Installation; General Mounting Hints; Mounting Diagrams - Omega FC-21 User Manual

FC-21 Flow Computer
General Mounting
Hints
Mounting Procedure

2. Installation

2.1 General Mounting Hints:

The FC-21 Flow Computer should be located in an area with a clean, dry
atmosphere which is relatively free of shock and vibration. The unit is
installed in a 5.43" (138mm) wide by 2.68" (68mm) high panel cutout.
(see Mounting Dimensions) To mount the Flow Computer, proceed as
follows:
a. Prepare the panel opening.
b. Slide the unit through the panel cutout until the it touches the panel.
c. Install the screws (provided) in the mounting bracket and slip the
bracket over the rear of the case until it snaps in place.
d. Tighten the screws firmly to attach the bezel to the panel. 3 in. lb. of
torque must be applied and the bezel must be parallel to the panel.
Termination Connectors:
Minimum Wire Gauge:
Maximum Wire Gauge:
Voltage/current limits are limited by unit specifications.
Permanently Connected Equipment:
UL 3101-1, Section 6.12.2.1 specifies that:
• A switch or circuit breaker shall be included in the building
installation;
• It shall be in close proximity to the equipment and within easy
reach of the OPERATOR;
• It shall be marked as the disconnecting device for the equipment.
Ensure that the switch or circuit breaker chosen is suitable for the
power requirements of the unit.

2.2 Mounting Diagrams:

Standard Mounting
Mounting Bracket
Dimensions
5.67 (144)
RATE 147.43 GPM
TOTAL 267395.749 GAL
3.43
(87)
TOTAL RATE PRE 1 TEMP PRINT
CLEAR MENU
START 1 2 3 4 5
STOP GRAND SCROLL PRE 2 DENS TIME HELP
ENTER
6 7 8 9 0 – •
6.18
Dotted Line Shows Optional Bezel Kit
22 AWG
14 AWG
Bezel Kit Mounting
FC-21
6.15
(156)
0.28 (7.2)
2.83
(72)
0.4 (10)
Dimensions are in inches (mm)
6
FC-21
Bezel Adaptor
Gasket
Mounting Bracket
5.43
0.5
(138)
(13)
Panel
Cutout
2.68
(68)