Section BXM‐161‐4HE‐20A
030‐101374 Rev. A
R
15
1211IARA
Figure 22. Clean the Air Intake/Exhaust Screened Vents
remove any debris
from the screened vents
Periodically
3.17
Performing Cabinet Housekeeping
Verify all equipment is secure, verify all wires and cables are
neatly organized and managed, verify all bonding and ground
ing connections are made at the ground plate, and verify no
equipment, tie‐downs, cables, or wires will interfere with the
closing of the door. Clean up the installation site per company
practice.
3.18
Closing and Locking the Cabinet
Upon completion, the installer should close and lock the cabi
net by firmly pressing on the door, turning the swing handle to
the vertical position, then pressing the handle down to seat it.
When closing and locking the door, the door must be pushed fully
closed before engaging the swing handle, or damage to the locking
mechanism may result.
Secure the door by tightening the cup‐
washer screw with a can wrench or 216 tool, and optionally lock
the door via the hasp in the door handle which accepts a field‐
provided lock or padlock (customer supplied).
4.
MAINTENANCE
The Westell
r
Boxer
t
components are maintenance‐free,
however, please note the following items.
S
At least once every six months, periodic inspections
should be performed on the Boxer‐16 cabinet to remove
any debris from the screened vents located on the front
door (Figure 22). This facilitates proper operation of the
cabinet and allows unobstructed air flow.
S
At least once every six months, the air filter mounted on
the inside of the front door should be cleaned (see
Figure 23). This facilitates proper operation of the cabi
net and allows unobstructed air flow.
5.
SERVICE AND REPAIRS
Replacing parts is the only recommended type of field repair
for the Westell
r
Boxer
t
cabinet. The list below contains the
only Boxer parts which may be ordered and field‐replaced (see
Part 6 for a telephone number, Table 4 for part numbers, and
Paragraph 7.2 for the return procedure). See Paragraph 5.1
through 5.4 for detailed steps to remove and replace these
parts.
Field‐replaceable parts:
S
Controller Card
S
Internal Fans
S
Door Alarm Sensor Assembly
‐ CAUTION ‐
To avoid electrical shock, turn off any DC or AC power feeds
to the panel before removing or replacing the controller card.
5.1
Replacing the Controller Card
The Controller Card cannot be field
repaired
. Should a prob
lem be suspected with the card, it must be removed and
returned to Westell for service, then re‐installed or
replaced
.
Follow the steps below to replace the controller card.
1.
Disconnect power.
Disconnect power to the card by remov
ing the power Euro‐connector block (labeled “‐48V” and
“GND”. Pull the connector toward the cabinet front.
2.
Remove all connectors.
Disconnect all other wire connec
tions in the card by simply pulling off each Euro‐connector
in the controller card (on the card's left and bottom edges,
see Figure 20) in similar fashion, and labelling each con
nector as it is removed, to facilitate re‐connection with the
replacement card. It is not necessary to remove any wires
from the connectors (unless a fan is suspected of being
faulty and is also being replaced).
3.
Remove card.
Remove the old card by unscrewing the
hardware that secures the card to the cabinet wall, then
pulling the card off the studs.
4.
Install new card.
Replace the old card with the new card,
ordered and received from Westell. Be sure the GMT fuse
faces left and that the card labelling is visible and not up
side‐down. Align the mounting holes in the card with the
posts on the cabinet wall, then tighten the hardware re
moved in the step above back onto the studs to secure the
card. Re‐insert all connectors in their proper positions in
the card, connecting the power connector block last.
5.
Test.
Verify the alarms and fans work.
‐ CAUTION ‐
To avoid electrical shock, turn off any DC or AC power feeds
to the controller before beginning this procedure.
5.2
Replacing the “Outside Air” Fans
Fans cannot be field
repaired
but are field replaceable. Should
a problem be suspected with an “outside air” fan, remove the
fan and return it to Westell for service, then replace it. See
Table 4 for ordering information. To remove and replace an
“outside air” fan, proceed with the following instructions.
1.
Open the cabinet.
Open the cabinet door by loosening the
cup‐washer screw with a 216 tool or can wrench and turn
ing the door handle (see Figure 4).
2.
Remove cover.
Remove the heat exchanger compartment
cover by loosening the Phillips screw (near the center area