Specifications

Section-2 Installation
November 11, 2013
2‐10
Copyright©2013,HarrisBroadcast
WARNING:Disconnectprimarypowerpriortoservicing. 888‐2628‐300
Figure 2-1 Customer I/O Pump Module and Interlock Connector on Transmitter
Caution
SOME MAXIVA ULX TRANSMITTERS WILL NOT SUPPORT A WATER
COOLED TEST LOAD USING WATER SUPPLIED BY THE ULX PUMP
MODULE. IN THOSE CASES ONLY AIR COOLED TEST LOADS SHOULD BE
USED.
2.8 TransmitterACConnection
RefertotheoutlinedrawingtopviewfordetailsonACinputstotopofcabinet.
Note
AC Connections will be similar across all cabinets in multi-cabinet transmitter models. Be sure to verify
all connections using the correct schematic drawings.
Warning
DISABLE AND LOCK OUT STATION PRIMARY POWER BEFORE PRIMARY POWER
CABLES ARE CONNECTED TO THE EQUIPMENT.
Caution
WHEN CONNECTED TO A 380-415VAC 3 PHASE WYE POWER
CONFIGURATION, NEUTRAL CURRENT CAN BE EQUAL TO OR EXCEED
PHASE CURRENTS DUE TO SWITCH MODE POWER SUPPLY HARMONICS.
ENSURE NEUTRAL CONDUCTOR IS PROPERLY SIZED AND THAT ALL
LOCAL REGULATIONS ARE MET.
Note
The Maxiva ULX cabinets can use the following AC Mains configurations assuming the jumpers in the PA
module backplanes and in AC distribution panels are properly configured at the factory:
• 208‐240VAC,3phaseDeltaorWye
• 380‐415VAC,3phaseWYE,withneutralwire
Note
If a 440-480VAC, 3 phase Delta AC supply is to be used, a step-down transformer is required.
Module
Pump
Interlocks