Harris Atlas DVL400, Technical Manual

Page: 37 / 180

2/25/03 888-2473-001 2-7
WARNING: Disconnect primary power prior to servicing.
Section 2 Installation / Initial Turn-On
ATLAS Series™
If there is a temperature overload switch on the test load, (as would be the case
for an air cooled load) it should be connected to J18-11 and J18-12.
This will
mute the transmitter rf output if the test load temperature threshold is exceeded. A
closed contact is required to operate the transmitter. A jumper is installed at the
factory which must be removed to use this input.
For the DVL 4300 and DVL 5700only, connect the cabinet combiner reject
load coolant flow switch.
The DVL 4300 and DVL 5700 use a liquid cooled reject
load for the cabinet combiner. The flow switch connection, as shown on drawing
#843-5550-218, will mute the transmitter rf output if there is no coolant flow
through the reject load. Specified wire is 7-2-4C, 4 conductor cable. A closed
contact is required to operate the transmitter. Some switches may also use +15V and
ground. The connections are as follows:
•
J18-11 to flow switch terminal 1 (common)
•
J18-12 to flow switch terminal 3 (N.O.)
Depending on the switch the following may also be required:
•
J11-1 (+15Vdc) to flow switch terminal 2 (+DC)
•
J11-6 (ground) to flow switch terminal 4 (-DC)
2.6 Transmitter AC Connection
For Conduit connections to the transmitter refer to Figure 2-1 or the Transmitter
Outline Drawing 843-5550-136 (or 843-5550-173 for DVL 4300 & DVL 5700),
Top View.
!
WARNING:
DISABLE AND LOCK OUT STATION PRIMARY POWER BEFORE PRIMARY
POWER CABLES ARE CONNECTED TO THE EQUIPMENT.
NOTE:
The 3 phase version of the Atlas transmitter uses a stepdown transformer for
all single phase loads in the transmitter, therefore no neutral connection is
required in the cabinet.
DO NOT run a neutral connection to the transmit-
ter as there is no connection point and the neutral should not be con-
nected to the cabinet ground.
A safety ground wire is required and connects
to E10 which is shown in Figure 2-2 on page 2-9.