Random Check on zones
General Notes
Global polling devices (such as 5192 or 998mx) MUST
be set in serial number mode on any panel that supports
serial number polling loop devices.
a. These devices have the ability to operate in either dip-switch or serial mode, but
MUST
b. Failure to do this will cause problems on these zones as well as other polling loop zones.
be set for
serial mode on all panels that support serial (all current panels).
c. The 998MX must have dip switches 1-7 OFF and the jumper JP1 cut all the way off at the base.
Smoke Maintenance Feature
When using the 5192 Smoke Detector on a panel that does not support the Maintenance feature, it must remain
disabled on the detector by leaving dip switch 8 ON.
a. Smoke detectors with the maintenance feature enabled must be enabled as “Smart Contact” in
programming.
b. Maintenance signals may only be used on devices operating in serial mode. (All panels that
support maintenance also use serial mode).
c. Failure to follow these rules will cause problems on these zones as well as other polling loop
zones.
d. The 5193 series smoke detectors Maintenance feature is always on and cannot be disabled. This
will not affect panels that do not support the feature, but if the panel does support this feature then
it must be enabled per that zone.
e. When using the Maintenance Feature 1*77 must be on to log the first maintenance signal.
i. The panel must accumulate a total of 6 ‘out’ of calibration samples in order for the panel
to log it.
ii. With 1*77 enabled, it will bypass this logic and log it on the first signal.
Polling Loop and Other Voltage Thresholds
The polling loop voltage should be fluctuating anywhere between 7-12VDC.
a. This should be tested at the panel and at the end of the line. If it is not fluctuating, you probably do
not have polling loop zones enabled, or your meter may not be sensitive enough to see it.
b. If you have voltage below 7 volts, confirm load (current draw and wire limits) on polling loop is
within specs.
c. Remove polling loop from panel and verify the voltage returns.
d. Add runs one at a time to find the one that is pulling down the voltage, and then break down that
run to find the cause of the voltage drain.
e. Also, confirm panel voltages as noted in above.
Basic Panel voltages: With a meter check: AC, auxiliary power, and battery (with and without AC).
Wiring
Verify that all wire runs are within specifications, twisted wire or shielded wire with one end of the shield to
ground, and not run near sources of induced noises. Realize that capacitance on the wire, not resistance, is our real
enemy. Consult
Page 7 for limitations.
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