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Revision13 — 02-20-2001
FTB 312 and FTS 316
is the photocell, or its wiring, or troubleshoot
the circuits in the erroneously operating
power converter.
5. Reconnect all wires.
During daylight, completely block light from
entering the photocell. If the system does not
enter night mode after a few minutes, replace the
photocell. At night, shine a light on the photocell,
if the system does not enter day mode after a few
minutes, replace the photocell.
Component Removal and
Replacement
Component location diagrams are provided in Fig-
ure 4-1, through Figure 4-6 in Section 4 — Recom-
mended Spare and Replaceable Parts. Internal
electrical wiring diagrams are provided in Section
2 and on the Information Card that is fastened
inside the power converter cover.
Note the location and color of all wires that you
disconnect. When you replace the wiring after you
replace the components, ensure that the wiring
conforms exactly to the wiring diagrams.
The general procedure for removing components
is a logical one and is as follows:
1. Obtain access to the component in ques-
tion:
a. Disconnect completely or partially the
wiring to components first that pre-
vent clear access.
b. Completely remove or relocate these
components.
3. Disconnect the wiring to the component
that you want to replace.
4. Remove this component.
5. Replace everything in the reverse order:
first the component, then the wiring, then
the components that allowed you access. In
some cases, you may have to place some
wires on the component before you fasten it
in place, then replace the remaining wires.
Most components are relatively easy to access for
removal. Only those that are more difficult are
described.
Power Converter
Capacitors
Before removing or replacing a capacitor always
ensure it is discharged by checking with a voltme-
ter directly across the terminals. Discharge a
capacitor by placing a resistance (25 watts/10,000
ohms or greater) between its terminals. Direct
shorting may damage the capacitor, and connect-
ing the terminals to the equipment chassis may
fail to discharge it.
Remove the fuse for this procedure to prevent
accidental application of power if the interlock
switch is inadvertently depressed.
Removal
1. Disconnect the wires leading to capacitors.
2. Remove the hold-down screws.
3. Lift the capacitors from their receiving holes.
Replacement
1. Reverse the removal procedure.
2. Verify that wiring is in accordance with the
wiring diagram on the Information Card.
Wires must be replaced exactly as removed. In
some instances, a quick-connect wire terminal
does not seat properly if it is not placed on the
terminal cluster exactly as it was before
removal. This occurs by interference between
the insulation on the wire terminal and the
insulation surrounding their terminal cluster
on the capacitor. FTCA recommends that you
lightly squeeze the quick-connect wire termi-
nals with pliers before reinstalling them over
the capacitor terminal blades.
Содержание FTB 312-3
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Страница 17: ...FTB 312 and FTS 316 Revision13 02 20 2001 1 9 474031 Figure 1 2 PCB1 Pictorial 24740xx ...
Страница 18: ...1 10 Revision13 02 20 2001 FTB 312 and FTS 316 474732 Figure 1 3 PCB1 Pictorial 24747xx ...
Страница 25: ...FTB 312 and FTS 316 Revision13 02 20 2001 2 7 FHMO Figure 2 2 Flashhead Mounting and Outline ...
Страница 26: ...2 8 Revision13 02 20 2001 FTB 312 and FTS 316 PEC510MO Figure 2 3 Photocell Mounting and Outline ...
Страница 27: ...FTB 312 and FTS 316 Revision13 02 20 2001 2 9 FIV1100MO Figure 2 4 Inverter Mounting and Outline ...
Страница 36: ...2 18 Revision13 02 20 2001 FTB 312 and FTS 316 FIV1100IW Figure 2 13 FIV 1100 Typical Installation Wiring ...
Страница 37: ...FTB 312 and FTS 316 Revision13 02 20 2001 2 19 FIV2000IW Figure 2 14 FIV 2000 Typical Installation Wiring ...
Страница 38: ...2 20 Revision13 02 20 2001 FTB 312 and FTS 316 ALRM2 Figure 2 15 Recommended Alarm Relay Wiring Protection ...
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Страница 70: ...4 8 Revision13 02 20 2001 FTB 312 and FTS 316 PEC510CL Figure 4 7 PEC 510 Photocell ...
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