Installation; Prime Power Connection - Comtech EF Data CPA-050 Installation And Operation Manual

C-Band Solid-State Power Amplifier

Installation

2.2 Installation
The CPA is designed for ease of installation; refer to Appendix B, Dimensional
Drawings to determine type of installation by size of the CPA.
Adequate air ventilation should be provided to the rack mounted equipment. Cool
air is taken in through the front panel and exhausted out the rear panel.
Locate the CPA so the input and output airflow paths are not obstructed or
restricted. This will minimize the amplifier operating temperature.
•
2.2.1

Prime Power Connection

WARNING
The On/Off prime power switch is located on the rear of the chassis adjacent to the
prime power input connector. The circuit breaker is rated for 40 Amps. The prime
power input requirements are
The AC prime power input connector, J3, is a 3 in circular connector, type CA3102E20-
19PB FMLB A. The ground pin A, is of the first make, last break type. A mating
connector (CA3106E20-19SB) is provided. The pin-out specifications for J3 and its
mate are contained in the table below.
If the CPA is to be mounted on slides, the slides must be the Comtech EF
Data rack slides provided with the CPA. Proceed as follows:
Mount the slides on the sides of the CPA chassis with the provided
mounting hardware.
Install the slide rails on the rack cabinet enclosure.
Secure the CPA to the cabinet with four screws inserted through the
CPA front panel slotted holes.
Before applying AC power to the unit, make sure the waveguide output of the
amplifier is properly loaded or terminated. Failure to do so could lead to
equipment damage and excessive RF radiation levels.
•
180-270 VAC
•
47 to 63 Hz
•
Typically 2500W @ 220Vac, (Power Factor Corrected, 3kW Max).
Pin #
A
B
C
Description
Ground
Line 2
Line 1
2-2
Revision 0
MN/CPA-IN.IOM