PS Engineering
PMA7000BT Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-780-0204
Page 2-1
Rev. 1, July 2015
Section II - Installation
2.1
GENERAL INFORMATION
2.1.1
SCOPE
This section provides detailed installation and interconnection instructions for the PS Engineering
PMA7000BT-Series Audio Selector Panel/Intercom/ with internal Marker Beacon.
Please read this manual carefully before beginning any installation to prevent damage and post-installation
problems.
Installation of this equipment requires special tools and knowledge as required by 14 CFR 65.81(b).
2.1.2
Certification Requirements
NOTE
The PMA7000BT requires specialized knowledge and tools for an effective installation.
An appropriately rated Certified Aircraft Repair Station must install this equipment in
accordance with applicable regulations.
PS Engineering, Incorporated warranty is not valid unless the equipment is installed by
an authorized PS Engineering, Incorporated dealer.
Failure to follow any of the installation instructions, or installation by a non-certified in-
dividual 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
technical standard order (TSO). Installation of this article requires separate approval. Re-
fer 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 correct quantity of com-
ponents supplied with the list in Section 1.6 (B). 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 ac-
cessories show any sign of external shipping damage, contact PS Engineering to arrange for a replacement.
Under no circumstances attempt to install a damaged unit in an aircraft. Equipment returned to PS Engi-
neering 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
Installation to replace existing audio panel
2.3.1.1
Existing PMA7000M-S, PMA7000B, SL-15 or KMA 28 Installations
No changes required.
However, if an obsolete POTS (48VDC) telephone is connected it will not function.
2.3.1.2
Existing PMA6000 installations
In 28-Volt aircraft, the dropping resistor may be removed; however, the 2A breaker should be changed to 3
Amp. If the old unit is stereo (PMA6000S or PMA6000MS), no rewiring is necessary except to add addi-
tional features.