OneVue 24 VAC User manual

72MHz Analog Clock
Install Guide
OneVue Sync 72MHz
Publication date July 19, 2020

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Printed in the USA.
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Primex is the leading provider of solutions to automate and maintain facility compliance, increase efciencies, enhance safety and
reduce risk for enterprise organizations in the healthcare, education, manufacturing and government vertical markets. Primex delivers
solutions that utilize a facility’s existing network infrastructure to automate, monitor, document and report essential activities
performed by facility staff. Our solutions include synchronized time, automated critical notications and bell scheduling, and
environmental and event monitoring.
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Table of Contents
Analog Clock install requirements ...................................................................................................... 4
Clock signal search schedule (when a clock receives a time update) ................................................. 4
Transmitter schedule (when a transmitter transmits a time update) .................................................. 4
Verify clock signal strength at the install location .......................................................................... 5
Electric Analog Clock: Power specications and conguration methods ............................................. 5
Install single sided Analog Clock ........................................................................................................ 9
Install 12" dual-sided Analog Clock (electric) ...................................................................................... 11
Dual Bracket Kit contents ....................................................................................................... 11
Step 1: Assemble clocks to dual mount bracket .......................................................................... 11
Step 2: Mount bracket kit to wall or ceiling ................................................................................. 11
Install 16" dual-sided Analog Clock ................................................................................................... 13
Dual clock kit contents ........................................................................................................... 13
Assemble and install a 16" dual-sided clock ............................................................................... 13
Install dual-sided slim metal series Analog Clock ................................................................................ 16
Dual Clock Kit contents .......................................................................................................... 16
Assemble and mount dual-sided clock ...................................................................................... 16
Remove Analog Clock from clock-lock mount ..................................................................................... 18
Remove Analog Clock from dual mount bracket .................................................................................. 19
Replace Analog Clock batteries ....................................................................................................... 20
Analog Clock operation .................................................................................................................. 21
Daily signal check (time update) .............................................................................................. 21
Daily hand alignment position check ......................................................................................... 21
Loss of time signal ............................................................................................................... 21
Manually reset a clock's time .................................................................................................. 21
Manually initiate a signal search .............................................................................................. 22
Manually initiate hand alignment check ..................................................................................... 22
IMPORTANT SAFETY INSTRUCTIONS ............................................................................................... 23
Regulatory Compliance Statements .................................................................................................. 24
FCC Statement ..................................................................................................................... 24
RADIO STANDARDS SPECIFICATION (RSS) ................................................................................ 25
5 YEAR LIMITED WARRANTY .......................................................................................................... 26
Technical Support ......................................................................................................................... 27
Support through Primex Certied Sales and Service Partners ......................................................... 27
Primex Technical Support ...................................................................................................... 27
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Analog Clock install requirements
• Refer to the Important Safety Instructions before installing, operating, or performing clock maintenance.
• Before installing a clock, verify the main Transmitter is operating properly and transmitting a signal with adequate
building coverage. The transmit (broadcast) schedule varies by Transmitter model.
• Clocks must be installed at a location within adequate transmission range of the Transmitter.
• Sites with more than one Transmitter, it's very important to only insert a clock's batteries at its permanent install
location.
• Any damage to the clock due to improper wiring voids the warranty. It is at Primex discretion as to whether damage
to the clock was caused by improper wiring.
Clock signal search schedule (when a clock receives a time update)
When a clock is rst powered on, it automatically initializes its setup and searches for a signal from a Transmitter to
receive its time.
•After a clock is powered on it then searches for a signal at six pre-scheduled times a day, at 2:01 AM/PM, 6:01
AM/PM, and 10:01 AM/PM clock time (not the actual time of the day), a clock's receiver turns on to search for a
Transmitter signal to receive a time update, starting with the previously stored channel number. If a signal is not
received from the rst channel, the clock scans all channels to search for a signal.
• To manually reset a clock after installation, simply remove its power source for at least 10 seconds and then reapply
its power source. The clock automatically searches for a signal and resets its time when it receives a signal.
• When a clock has not received a valid signal/time update for three consecutive days, it displays a visual signal loss
indicator; an analog clock's second-hand advances and pauses continuously (stepping) and a digital clock/timer's
colons ash. A clock may display the correct time, but it's not synchronized and its time may drift.
Transmitter schedule (when a transmitter transmits a time update)
The type of antenna determines when a Transmitter transmits synchronized time updates, which should be taken into
consideration when installing new devices. Devices receive a time update during their scheduled signal search or when
powered on.
Transmitter with an internal antenna
Transmitter with Internal Antenna: transmits (broadcasts) synchronized time continuously to the system clocks and
devices.
Transmitter with an external antenna
Transmitter with an external antenna: transmits (broadcasts) synchronized time to the system clocks and devices
from the 39th to the 6th minute of the next hour and changes to a standby mode during the 7th to the 38th minute of
the hour (standard broadcast schedule). During initial power-up, the Transmitter transmits a signal for 8 consecutive
hours. After the 8 hour power-up period, the Transmitter reverts to its timed transmit schedule. Power-cycling a
Transmitter will set it into an 8 hour continuous transmit schedule.
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If installing clocks after the initial Transmitter 8-hour power-up transmission, there are three options.
• Install clocks between 39 minutes past the hour and 6 minutes after the next hour. They will set right away.
• Install the clocks at any time of the day. They will set their time at the next 39 minutes after the hour.
• Power cycle the Transmitter. It will then broadcast for 8 consecutive hours and clocks will set immediately on power-
up.
In the event of a facility-wide power outage, a Transmitter with an external antenna will transmit a signal for 8 hours
upon the restoration of power. This will synchronize all devices. In the event power to a Transmitter is turned off and
turned back on (power-cycled), the Transmitter will transmit a signal continuously for 8 hours. Power-cycling a
Transmitter can be used to set/reset system devices. Do not power-cycle a Transmitter when it's in an error status; refer
to troubleshooting to resolve the error status.
Verify clock signal strength at the install location
A clock should be tested at its nal installation location to verify it can receive a signal from a Transmitter.
1. At its installation location, press and IMMEDIATELY release the red button located on the backside of the clock and
hang the clock in place.
NOTE
When clocks are being installed or signal tested, it's very important not to hold the button down too
long or the hands will proceed to the 12 o'clock position and remain there indenitely. If this should
happen, remove its batteries and wait 10 seconds, and then re-insert the batteries. The clock will
self initialize and set to the correct time.
2. The clock scans all channels looking for a Transmitter signal. Once the clock nds a channel, a series of beeps
emit from the clock.
•If a signal is received: clock emits a beep once per second, for one minute, every time a valid packet is decoded.
The clock hands automatically adjust to the correct time.
•If the clock is in a marginal signal area: the clock emits a beep once every few seconds. Battery operated
models will work in marginal signal areas, but may result in reduced battery life.
•No beeping: indicates a signal is not received from the Transmitter
Electric Analog Clock: Power specications and conguration methods
Installation must adhere to local codes and ordinances.
Page 5

