1 second
ANSI S3.41 temporal 3
(pressbutton to hush for 5-10 minutes)
TestAlarm Red flash every 1 second ANSI S3.41 temporal 3
Detector
Trouble
Yellow flash every 4 seconds One chirp every 48 seconds
Low Battery Yellow flash every 12 seconds
One chirp every 48 seconds (pressbutton to
hush for 12 hours)
Detector
Dirty
Yellow flash every 8 seconds One chirp every 48 seconds
Power-up Red, yellow,green, flash sequence
One chirp at the end of the power-up
sequence
Tamper
Red, yellow,green flash sequence
every 12 seconds
Off
Table 1: Detector and Status Indication
Detector Dirty Feature
When the detector has been contaminated, the yellow LED blinks once every 8 seconds and there
is a chirp every 48 seconds.Refer to the MAINTENANCE section for cleaning the detector. After 12
hours,the panel will display a lossof supervision message.
Heat Alarm
The heat detector (cULus versions only) will go into alarm when the heat signal level exceeds the
heat alarm threshold (135ºF/57ºC); and will automatically restore when the heat signal level falls
below the heat alarm threshold (restore). The detector will also go into heat alarm if there is a rapid
increase in the temperature over a short period of time. During an alarm the LED will flash 1/second
and the sounder will sound the evacuation temporal pattern.
Tamper
The removal of the detector from the mounting plate initiates a “tamper” transmission. The tamper
condition is restored after the detector is mounted on the plate.
Wireless Transmissions
A supervisory message is transmitted to the control panel at 64-minute intervals for the WS4936
and 12-minute intervals for the WS4936EU/WS8936 models. Ifthe signal is not received the control
panel determines that the detector is missing. The detector transmits the following:
l
Alarm / Alarm Restore - (heat or smoke alarm). Transmitted at time of occurrence.
l
Tamper/ TamperRestore - (tamper switch activated) 10 second maximum delay on restore
before transmission.
l
Low Battery - (battery voltage falls below threshold). Battery voltage is tested & transmitted at
the time of a supervisory or other transmissions.
l
Trouble - (detector fault or sensor compensation limit reached). Troubles are transmitted at the
time of occurrence (one trouble per supervisory interval).
Batteries
NOTE: The batteries mustbe replaced by service persons only.
The wirelesssmoke heat alarm is powered by 3 AAA Duracell Procell PC2400 or 3 AAA Energizer
E92 batteries (included). The detector regularly checksfor a low battery.If a low battery is detected,
the transmitter sends a low battery message to the control panel, which displays the detector's ID at
low battery. In addition, the yellow LED of the detector will blink every 12 seconds. The detector's
sounder will chirp every 48 seconds (yellow LEDcontinues to blink) until the batteries are replaced.
Pressing the hush button will silence the chirps for 12 hours,if no other trouble conditions exist. The
batteries should be replaced when the chirps begin. Replace the batteries with new ones.
Battery Installation and Replacement
To replace batteries:
1. Remove the detector from itsmounting base by twisting the detector counterclockwise.Care-
fully remove batteries by lifting from the “+” end using a flathead screwdriver and dispose of
them according to local regulations.
2. To ensure a proper power-down sequence, wait a minimum of 20 seconds before installing
new batteries.
3. Install 3 new AAA batteries (available from a local Duracell or Energizer dealer) in the battery
compartment.Install the batteries by inserting the “-” end first, then pushing the “+” end down.
If the batteries are incorrectly inserted, please remove them carefully by lifting them out from
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