Installation Manual AIS 240-35 AIS 240A-35 SANDIA aerospace 3700 Osuna Rd NE, Ste 711 Albuquerque, NM 87109 www.sandia.
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Table of Contents Record of Revisions.................................................................................................................................... i Table of Contents ...................................................................................................................................... ii List of Illustrations....................................................................................................................................
SECTION 2 INSTALLATION CONSIDERATIONS 1.1 Introduction This Manual describes the installation of the AIS 240-35 and AIS 240A-35 Switching Modules. It is intended for use by FAA certified repair stations and original equipment manufacturers (OEM’s) to install the units and includes both mechanical and electrical installation information. The installer should insure that the Switching Modules are operating according to their intended function. 1.
SECTION 2 INSTALLATION CONSIDERATIONS 2.1 Introduction The AIS 240-35 and AIS 240-35 have been designed to provide 24 poles of signal level switching. 2.2 Mounting The AIS 240-35 and AIS 240A-35 can be mounted in any axis either inside or outside the pressure vessel. The units are mounted with 4 each number six or eight mounting screws (not provided). 2.3 Cooling The AIS 240-35 and AIS 240A-35 do not require external cooling. 2.4 Electrical The AIS 240-35 and AIS 240A-35 will operate on 18 to 32.
SECTION 3 INSTALLATION PROCEDURES 3.1 General The AIS 240-35 and AIS 240A-35 are supplied with a 78 pin Sub D mounting connector and 80 crimp style contacts. The AIS 240-35 and AIS 240A-35 are hard mounted in any axis using four (4) number 6 or 8 screws. 3.2 3.2.1 Equipment Required Supplied Model AIS 240-35, Sandia Part Number AIS 240-35 or Model AIS 240A-35, Sandia Part Number 306120-00. Electrical Installation Kit Sandia Part Number 305552-00.
3.4 Electrical The AIS 240-35 and AIS 240A-35 use 28 Vdc relays for the control HI input and a Control low for activation of the relays. There is no difference in the interconnect wiring between the AIS 240-35 and AIS 240A-35.
Figure 3-3 AIS 240-35 Schematic and Pin Out 3.5 3.6 3.7 Operating Instructions and Limitations Refer to the equipment being switched for operation and Limitations. Calibration No calibration is required Continued Airworthiness Maintenance of the AIS 240-35 and the AIS 240A-35 is on condition only. No scheduled maintenance is required.
