ONICON System-40-BAC BTU - Manual (Page 10)

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System-40-BAC BTU Meter Manual 03/15 - 1045-2 Page 10
IMPORTANT NOTE
The flow sensor body must be correctly oriented with respect to the direction of flow in the pipe.
Meters installed with flow in the reverse direction will not function.
i
The calculator enclosure may be rotated around the axis of the flow sensor into three different
positions. To rotate, temporarily slide the enclosure off the flow sensor mounting brackets.
Remove the two retaining screws and reposition the mounting brackets as required. Reinstall
the enclosure with the display properly oriented for viewing. Mounting tracks on the back of
the enclosure allow for mounting in any orientation.
Flow Direction
The sensor port is always on
the downstream end of meter.
Retaining Nut Seal Coupling
Slide calculator
enclosure to
remove from
sensor mounting
brackets
Slide Enclosure
Mounting Tracks
Retaining
Screw
Retaining
Screw
IMPORTANT NOTE
When installing the meter in a vertical pipe with upward flow you must rotate the enclosure back
plate 180° when rotating the display 90°. To accomplish this, temporarily remove the 4 cover
screws and rotate the backing plate.
i
The flow sensor is installed with threaded meter couplings and flat sealing gaskets as shown
below. Orient the sensor body by aligning the flow direction arrow with the direction of flow
in the pipe.