Bottom Connections
11
3.2. Switching the positions, gently hand-
tighten the plug and Universal
connection into the flowmeter. Do not
force. The o’ring will help to center the
piece in the cavity and the threading
should proceed easily. Tighten all the
way until the piece makes metal-to-
metal contact with the flowmeter
surface. Tighten firmly.
3.3. Repeat the above steps for the N
2
O plug
(3/16” Allen Wrench) and Universal
connection.
CABINET / WALL MOUNT INSTALLATION
IMPORTANT:
It is not recommended installing unit on an
outside wall.
When using the (bottom) connections, it will
be necessary to remove the N
2
O, O
2
and
Mixed Gas Connectors before installing the
meter into the mounting frame and cabinet.
Once the meter is in place, replace the
connectors. Refer to “Switching the
Universal Connectors” in this manual.
Wall Mount Installations: Requires rear
access large enough to install fittings and
gas connections. Do not remove red caps on
connectors until unit is installed. Place a
piece of tape over the rear power supply
connector temporarily so dry wall dust does
not enter the connector.
Wrenches required: 7/8” for N
2
O connector, 5/8”
for O
2
connector and 7/16” for mixed gas
connector.
Cabinet Mount Installation:
Bezel kit B-4988 may be used. This kit is
optional and must be ordered separately.
Wall Mount Installation:
Installations must use bezel kit B-4988.
1. Determine desired location of flowmeter. Use
cut-out dimensions below or template FM-
383 provided with the kit to cut opening in
cabinet or mounting apparatus.
Note:
Flowmeter location needs to accommodate 5
feet DISS hose-to-shut-off valve distance,
and 20 feet mixed gas hose-to-remote bag
tee distance.
2. Install flowmeter mounting frame, if used, in
opening with arrows facing up and fasten
securely. (Mounting fasteners are not
provided.) Use cut-out dimensions as a
guide to drill holes for mounting screws.
3. Attach retaining spring to meter body using
two (2) each screws. Repeat for opposite
side.
4. Determine desired location of the Universal
DISS connections on the flowmeter for O
2
and N
2
O (back or bottom). The meter is
shipped from the factory with the connectors
in the back position.
