User's Manual

Page 20
X75 SERIES - Mk3 Controller
INSTALLATION & OPERATING MANUAL
Manual No. x75mk3-11
x75-man-Rev11-0815.indd
12.0 INSTALLATION
The X75 can be mounted in either 19” or 23” racks by using the supplied brackets. Mount
it from the front of the rack using the correct offsets to align with existing rack-mounted
equipment. Once mounted in the rack the following connections must be made with the
unit switched off.
CAUTION:Re-readtheSafetyWarningsandPrecautionsin Section3.All power
shouldbeOFFfortheinputandoutputloadsbeforemakingconnections.Connection
oftheX75chassistoframegroundshouldbemaderst.IftheX75hasbeenturned
onbeforeinstallationconnections,itshouldbeturnedoffandgivena5-minutewaiting
periodforallinternalenergystoragecapacitorstobedischarged.
12.1 Input AC Power Connection
A 3-wire AC power line should be connected to the input IEC connectors but not
plugged into the AC power source. The line, neutral and ground connections should
be carefully observed when making the AC connections. The AC line cord should
be sized to safely carry 15 amperes AC each, minimum.
MODEL Vin AC Vout DC WATTS A @ 120Vac A @ 240Vac
RSJ48/12-Z 85-264 54.4 653 6.5 3.2
RSG48/10-Z 85-264 54.4 550 5.4 2.7
RSF48/7-Z 85-264 54.4 400 4.0 2.0
RSG24/18-Z 85-264 27.2 500 5.0 2.5
RSF24/13-Z 85-264 27.2 350 3.5 1.7
RSG12/33-Z 85-264 13.6 450 4.4 2.2
RSF12/22-Z 85-264 13.6 300 3.0 1.5
Note: ratings given are at nominal voltage for sizing breakers. Label rating may be greater.
Figure10-InputCurrentRatings
12.2 CheckingOutputs
Turn all output circuit breakers to the OFF position and/or remove all fuses from the
GMT fuse-holder. With no loads connected and without the battery connected, plug
in or connect the AC input cords one at a time to the AC power source. Be sure to
use the correct AC voltage for the rectier inputs.
Using a volt meter measure the DC voltage reading across the –VO and +VO bus bars
at the rear of the unit. The voltage should be approximately 54.4, 27.2, or 13.6VDC
(depending on model), which is the factory setting.