Electric Analog Clock power specications
Model Current Draw Cord  Line Neutral Ground
(earth)
24 VAC 21mA 18 in. (45.7 cm) pigtail/hardwired Yellow Yellow
120 VAC 25mA 18 in. (45.7 cm) standard non-polarized
two-prong plug
Black White Green
24VAC wiring guidelines
Primex Analog Clocks (24VAC) operate at a maximum current draw of 30mA (24VAC) and operate over a range of 16 -
26VAC.
• For installations where 24VAC wiring exists - the gauge/length of the wire and rating for the supply transformer
should be veried 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 (16VAC) is assured.
Pluggable surface receptacle conguration
The power cord is wrapped around the two posts on the back of the clock and can be unwrapped or wrapped to the
desired length.
The power cord is to be routed through the strain relief away from the upper portion of the clock’s antenna to maintain
optimal reception and then exit through the slot located at the bottom of the clock. The excess cord can then be wound
around the two cord posts.
NOTE
When hanging the clock on the wall, be sure the power cord does not get pinched between the mounting
hardware and the back of the clock. Be careful not to damage the antenna wires when hanging or
removing the clock.
Pluggable recessed receptacle conguration
The receptacle may be behind the clock, with the excess cord wound around the two cord posts.
To ensure that the cord does not prevent the clock from resting ush against the wall, the center of the recessed
receptacle should be located about 2.0 in. (6.35 cm) to the right or left of the center of the clock and 2.75 in. (6.9 cm)
down of clock mounting nail or screw.
Page 6

Pigtail/hardwired conguration
The power plug may be removed and cord cut to length for hardwired (pigtail) installation. Pigtail installation requires a
120V~ power line in a junction box installed by a licensed electrician. Leave a minimum of 6 in. (15 cm) of cord inside
the junction box.
NOTE
To conform to UL and National Building Code, the use of the clock-lock feature is required for this
conguration.
Page 7

