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Section 3. INSTALLING
Keypads That May Be Used
Wiring To The Keypads
Wiring Run Chart For Devices* Drawing Aux Power From
Wire Size
#22
#20
#18
#16
*
Includes Keypads, RF Receivers, Zone Expander/Relay Units, or FA4285 Phone Module.
This section lists the wired keypads that may be used and provides
instructions for wiring and mounting the keypads.
A preliminary check-out procedure is also provided to ensure that the
connected keypads are functioning properly in the system.
¥ Fixed-Word Display: FA210KP, FA250KP
¥ Alpha Display: FA550KP, FA450KP
¥ Up to 4 keypads in each partition (total of 8 in the system), independent of
auxiliary power considerations (you may need to use an auxiliary power
supply if the 600mA aux. output is exceeded)
Make sure that keypads are set to the non-addressable mode (address 31).
1. Determine wire gauge by referring to the wiring length/gauge chart
below. Wire lengths/gauge for Partition 2 keypads should be determined
separately from those keypads connected to Partition 1.
For devices (Keypads, RF Receivers, Zone Expander , etc.) connected to a
single 4-wire run, determine the current drawn by all units connected to
the single wire run, then refer to the Wiring Run chart to determine the
maximum wire length that can be safely used for each wire size. Current
draw for all devices can be found in the SPECIFICATIONS AND
ACCESSORIES section.
Note: Refer to ÒAuxiliary Device Current Draw WorksheetÓ in the
FINAL POWER UP section for current draw for all keypads.
Maximum wire lengths for any device that is homerun to the control can
also be determined from the chart, based on the current draw of that device
alone.
The Control (12V+ & 12VÐ)
TOTAL CURRENT DRAWN BY ALL DEVICES CONNECTED TO A SINGLE WIRE RUN
50 mA or less
100 mA
Ê 500 ft (152m)
250 ft (76m)
Ê 750 ft (228.6m)
380 ft (116m)
1300 ft (396m)
650 ft (198m)
1500 ft (457m)
1000 ft (305m)
The length of all wire runs for both partitions combined must not exceed
1500 feet (457m) when unshielded quad conductor cable is used (750 feet if
shielded cable is used). This restriction is due to the capacitive effect on the
data lines when quad cable is used.
2. Run field wiring from the control to the keypads (using standard 4-
conductor twisted wire cable using the wire gauge determined in step 1).
–14–
REMOTE KEYPADS
300 mA
500 mA
Ê80 ft (24m)
ÊÊÊ50 ft (15m)
130 ft (39.6m)
ÊÊÊ80 ft (24m)
220 ft (67m)
Ê130 ft (39.6m)ÊÊ 115 ft (35m)
330 ft (100.5m)
Ê200 ft (70m)
600 mA
ÊÊ42 ft (13m)
ÊÊ67 ft (20.4m)
170 ft (52m)
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