Installation Instructions cont'd

TM 5-6350-262-14/5

NAVELEX 0967-466-9050

TO 31S9-4-38-1 Chg 3

(9) Perform the following steps to gain

CAUTION

access to power supply access cover

When

installing

performing

screws on power supplies serial

maintenance or checkout on the Control

numbered 0001 through 0059:

Unit take care to ensure that the test

points on the Status Processor circuit

cards are never inadvertently grounded.

(a) Loosen inboard terminal screw at

When taking voltage measurements with

TB2-4 and remove two spade lugs.

a voltohmmeter ensure that the meter is

(b) Loosen inboard terminal screw at L2-

set to the proper voltage range before

3 and remove one spade lug.

plugging a probe into a test point.

(10) Remove four screws (11, figure C-1),

four lockwashers (12), and power supply

b. Perform the following steps to install the control unit.

access cover (13).

CAUTION

WARNING

Steps 2 and 3 of the following procedure

A 115-volt ac potential may cause death

should be performed by two persons to

under certain conditions; therefore,

lessen the possibility of personnel injury

precautions should be taken at all times.

or damage to equipment due to

If possible, turn off and tag the 115-volt

accidentally dropping the equipment.

ac power source to the control unit

(1) Unlock and open control unit door.

before installing this equipment.

(2) Hold control unit in mounting

(11) Make sure 115-volt facility power

position on the wall. Using the control

source for control unit is off. Connect

unit mounting holes (see fig. 2-1) as

115-volt ac 60-Hz power and an adequate

guides, mark the four places for

ground to terminal board TBI. (See fig.

installation of mounting fasteners.

FO-1).

(3) Install control unit on wall.

12) Replace spade lugs removed in (9)

above.

NOTE

(13) Turn on 115-volt power to control

The lower portion of the two upper

unit.

mounting holes is larger than the head of

(14) Check control unit for proper

any type fastener which might be used.

operation in accordance with paragraph

This allows partial installation of the two

7-24.

upper fasteners prior to lifting the

control unit into position.

NOTE

(4) Make a thorough inspection of the

The control unit is shipped with orange

enclosure interior for metal particles and

jumper wires installed between terminals

other foreign matter resulting from

1, 2, and 3 of terminal boards A through

cutting access holes and installation.

F, and between terminals 8 and 9 on

(5) Clean interior if necessary.

terminal board S. These jumper wires

(6) Place POWER switch (fig. 3-1) to

are required when the respective sensors

OFF.

are not used and for performing tests.

When not in use, they should be stored

WARNING

in the bottom of the control unit.

Do not install battery without first

Entrance (ingress) and exit (egress) time

recharging and testing in accordance

delays

are

set

minimum

with instructions given in chapter 7. To

(approximately 10 seconds) at the

do so may create a safety hazard.

factory.

(7) Set emergency power battery in

(15) If applicable, adjust entrance and

bottom of control unit enclosure with

exit time delays in accordance with

positive (red) terminal on the left side.

paragraph 7-22.

(8) Connect the two battery wires.

(16) Place POWER switch to OFF.

(17) Complete installation of system

NOTE

interconnecting conduit and wiring. (See

The battery wire terminals and battery

figure 1-3 for terminal board location and

terminals are mechanically polarized to

figure 6-1 for input/output functions.)

prevent incorrect installation.

(18) Replace power supply access cover.

(Refer to (9) and (10) above.)

Change 3

2-4