INSTALLATION MANUAL
23033 Rev. A 04/10 http://www.networketi.com Environmental Technology, Inc. Page 2 of 4
Step 1: Turn off unit and remove plug.
Step 2: Remove top cover.
For rack mount units, remove 12 screws.
For wall mount units, remove 10 screws.
Step 3: Unscrew and remove the red and black
wires. If wires cannot easily be removed from
ferrite core, cut cable tie and open core to remove
wires. Retain ferrite core for re-installation later in
this procedure.
Step 4: Disconnect tubing from solenoid barbed
fitting.
Step 5: Disconnect ground wire.
Step 6: Remove 4 mounting screws from the back
of the unit (secure pump with other hand). Set 4
mounting screws and lock washers aside for use in
re-installation.
Step 7: Remove screws, lock washers, and nuts
from second mounting position and replace them in
the holes where the original pump was located.
Step 8: Position Hargraves compressor over
mounting holes and attach with screws, spacers,
locking washers, and nuts.
Step 9: Route the red and black wires through
ferrite core, secure core with cable tie, then re-
install the core in its original location as shown
using the tie wrap mount.