Page 8

Install single sided Analog Clock
The backs of most Analog Clocks feature two specially designed clock-lock hangers spaced at precise distances, one
on the top and the other on the bottom. The clock-lock feature prevents accidental removal if the clock is bumped, and
it may reduce theft by requiring a particular combination of moves to remove the clock.
Clocks with the clock-lock feature are supplied with two mounting screws and wall anchors. To bypass the use of the
clock-lock feature, use nishing nails with no heads angled at 45 degrees into the wall in place of the supplied
mounting screws.
Sites with more than one Transmitter: It's very important to only insert a clock's batteries at its permanent install
location.
1. Drill holes for the screw anchors per the clock hole spacing specications.
Clock Size Hole Spacing Clock-Lock
Feature
9” (22.86 cm) 6.75” (17.17 cm) Yes
9.5” (24.13 cm) 9” (22.86 cm) Yes
11.5” (29.21 cm) 9” (22.86 cm) Yes
12.5” (31.75 cm) 9” (22.86 cm) Yes
13.5" (34.2 cm)
Square model
9.5" (24.13 cm) Yes
13.75” (34.92 cm) 9” (22.86 cm) Yes
16” (40.64 cm) 9” (22.86 cm) Yes
24” (60.96 cm) Not applicable No
2. Apply power to the clock.
3. Use a screwdriver to insert and tighten the screw, leaving the top of the screw head 3/8 in. (0.95 cm) out from the
wall.
4. Hold the clock with the face down and align the clock-lock hanger with the bottom screw.
5. Tilt the clock face to vertical and position the clock with the screw heads in the opening of the Clock-Lock hanger.
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6. Slide the clock down over the screw heads to latch it into place.
7. If the Automatic Self Initialization was not completed at the clock mounting location, verify the clock is receiving a
signal from the Transmitter. Remove the clock and press and IMMEDIATELY release the button located on the back
of the clock.
NOTE
When a clock is being installed or its transmission signal is being tested, it's very important not to hold
the button down too long or the hands will proceed to the 12 o’clock position and remain there
indenitely. To release the hands from an indenite position, press and release the button again. The
clock will automatically initiate the Self Initialization procedure and set itself.
The clock scans all channels looking for a Transmitter signal.
• Once the clock nds a channel with a Transmitter signal, the clock emits a series of beeps. Each time a valid time
signal is received the clock emits a beep, which should be once per second and continue for one minute.
• If the clock is in a marginal signal area, it emits a beep once every few seconds. Battery operated models work in
marginal signal areas, but may result in reduced battery life.
• No beeping indicates a signal is not received.
Page 10

Install 12" dual-sided Analog Clock (electric)
A dual-sided clock consists of two clocks and a Dual Clock Kit, which can be either ceiling or wall mounted. Using the
kit, combine two clocks to create a dual-sided clock.
Dual Bracket Kit contents
(1) Dual mount bracket
(1) Mounting plate
Step 1: Assemble clocks to dual mount bracket
1. Place each clock in the housing with the 10/11 and 4/5 numerals over the brass posts.
2. Route the clock power cords to the left, right, or center position. For right or left routing, remove the dual mount
bracket cover and thread the cord through the clearance hole in the bracket. Lift the power cord out of the way,
then slide the bracket cover back onto the dual mount bracket.
Step 2: Mount bracket kit to wall or ceiling
1. Measure and drill holes into the wall or ceiling to align with the mounting plate hole spacing measurements.
Page 11

2. Attach the mounting plate to the wall or ceiling using the provided anchors and screws.
3. Slide the assembled dual clock bracket over the four tabs on the mounting plate. A tap with a rubber mallet on the
clock bracket may be required to seat the clock bracket assembly fully into place.
4. Examine the mounting plate to ensure the bracket is fully engaged. The small hole in top side of the mounting plate
should be visible and fully exposed. To increase the security of the clock assembly, a common screw may be
inserted into the hole and screwed into the wall.
5. Route the power cords as desired and apply AC power. The clocks set to the correct time after they receive a valid
time signal from the system Transmitter.
Page 12

