65
A
DETAIL A
LEFT SIDE
PANEL
REMOVE
SCREW
CORNER
POST
FRONT LEFT
SIDE OF THE
FILTERED
HOOD
closest to the HEPA. Also check the seal is tight and electrical connection is good.
Make sure the secondary filter is the top most layer of the column and has a cap
covering the electrical plug on the top of the filter.
Step 8
Repeat for all columns that need new or replaced HEPA filters.
Step 9
When all filters and fan boxes have been replaced, reconnect the filtered hood to power.
Power up and verify all lights and fans are working properly. If the filtered hood is in
alarm, check eGuard for the explanation. If eGuard says the HEPA filter(s) has been
replaced, press the
[mute]
button on the command module. If the alarm is anything
other than a replaced message, disconnect the power, re-check all electrical
connections and try again. Do not leave running while troubleshooting. When properly
working, reinstall the front panel and resume using the filtered hood.
Airflow Sensor Replacement
The anemometer or airflow sensor is found on the left wall of the filtered hood. When no
longer operating correctly, it will need to be replaced. This section will cover how to:
Order and unpack new sensor
Access the old sensor
Remove the old sensor
Insert the new sensor
Enclose the new sensor
Recalibrate the filtered hood
The following tools are required to replace the equipment:
Phillips screwdriver
5/16-inch nut driver
Possibly a flashlight
Recommended to have a second person
Step 1
information on part numbers. The sensor is shipped
directly from the filter manufacturer to your job site.
Unpack neatly and keep the cartoning until the new
sensor is operating properly.
Step 2
To access the sensor, the left side panel must be
removed (if changing on the 3 FT 31.7-inch depth
Protector
®
Airo™, the right panel must be removed).
Locate the screw on the top, front edge of the panel
Figure 8-23
Summary of Contents for Protector Echo
Page 78: ...78 Fans and Lights not working...
Page 79: ...79 Vertical sash no longer operates smoothly...
Page 80: ...80 Electrical duplex outlets no longer have power Fan operates but lights dim or not working...
Page 81: ...81 Contaminates outside the filtered hood...
Page 82: ...82 Lights operate but fans will not...
Page 83: ...83 Smart Command Alarms...
Page 84: ...84 If needed contact Labconco to troubleshoot further...
Page 94: ...94 Wiring Diagram Figure C 1...