Johnson Controls M4-CG Series User Manual

• Provide for sufficient space around the controller for
cable and wire connections for easy cover removal
and good ventilation through the controller (50 mm
[2 in.] minimum on the top, bottom, and front of the
controller).
• Do not mount the controller on surfaces prone to
vibration, such as ductwork.
• Do not mount the controller in areas where
electromagnetic emissions from other devices or wiring
can interfere with controller communication.
On panel or enclosure mount applications, observe the
following additional guidelines:
• Mount the controller so that the enclosure walls do
not obstruct cover removal or ventilation through the
controller.
• Mount the controller so that the power transformer
and other devices do not radiate excessive heat to the
controller.
• Do not install the controller in an airtight enclosure.
Figure 3: Controller mounting position
Mounting features and dimensions
Figure 4: Back of CGE09090 and CGM09090 controller
Figure 5: Back of CGE04060 and CGM04060 controller
Note:
• Mounting dimensions are listed in millimeters in
the above figures.
• The DIN rail channel and the mounting clips are
shown in an extended position.
DIN rail mount applications
About this task:
To mount a controller horizontally on a 35 mm DIN rail
(recommended method), complete the following steps:
1. Securely mount a 20 cm (8 in.) or longer section
of 35 mm DIN rail horizontal and centered in the
desired space so that the controller mounts in the
horizontal position.
2. Pull the two bottom mounting clips outward from
the controller to the extended position (Figure 4 or
Figure 5).
3. Hang the controller on the DIN rail by the hooks at
the top of the (DIN rail) channel on the back of the
controller (Figure 4 or Figure 5), and position the
controller snugly against the DIN rail.
4. Push the bottom mounting clips inward (up) to
secure the controller on the DIN rail. To remove
the controller from the DIN rail, pull the bottom
mounting clips out to the extended position and
carefully lift the controller off the DIN rail.
Wall mount applications
About this task:
To mount a controller directly on a wall or other flat
vertical surface, complete the following steps:
1. Pull the two bottom mounting clips outward and
ensure they are locked in the extended position as
shown in Figure 4 or Figure 5.
2. Determine the proper mounting position the
controller will be installed. Mark the mounting
hole locations on the wall using the dimensions
for the controller listed in Mounting features and
dimensions, or hold the controller up to the wall or
surface in a proper mount position and mark the
hole locations through the mounting clips.
M4-CG Series General Purpose Application Controller Installation Guide 3

Johnson Controls M4-CG Series Specifications

General

Brand	Johnson Controls
Model	M4-CG Series
Category	Controller
Language	English