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5.4 Chassis Placement
All LMX-Series Power Sources are designed to fit into a standard 19 inch rack. Provisions for
mounting slide rails are included in the chassis. The power source can also be used as a
bench-top unit, if desired.
Note: The front panel handles are not designed to carry the entire unit. It must be
supported on front and back or both sides by two persons when being handled.
Select an appropriate location for the unit. Key points to consider when locating the chassis
are:
1. PROXIMITY TO THE LOAD - The power source should be located as close to the load
as possible. This helps to reduce distribution losses. These losses become more
critical as the output frequency increases.
2. VENTILATION - The chassis requires good ventilation to adequately cool the internal
components. Airflow ranges from 200 to 600 CFM. The minimum clearance
requirement for each model is listed below.
MODELS
140LMX, 160LMX, 320LMX, 345LMX,
360LMX.
105LMX, 108LMX, 112LMX, 305LMX,
308LMX, 312LMX and 320LMX
When the power source is placed in a 19-inch rack, it must be supported by either chassis
slides or full depth angle brackets. The front panel alone will not support the weight of the
power source. Chassis slides are available from Pacific Power Source as a cost option. Call
factory service for details.
After the location for the unit is selected, verify that the input voltage of the power source is
correct (Input voltage is stated on the system ID label). If it requires changing, refer to
section 5.6, "AC Input Connections" on page 54 for instructions.
Also check that the output transformer ratio setting is correct. If not, reconfigure to the
desired ratio.
After the input voltage form and output transformer ratio have been verified, install the
power source into the rack or place it into its final position. Make the necessary input and
output connections as stated in section 5.6 and section 5.12 respectively.
Entire Contents Copyright
2018 by Pacific Power Source, Inc. (PPS) • All Rights Reserved • No reproduction without written authorization from PPS.
LMX Series Power Source Operation Manual
MINIMUM CLEARANCE REQUIREMENT
12 inches front and back
2 inches on each side and 12 inches to the rear
Table 5-1: Required ventilation clearances by model
LMX SERIES® OPERATION MANUAL
Unpacking and Installation
SECTION 5:
Page 53 of 463
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