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F220 Series | Installation Instructions | 6.0
Table 10: Interconnected Units (five units total)
Maximum Wire Length
Wire size
18 AWG (1.2 mm)
16 AWG (1.5 mm)
14 AWG (1.8 mm)
Up to five interconnected units activate per
circuit. If more than five units activate, only
individual detectors are guaranteed to
activate the correct output pattern. Tandem
units cannot activate the correct output
pattern.
6.0 Testing the installation
1. Check the wiring from the control panel to the last
head on each run for proper polarity and
continuity.
2. Make sure each run terminates with an EOL
resistor as specified by the control panel
manufacturer.
3. Make sure four-wire runs terminate at EOL
Modules or F220-B6E bases.
4. Apply power to the system. Check for alarms and
troubles.
5. Note which detectors alarmed (if any), and shut
down the system.
6. Remove these detectors from their bases and
recheck the bases for proper wiring.
7. If the problem persists, determine if the problem is
caused by the detector or the base.
8. Replace the affected detectors or swap them with
known good units.
9. If a system alarm occurs with no detector alarms
present, remove all detectors and check the wiring
at each base.
10. Closely check the wiring of each EOL resistor and
EOL module.
11. When the system is alarm free, check each detector
to ensure that the green LED indicator flashes
approximately every eight seconds. This verifies
the detector is receiving power and operating
properly.
If the heat detector LED flashes at a four
second rate, the detector is either cold, out
of sensitivity range, or defective. If the
smoke detector LED flashes at a four
second rate the detector is out of
sensitivity range or defective.
Bosch Security Systems | 8/05 | 4998138694D
Testing the installation
Wire length
300 ft (91 m)
450 ft (137 m)
750 ft (229 m)
12. Test each detector to ensure it causes a control
panel alarm. Reset the control panel after each test.
To alarm the F220-135/135F/190F Detectors either:
•
Place a magnet horizontally against the "T" and
hold it there for three consecutive LED flashes (see
Figure 1, #4). This activates an internal reed switch
thereby sending an alarm signal.
or
•
Expose the thermistor (see Figure 1, #3) to a heat
source such as a hair dryer or a shielded heat
lamp. Expose the thermistor until the detector
alarms and the alarm LED lights.
To alarm the F220-P/PTH/PC/PTHC Detectors either:
1. Place a magnet horizontally against the "T" and
hold it there for three consecutive LED flashes (see
Figure 1, #4). This activates an internal reed switch
thereby sending an alarm signal.
or
Use a UL Listed aerosol smoke detector tester to
simulate an alarm. Follow the instructions provided
with the aerosol smoke detector tester.
When a detector alarms, the red LED
indicator activates and latches into the ON
position. Clear the alarm before proceeding
to the next detector.
2. Reset the detector by momentarily removing
power.
3. Check the load on the alarm loop by measuring
the voltage across each EOL resistor. This voltage
should equal or exceed the minimum specified by
the control panel manufacturer.
6.1
CO detector testing
Removing the detector or resetting the detector's
power places the detector in a special test mode for the
next 15 minutes. If over 35 ppm of CO is applied to
the detector within this 15-minute period, the detector
alarms.
The F220PC and F220PTHC detect CO
as a component of a fire. Do not use the
F220PC and F220PTHC as CO detectors.
EN | 10
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