Installation - Omega CN4420 Series Manual

INSTALLATION

NEMA 4X Integrity
The front side of this instrument conforms to NEMA 4X. To ensure the
waterproofness between the instrument and the panel, use the gasket
that is provided with the unit according to the installation procedure
described below.
How to install the unit
For CN4520, CN4620, CN4720 Series install the two metal brackets, one
on the top and the other on the bottom, and tighten the screws to a
torque of about 14.7N-cm (1.5kg-cm). For CN4420 install the unit in the
panel as shown below, and tighten the screws on the mounting bracket
until the unit is secure. Make sure there is no space between the front
side of the unit and the gasket, and between the gasket and the panel.
Figure 1
Front Gasket
Caution: After the mounting bracket is installed, check the gasket for
any displacement as shown in Figure 3.
Gasket
Unit
Case
Case
(Bad)
Figure 2
Panel
Figure 3
17
Unit
Panel Mounting bracket
Gasket
Case
(Good)
Screw