III. INSTALLATION INSTRUCTIONS
Mount the control in an environment that is free from exces-
sive contaminants such as oil, moisture, or dirt.
EC74/50S Mounting
1. Remove control from case by pushing outward the two clips
on the left and right within case, and carefully lift control
out.
2. Mount case in a vertical position using mounting holes pro-
vided (see Figure 1).
3. Replace control into case by sliding control under tabs at
the top of the case. Push down and clips snap into place.
Figure 1.
Dimensions of EC74/50S
Conduit Connections:
1. Remove desired center knockouts by placing screwdrivers
on inner ring groove by the arrow (see figure 2), then care-
fully apply a solid rap on the handle of the screwdriver with
hand or hammer.
2. Remove outer ring, if necessary, by placing screwdriver
into groove by the arrow (see figure 2) and punch inward.
Smooth the opening's rim with round file or knife.
3. Attach conduit connector first to the conduit, then attach
the conduit connector to the knockout hole using the con-
nector lock nut. To prevent unnecessary stress on enclo-
sure walls, conduit should be aligned and supported.
Wiring:
Figure 2. Knockouts
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