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Installation Requirements
Refer to the Important Safety Instructions before installing, operating or performing maintenance of clocks.
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Before installing a clock, verify the system transmitter is operating properly and sending a signal with adequate
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building coverage (refer to the guide accompanying the transmitter). A transmitter with an internal antenna
broadcasts continuously and a transmitter with an external antenna broadcasts hourly from 39 minutes past the
hour to 6 minutes after each hour. Cycling the transmitter power off/on initiates an 8 hour continuous
broadcast.
Clocks must be installed at a location within adequate transmission range of the transmitter.
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Verify the clock's settings have been configured before the clock is installed.
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Any damage to the clock due to improper wiring voids the warranty. It is at Primex Wireless discretion as to
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whether damage to the clock was caused by improper wiring.
NOTE: When clocks are being installed or the signal is tested at the final installation location to verify the presence of
the transmitter signal in that area, push and IMMEDIATELY release the button and hang the clock in place. It
is very important not to hold the button down too long or the hands will proceed to the 12 o'clock position
and remain there indefinitely. To make the hands move again, wait until they have stopped, then press and
hold the button again. The clock will enter its normal set up procedure and set itself.
120VAC Wiring
Primex Classic and Levo Series Digital Clocks/Timers are shipped from the factory with either a plug or pigtail for
permanent installation. Pigtail installations require a 120V~ power line in a junction box installed by a licensed electrician.
NOTE: Leave a minimum of 6" (15 cm) of cord inside the junction box.
24VAC Wiring Guidelines- Digital Clocks/Timers
Primex Wireless Digital Clocks/Timers operate at a maximum current draw of 700mA (24VAC) and operate over a range of
20 - 26VAC.
For installations where 24VAC wiring exists, the gauge/length of the wire and rating for the supply transformer should be
verified to ensure adequate current supply and voltage for all connected devices.
For new installations, the supply wire gauge should be determined to ensure acceptable voltage drop based on installed
length from the supply transformer to most distant clock to ensure minimum voltage (20VAC) is assured.
24VAC Wiring
Follow all National and Local Building Codes when installing clocks.
1. Be sure the 24VAC wiring is routed through the cable hole in the rear of the clock.
2. If a back plate is used, feed the 24VAC wiring harness through the back plate and attach it to the clock.
3. Hang the clock/timer vertically on one of the mounting screws.
4. Connect the 24VAC wiring harness. Use two wire nuts, sized appropriately for the gauge of wire, to secure the
wires.
5. Finish hanging the clock/timer horizontally.
Primex Wireless
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XR Classic Series Digital Clock/Timers Installation Guide
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