Installation of hepa filters, Connecting the electrical supply source to the txe – Labconco TXE Tall XPerEnclosure 3892022 User Manual
Page 14
Chapter 3: Getting Started
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Installation of HEPA Filters
HEPA filters are shipped installed with the gasket on the downstream side. The
HEPA filters are leak checked at Labconco. A second leak check is recommended
before using the enclosure and at least annually thereafter. Consult your Safety
Officer and Chapter 6 for the HEPA Filter Leak Test and HEPA Filter Bag-In/Bag-
Out Procedure. See Figure 4-2 for HEPA filter location, HEPA filter gasket, filter
clamp bolts, and bag-in/bag-out flange. The TXE has a true bag-in/bag-out HEPA
filter to safely dispose of the filter. All seams upstream of the HEPA filter are
jacketed by negative pressure. This intrinsically safe design ensures containment.
Connecting the Electrical Supply Source to the TXE
115V Models
Simply connect the 115V power cord supplied to the IEC electrical supply plug on
the back of the enclosure.
For the remote blower used for the TXE, follow the wiring diagram on the
enclosure and wire the blower wires in the electrical junction box located behind
the front panel. These wires are switched by the electrical relay via the blower
switch.
The maximum circuit load for the electrical relay is 6 amps. Only the remote
blower wiring is connected inside the electrical junction box. The lights and
airflow monitor are powered from a standard duplex electrical receptacle located
nearby for connecting the power cord. All wiring for the TXE should be
performed by a licensed electrician and conform to local codes. In most cases, the
TXE will require the use of shielded conduit to protect the wiring.
See Figure 3-3. The grounding connection shall not be made to the terminal box
cover. The building electrical supply system for the remote blower should include
overload protection such as a switch or circuit breaker in close proximity and
within easy reach of the operator. The switch or circuit breaker shall be marked as
the disconnecting device. Consult NEC-2002 for proper installation.