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Siemens FS-250-ENCL/-R Installation Instructions

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INSTALLATION INSTRUCTIONS
Models FS-250-ENCL/-R
Enclosures for FS-250
(For indoor use only in dry protected environments)
CAUTIONS
It is recommended that the printed circuit boards be
removed for any procedure that may cause dust,
metal shavings, grease or any such matter that may
affect the circuit boards and/or parts. There may be
several sources of power into the control unit. Each
source must be disconnected prior to installing or
removing modules, connecting or disconnecting
wiring, and programming jumpers.
CONTROL UNIT LOCATION
The control unit should be located near an exit at
ground level, where the normal ambient temperature
is maintained within the control unit specification. The
unit should be in an area that is free of dust, vibra-
tion, moisture and condensation. Any auxiliary
battery box or other accessory not connected
through a protective device or a circuit designed for
remote connection must be within the same room
and connected through electrical conduit.
INSTALLATION
The enclosures must be fastened securely to a
clean, dry, shock-free, and vibration-free surface.
Consider the following when mounting the box.
• Mounting height for visual and manual access to
the Display Board
• Weight and size of backbox
• Local mounting codes
When mounting the backbox, position the backbox
clear of obstructions so that the door can open freely and
so that indicators and controls are easily accessible.
The fire alarm control unit must be mounted in a
properly accessible location as required by applicable
codes. Any auxiliary battery box or other accessory
not connected through a protective device or a circuit
designed for remote connection must be within the
same room and connected through electrical conduit.
Installation is to be done only by qualified personnel
who have thoroughly read and understood these
instructions. The fire alarm control unit must be
mounted in a properly accessible location as required
by applicable codes.
Siemens Industry, Inc.
Building Technologies Division
Florham Park, NJ
P/N 315-648952-7
Install the backbox:
1.
Select a clean, dry, shock and vibration free
surface.
2.
Position the backbox clear of obstructions so that
the front door opens freely and the controls and
indicators are easily accessible.
3.
Mark the locations of the two upper mounting
bolts of the backbox on the wall.
Note: There are two key-shaped cutouts on the
top of the backbox. Make sure the end with the
two key-shaped cutouts is on top when installing
the backbox.
4.
Drill the two holes located in the previous step
and screw in the top bolts, leaving a small gap
between the wall and each top bolt.
Note: The screw type and length must be able to
support the control unit, options and battery set.
You may need a different screw type, depending
on the wall material.
5.
Place the backbox over the two top bolts and
allow it to slide down over the bolts.
6.
Mark, drill, and install the two bottom bolts in the
backbox.
7.
Tighten all four bolts securely against the back
wall of the backbox.
8.
The PAD-3 Auxiliary Power Supply or battery
enclosure may be mounted immediately below
the main enclosure, close nipple, allowing a
minimum of 1 inch in between the enclosures for
clearance between the doors. Keeping the wire
run to the control unit short will keep the voltage
drop to a minimum.
9.
If a semi-flush mount installation is desired, for the
FS-250 use the FS-SFT/-R Semi-flush Trim Kit.
The back-box can be mounted up to 3 1/2 inches
into the wall. Place the semi-flush trim around the
back-box and affix to the wall with four #10 x 3/4
inch wood screws (provided with trim).
Note: You may need a different screw type,
depending on the wall material.
PAGE 1 OF 4

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   Summary of Contents for Siemens FS-250-ENCL/-R

  • Page 1

    INSTALLATION INSTRUCTIONS Models FS-250-ENCL/-R Enclosures for FS-250 (For indoor use only in dry protected environments) CAUTIONS Install the backbox: Select a clean, dry, shock and vibration free It is recommended that the printed circuit boards be surface. removed for any procedure that may cause dust,...

  • Page 2

    Note: For semi-flush installations, if the PAD-3 If energy limited cable or equivalent is not used Auxiliary Power Supply or a battery enclosure is within the FS-250 enclosure, then the following required, it may be mounted immediately above guidelines do not apply. In that case, be sure to or below the main enclosure, close nipple, follow standard wiring practices.

  • Page 3

    3 1/2” 21 1/8” 5 1/4” BOX 18” DOOR 18 3/8” 18” SILENCED ALARM ALARM PRE- ALARM SUPERVISORY TROUBLE AC POWER SILENCED ALARM ALARM PRE- ALARM SUPERVISORY TROUBLE AC POWER ACKNOWLEDGE ACKNOWLEDGE ALARM SILENCE SYSTEM RESET ALARM SILENCE SYSTEM RESET 25 1/8”...

  • Page 4

    Siemens Industry, Inc. Building Technologies Division Florham Park, NJ P/N 315-648952-7 PAGE 4 OF 4...

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