August 1999
76-100016-001
PEGAsys
Intelligent Suppression Control/Fire Alarm System
5-2
5-4
REMOVAL AND REPLACEMENT
The following paragraphs provide required tools and step-by-step
replacement procedures for the
PEGAsys
. The procedures
should also be used to assist module and device installation.
CAUTION
Some components are subject to damage from
electrostatic discharge (ESD). These components
are not to be removed from their protective wrap-
pings until they are to be installed in their respec-
tive equipment locations, and then only by
personnel connected to earth ground.
5-4.1
Required Tools
The following tools will be required to perform the removal and
replacement procedures.
a.
Small Flat-Blade Screwdriver
b.
6" Flat-Blade Screwdriver
c.
No. 2 Philips Screwdriver
d.
Wire Striper
e.
Small Needle Nose Pliers
f.
Ground strap
5-4.2
Central Control Module
The following paragraph provides the step-by-step procedure for
replacing the CCM.
a.
Ensure all programming is saved using PCS software.
b.
Disconnect plugs from the I/O Port and RX/TX port, and PC
port (if connected to IIM)
c.
Remove the wiring from TB6.
d.
Remove the six mounting screws while holding the CCM in
place.
e.
Remove CCM from cabinet.
f.
Remove new CCM from packing and inspect for physical
damage.
g.
Install new CCM in the reverse order of removal.
5-4.3
RX/TX Module
The following paragraph provides the step-by-step procedure
for replacing the RX/TX module. Depending on the system con-
figuration refer to the appropriate Figure, 5-1 or 5-2.
Ensure that the RX/TX jumpers are set properly during the pro-
cedure. Verify that the settings of the jumpers on the RX/TX
Module conform to the wiring style of the system being installed.
The RX/TX is shipped from the factory programmed for Style 6
wiring style. Refer to drawing 06-235443-002, in Appendix I, the
installation drawing which shows the jumper locations on the
RX/TX module. The settings are used to set the wiring style ( 4, 6
or 7), with 7 being used with loop isolators. Jumpers on the RX/TX
Module are noted by JP x and Wx (x = a single digit) call-outs on
the module board. Table 5-2 lists the types of allowable configura-
tions you can select along with their respective jumpers.
a.
Disconnect plug from terminal T1.
b.
Remove the two mounting screws from the module and move
module to gain access to connected wiring.
c.
Remove the plug from the RS-232 port.
d.
Remove power plug from connector jack J1.
e.
Remove new RX/TX module from packing and inspect for
physical damage.
f.
Ensure jumper configuration is set.
g.
Install new RX/TX in the reverse order of removal.
Figure 5-1. Installation for Single Loop
Figure 5-2. Installation for Multi-Loop
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