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Page 11 Digital Display Wall Clock Guide
Mounting - DDC2 / DDC4 Series
The DDC Series Wall Clocks can be mounted directly to a wall, to a single gang outlet box, double hung
from the wall or double hung from the ceiling. When deciding where the clock will be mounted, keep in
mind that 115VAC power may be required depending on the installation type.
See page 14, figure 3.
Mounting to a Wall
Tools required for mounting the clock:
Drill with a 5/16" bit
Hammer
Phillips head screwdriver
Wall anchors
Pencil
DDC2
» After deciding the location where the clock will be mounted, make two marks 7" apart and
horizontal.
Note: If mounting near a ceiling, make sure the holes are at least 2 1/4" away from the ceiling.
Note: Make sure you have at least 10 1/2" of side clearance on one side in order to remove the lens and
circuit board assembly.
» Drill a 5/16" hole at each mark
» Insert a wall anchor in each hole and tap it flush to the wall with the hammer.
» Insert a screw into each wall anchor leaving 1/4" exposed.
» Remove the four phillips head screws from the left or the right end cap and remove. Slide the lens
and circuit board assembly out of the case and set aside.
» Line up the two keyholes on the back of the case and slip over the two screws and tighten
securely. ( The lower mounting holes can be marked at this point, the case removed, holes drilled
and wall anchors installed if so desired)
» Remove the desired vent cap that any required wiring will route through. (If the wiring will be
installed through the back-of-the-clock conduit access, route the fly leads of the clock's Cable
Harness Assembly from the interior of the clock through the hole in the Clock's rear plate. Use
wire nuts or crimp connectors to join these leads with the power and synch signal cable in the
gang box behind the clock to eliminate possible snagging when the circuit board assembly is
removed or replaced. If RS-485 signaling is used, attach the signal pair to the mini Terminal Block
Plug and pass the cable from behind the clock, through the hole into the clock's interior).
» Route the 6-position plug (and optional RS485 cable) to the circuit board assembly and attach.