3–1
S E C T I O N 3
PC Board Mounting
• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •
Mounting the Control Board
Before mounting the printed circuit board, be certain that the appropriate metal knockouts
have been removed. DO NOT ATTEMPT TO REMOVE THE KNOCKOUTS AFTER THE
CIRCUIT BOARD HAS BEEN INSTALLED.
1. Hang the three mounting clips on the raised cabinet tabs. Observe proper clip orientation
to avoid damage to the clip when mounting screws are tightened and to avoid problems
with insertion and removal of the PC board.
2. Insert the top of the circuit board into the slots at the top of the cabinet. Make sure that
the board rests in the slots as indicated in the diagram below.
3. Swing the base of the board onto the mounting clips.
4. Place the washer provided over the wire jumpers located within the middle of the PC
board. Secure the PC board to the middle mounting clip of the enclosure through the
washer, using the screw provided.
5. Secure the remaining sides of the PC board to the enclosure, using the screws provided.
DETAILED SIDE VIEW
OF BOARD INSERTED
INTO SLOTS
DETAILED SIDE VIEW
OF CLIP AND BOARD
INSTALLED
B
A
DETAILED SIDE VIEW
OF CLIP INSTALLATION:
A. CABINET TAB
WITHOUT CLIP
B. CABINET TAB
WITH HANGING
CLIP
3rd CLIP
REQUIRED
PC Boa
rd
KNOCKO
UT
Metal Cabine
t
ZR-401 R
F
RECEIVE
R
ANTENNAS
INSERT IN
RIGHT-HA
ND
TERMINAL
S
GROU
ND
TERMINAL
S
RCVR BOARD
CABINET
ANTENNA AND
GROUNDING LUG
INSTALLATION
ANTENNA
SCREW
GROUNDING LUG
NOTE: The front face (door) of the enclosure can be completely removed to gain unrestricted
access to the control panel during installation. To remove the door:
1. Open the door to its fully extended position (approx. 90 degrees)
2. Lift the control panel door to remove it from the enclosure.
Summary of Contents for XL-20
Page 9: ...XL 20 Hookup and Installation Instructions 1 2...
Page 19: ...XL 20 Hookup and Installation Instructions 4 2...
Page 23: ...XL 20 Hookup and Installation Instructions 5 4...
Page 33: ...XL 20 Hookup and Installation Instructions 8 4...
Page 63: ...XL 20 Hookup and Installation Instructions 11 4...
Page 65: ...XL 20 Hookup and Installation Instructions 12 2...
Page 71: ...XL 20 Hookup and Installation Instructions A 6...
Page 75: ...XL 20 Hookup and Installation Instructions B 4...
Page 77: ...XL 20 Hookup and Installation Instructions C 2...
Page 79: ...XL 20 Hookup and Installation Instructions D 2...
Page 81: ...XL 20 Hookup and Installation Instructions E 2...
Page 82: ...Notes...
Page 83: ...1 9 Gl N9825V1 04 98 Copyright 1998 PITTWAY CORPORATION...