Unit installation

INTRAC-305 INSTALLATION

Finally adjust R55 to read +20dB when the maximum clear

sky tracking signal is being received.

Note It may be necessary to adjust the links J31 depending on the

polarity of the tracking signal. The link options are both links

should be either vertical or horizontal.

OPERATIONAL CHECKS

Manual Operation This test checks the operation of the motor drives and limit

switches.

Ensure that all limit and interlock switches are in the normal

operating condition.

Switch on the INTRAC. If the System Alarm indicator

illuminates press the Standby key. If it remains illuminated

view the Show Alarms display to what is causing the alarm.

Take the necessary action to clear the cause(s) of the alarm.

Select Manual (P) Mode from the New Mode menu.

Using the Manual Control keys drive the antenna to the full

extent of its travel in each direction. Confirm that the antenna

actually moves in the required direction. Check that when a

limit switch is reached the motor stops and the System Alarm

indicator illuminates.

Note Only one Manual Control key should be pressed at one time

and it should be fully released before pressing another control

key.

If a Dual Speed Motor Drive Cabinet is fitted check that the

“FAST” key operates correctly. Pressing the “FAST” key

when pressing a Manual Control key should latch fast drive in

the required direction. Pressing any Manual Key when in

latched Fast Drive should have no effect. Pressing the Fast

key again should remove drive.

Emergency Stop Check Check the operation of the front panel Emergency Stop

switch by pressing it when one or more motor’s is running.

Ensure that the motor(s) stop and will not re-start until the

Emergency Stop switch is released and the and the

appropriate drive command re-instated.