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sensing.honeywell.com
Installation Instructions for the
Wireless Hazardous Area Limit Switches, WBX Series
ISSUE 3
50096377
Reference Figures 3 and 4.
Step
Action
m
WARNING
DO NOT DISASSEMBLE OR ASSEM-
BLE WHEN AN EXPLOSIVE ATMOSPHERE IS
PRESENT
1
Using a #2 Philips screwdriver, unscrew the screw
holding the S-shaped clamp. Remove the screw and
S-shaped clamp that is holding down the housing
cover.
2
Remove the WBX housing cover by turning in
CCW direction as shown in Figure 3.
3
Remove the old batteries from the battery holder by
pulling on the battery extractors as shown.
4
Install each battery as follows to avoid damage to
the battery and holder:
•
See label on battery PCBa defining the “+” and
“-” terminals to ensure battery is placed in
holder with correct polarity.
•
Do not attempt to bend the battery’s hold-
down tabs forward.
•
Insert the battery negative end first, at an
angle, and against the end of the tab. Push
down the battery into position gently. Ensure
the batteries are properly seated and making
contact.
IMPORTANT: If the ORANGE LED does not blink,
it is recommended to remove one of the batteries
and re-insert back again.
5
Repeat steps 3 and 4 for the other battery
6
Replace the cover and thread it on to housing by
turning in CW direction until tight.
7
Place the S-shaped clamp and tighten the screw
with a 1,5 Nm [13.3 in-lb] torque to firmly hold
down the housing cover.
8
Dispose of used battery promptly per local regula-
tions or the battery manufacturer’s recommenda-
tions. Keep away from children. Do not disassemble.
Do not dispose of in fire.
Note: Each battery contains 0,7 gm of lithium metal. There may
be shipping restrictions depending upon the total amount of
lithium metal.
Figure 3 – WBX Housing
Figure 4 – WBX Battery and Insulator
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