Install 16" dual-sided Analog Clock
A dual-sided analog clock consists of two analog clocks and a dual clock kit. Using the kit you combine two clocks to
create a dual-sided clock, which can be either ceiling or wall-mounted.
Sites with more than one Transmitter: It's very important to only insert a clock's batteries at its permanent install
location.
Dual clock kit contents
(1) Dual mount bracket
(1) Mounting plate
(4) #6 x 1/2 inch long screws
Screws and anchors supplied with each clock are included in the order packaging.
Assemble and install a 16" dual-sided clock
1. At the installation location, measure and drill holes into the wall or ceiling to align with the mounting plate hole
spacing measurements.
2. Fasten a supplied #6 x 1/2 inch long screw to each mounting post located on the backside of each clock, leaving a
1/8 to 3/16 inch gap between the screw head and mounting post. It's recommended to have a four channel
separation between adjacent Transmitters.
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3. Apply power to each clock. Battery-powered model: insert batteries. Electric powered model: route power cords
through the bracket opening and complete electrical connection.
4. For each clock, place the clock into the bracket housing with the 10/11 and 4/5 numerals over the clock-lock tab
and rotate clock clockwise to lock into place. The screws fastened to the clock mounting posts lock into the
housing clock-lock tabs.
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5. Slide the assembled bracket over the four tabs on the mounting plate. A tap with a rubber mallet on the dual mount
bracket may be required to set the bracket assembly fully into place.
6. Examine the mounting plate to ensure the bracket is fully engaged. The small hole in top side of the mounting plate
should be visible and fully exposed. To increase the security of the clock assembly, a common screw may be
inserted into the hole and screwed into the wall.
Page 15

Install dual-sided slim metal series Analog Clock
A dual-sided analog clock consists of two analog clocks and a dual clock kit. Using the kit you combine two clocks to
create a dual-sided clock, which can be either ceiling or wall-mounted.
Sites with more than one Transmitter: It's very important to only insert a clock's batteries at its permanent install
location.
Dual Clock Kit contents
(1) Mounting plate
(4) Long screws
(4) Wall anchors
Assemble and mount dual-sided clock
1. Secure the mounting plate to the wall or ceiling with the four long screws, paying attention to the "up” arrow, at the
location you will be hanging the clock.
2. Remove one clock from the bracket by removing two of the four factory installed screws. With the dual clock at
on a soft surface to protect the lens and bezel, remove the two top screws and lift the top clock off of the dual
mounting bracket.
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NOTE
It may require some force to remove the top clock because, in addition to the screws, the clocks are
also held in place by magnets.
3. Set each clock using method detailed on the setup instruction sticker on the back of each clock.
4. Once the clocks are set (with batteries inserted), orient the clock face so that the 12 is in the correct position for
your mounting option.
NOTE
Clocks are shipped in correct position for wall mounting. If ceiling mount is required, both clocks
must be removed and rotated within the bracket.
5. Align one of the posts on the back of the clock with the appropriate post in the bracket, next to a clip. Make sure
that the raised portion of the clip next to the post is inside the bracket.
6. Lower the clock down on the bracket, keeping all clips inside ring. Press down to seat the clock in bracket. Secure
with the two screws removed previously, in same holes in bracket (over screws holding other clock in place.)
7. If necessary, use the four additional screws included in the package to cosmetically plug holes in bracket.
8. Check to make sure that the 12 o’clock position is oriented to read correctly from both sides of the clock.
9. Taking the fully assembled dual clock, line up the base (stem) of the clock with the plate that is mounted on the
wall. Slip the keyhole slots on the back of the base over the posts on the plate and push the clock down to secure.
Page 17

Remove Analog Clock from clock-lock mount
Follow the illustrated steps below to remove an analog clock that has been mounted using the clock-lock feature.
Page 18

Remove Analog Clock from dual mount bracket
This procedure is commonly performed to replace clock batteries.
1. Place your hands at the 10/11 and 4/5 positions.
2. Turn each clock counter clockwise to unlock the clock housing from the twist-lock mount.
3. Reassemble clocks to bracket.
Place clock in the housing with the 10/11 and 4/5 numerals over the brass posts.
Place your hands at the 10/11 and 4/5 positions and turn the clock clockwise to lock into place.
Page 19

Replace Analog Clock batteries
When the batteries of an Analog Clock need to be replaced its second hand advances and pauses continuously
(stepping), instead of one second at a time until the batteries are replaced. The clock may display the correct time, but
the batteries should be replaced promptly to restore normal operation. The stepping pattern continues until its batteries
are replaced.
The battery life of an Analog Clock is over four years with use of high-quality alkaline batteries. Therefore, it's important
that fresh, superior-quality batteries are used with an expiration date that exceeds ve years past the current year.
1. Remove its batteries.
2. Stretch the battery tabs in the battery holder out slightly to apply more pressure to the battery contact,
3. Insert two new alkaline batteries into the battery housing. It's important to insert the batteries with the battery ‘+’
end to ‘+’ end of the battery holder to achieve proper battery orientation.
The clock automatically searches for a time signal and resets its time.
Page 20