5
AA800EZe rev.04
AA800EZe
1.4. Connecting the Equip-
ment
Electrical knockouts are located on the bot-
tom of the enclosure for running the cables.
Use a screwdriver and a hammer to punch
out the holes. Additional holes made in the
enclosure will void the warranty.
Strip the wires as little as possible (about
1/4”) to avoid electrical shorts. Once they
are connected, run them through watertight
nylon cable glands at the bottom of the
enclosure.
All wiring must be done by an autho-
rized electrician and must comply with
applicable codes, laws and regulations.
Be sure power is off before doing any
wiring to avoid electrical shocks and
equipment damage.
Do not install rigid conduit into electrical
knockouts. Only nylon cable glands are
permitted for cable or wire fastening.
Removable Circuit Card : The terminal blocks
of the Agri-Alert are mounted on a removable
card. Removing the card from the bottom
board makes the system easier to connect.
In order to take it out from bottom board,
gently pull upward on the plastic loop; to
put the card back in place, align the metallic
guide of the bottom board with the hole in
the terminal card and then push the circuit
card all the way down.
Hole to align the
metallic guide
Plastic loop
Before making the connections, pass the
wires through an hermetic cable holders
at the bottom of the enclosure.
1.4.1. Sensors
The terminals used for sensor inputs are
numbered Z1, Z2, Z3, etc. on the removable
card. Connect each sensor to a Z terminal and
to the ground terminal (COM). Note that each
“COM” terminal is used by two zones; for
example, Z1 and Z2 share the same “COM”
terminal. Make sure each sensor is connected
to the proper “COM” terminal. False alarms
can result if the ground wires are not properly
connected.
Zone 1
Sensor
Zone 2
Sensor
Zone 3
Sensor
Zone 4
Sensor
1.4.2. AC Power Connection
The terminals marked 16VAC on the main
board are used for connecting the transform-
er. The transformer provided with the system
is a 16.5VAC/40VA transformer. It must be
plugged into a 120VAC 50/60Hz outlet. Make
sure the power source is unswitched (i.e.
there is no switch on the power outlet).
1.4.3. Backup Battery Connection
The Agri-Alert system uses a rechargeable
8.4V battery Ni-MH 2300 mAh (part number
112-00007). No other type of battery can be
used. Plug the battery pack’s male connec-
tor to the female socket located on the main
board inside the enclosure. See Appendix B
for normal battery life spans.
Battery Pack
Battery Connector
1.4.4. Siren Output
Connect the siren to the SIREN terminals on
the removable circuit card. The voltage sup-
plied is 12VDC with a maximum current of
1A. Note that the battery must be hooked up
if a siren is used.
Make sure the positive wire is connected to
the positive terminal of the siren. The siren
circuit is monitored by the Agri-Alert system
for defects and wire troubles. This may not
work properly if the impedance of the siren
is too high. If this is the case, you can add a
1.5KOhm resistor (1/2W) to the siren circuit
as close to the siren as possible.
If no siren is used, connect a 1.5KOhm 1/2W
resistor between the positive and negative ter-
minals of the sire n or disable the siren monitor-
ing function as explained in section 3.5.
1.4.5. 12VDC Output
The terminals marked 12VDC
provide 12VDC with a maxi-
mum current of 500mA. This
output can be used to power
other accessories such as
temperature controllers or the
Agri-Alert wireless module
(WM-3000). In case of power
failure, the battery back-up
provides 12VDC to this line.
12VDC
+
-
+
-
12 VDC
Device
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