PS Engineering
PAC45 Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-045-0100
Page 2-1
January 2020
Section II - INSTALLATION
2.1 GENERAL INFORMATION
2.1.1 SCOPE
This section provides detailed installation and interconnection instructions for the PS Engineer-
ing PAC45D Audio Selector Panel/Intercom.
Please read this manual carefully before beginning any installation to prevent damage and post-
installation problems.
Installation of this equipment requires special tools, test equipment (refer to §2.12.1) and in-
staller knowledge as required by 14 CFR 65.81 (b).
2.1.2 Certification Requirements
NOTE
The PAC45D requires specialized knowledge and tools for an effective installation. An appropri-
ately rated Certified Aircraft Repair Station
must
install this equipment in accordance with appli-
cable regulations. PS Engineering, Incorporated warranty is not valid unless the equipment is in-
stalled by an authorized PS Engineering, Incorporated dealer.
Failure to follow any of the installation instructions, or installation by a non-certified individual
or agency will void the warranty, and may result in an
unairworthy
installation.
This article meets the minimum performance and quality control standards required by a tech-
nical standard order (TSO). Installation of this article requires separate approval. Refer to AC 20-
41A for information regarding Substitute TSO Aircraft Equipment.
2.2 Unpacking and Preliminary Inspection
Use care when unpacking the equipment. Inspect the units and parts supplied for visible signs of
shipping damage. Examine the unit for loose or broken buttons, bent knobs, etc. Verify the cor-
rect quantity of components supplied with the list in §1.6. If any claim is to be made, save the
shipping material and contact the freight carrier. Do NOT return units damaged in shipping to PS
Engineering. If the unit or accessories show any sign of external shipping damage, contact PS En-
gineering to arrange for a replacement. Under no circumstances attempt to install a damaged
unit in an aircraft. Equipment returned to PS Engineering for any other reason should be
shipped in the original PS Engineering packaging, or other UPS approved packaging.
2.3 Equipment Installation Procedures
2.3.1 Cooling Requirements
Forced air-cooling of the PAC45D is not required. However, the units should be kept away from
heat producing sources (i.e. defrost or heater ducts, dropping resistors, heat producing avionics)
without adequate cooling air provided.
2.3.2 Mounting Requirements
The PAC45D must be rigidly mounted to the instrument panel of the aircraft structure, within
view and reach of the pilot position(s). The PAC45D/CTL45 is designed for Dzus-rail mounting.
Installation must comply with FAA Advisory Circular AC 43.13-2B, or other FAA-approved aircraft
technical data. The unit may be mounted in any area where adequate clearance for the unit and
associated wiring bundle exist.
PRELIMINARY