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Section 17: FINAL POWER-UP PROCEDURE
This section provides the following information:
•
Connecting the AC transformer
•
Installing the backup battery
•
Making good earth ground connections
•
Backup battery calculations
Connecting the AC Transformer
Use the Ademco 1451 transformer with enclosure (supplied) with the VISTA-100
control when the PS24 Power Supply will not be used. This transformer provides
18 VAC/72 VA secondary winding for powering the control. Use the 1451-24
transformer to power the VISTA-100 control and the PS24 Power Supply module
when the PS24 is being used. This transformer provides an 18VAC, 72VA
secondary winding for powering the control and a 30VAC, 188VA secondary
winding for powering the PS24. The control panel kit that you purchased will
come with the appropriate transformer. Both transformers have a manually
resettable circuit breaker mounted inside a protective metal enclosure.
Follow the instructions below for mounting the enclosure and for wiring the
18VAC winding of either transformer. Follow the instructions provided with the
PS24 for wiring the 30VAC winding of the 1451-24 transformer.
Before connecting the AC transformer, connect all zone, polling loop, keypad,
auxiliary device and bell circuit wiring. Mount and wire the 1451 transformer as
follows:
1.
Remove the front cover of the enclosure.
2.
Mount the enclosure to the wall near the VISTA-100 panel. The enclosure
has 4 mounting holes on its back surface for this purpose.
3.
Run 120VAC wiring to the enclosure in conduit.
A dedicated circuit must
be used. Use wire nuts to splice the 120VAC wires to the transformer’s white
and black primary leads. Connect the earth ground post on the back of the
enclosure to a good earth ground (see
EARTH GROUND CONNECTIONS
below).
4.
Use wire nuts to splice the transformer blue 18VAC secondary leads to
16AWG wire which is run in conduit to the panel. These wires are connected
to panel terminals 1 & 2.
1.
Use wires having insulation rated for at least 90
°
C operation and suitable for
non-power limited applications.
2.
Use care to keep 18VAC wiring separated from all other wiring inside the
panel’s enclosure. This must be done by running non-power limited 18VAC
wiring into the panel’s enclosure via one of the knockouts on the left hand
side of the enclosure, and then tie wrapping these wires to the tie wrap loops
located near the knockout.
5.
Replace the front cover of the enclosure and fasten with the screws supplied.
A few seconds after power is applied to the control, the keypad should display
"DISARMED...READY TO ARM." If there is no keypad display, check that the
1451 transformer is supplying proper voltage to the panel (about 17-19.5VAC
when the power line voltage is 110-120VAC).
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Содержание VISTA-100
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