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ERU50-001 Emergency Relay Unit  

SM83 Installation and Operation Manual 

 

 

Installation and Operation Manual 

Issue 1.01 

Page 2-1 

 

CONFIDENTIAL AND PROPRIETARY TO COBHAM 

Section 2 Installation 

2.1  

Introduction 

Information in this section consists of unpacking and inspection procedures, installation procedures,  
post-installation checks and installation drawings for the ERU50-001 Emergency Relay Unit

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Review all notes, warnings and cautions. 

2.2  

Unpacking and Inspection 

Unpack the equipment carefully and locate the warranty card. Inspect the unit visually for damage due to 
shipping and report all such claims immediately to the carrier involved. Check that all items listed below 
are present before proceeding and report any shortage immediately to your supplier: 

-  Warranty Card 

-  Certificate of Conformity or Release Certification 

2.2.1  

Warranty 

All Cobham products are warranted for 2 years from date of installation by an authorized Cobham dealer, 
to be free of defects in workmanship or performance. This warranty covers all materials and labour, but is 
exclusive of any transport to deliver the defective unit to and from Cobham or its designated warranty 
repair center, or any labour to remove or re-install the defective unit in the aircraft. Contact Cobham for 
any questions regarding this warranty, its applicability to your units and/or for return authorization. 
Cobham is the final arbitrator concerning warranty administration. Units which have been physically 
damaged, burned, immersed in water or otherwise abused beyond the scope of normal use will not be 
considered for warranty.  

2.3  

Airworthiness Limitations 

The Airworthiness Limitations section is FAA approved and specifies inspections and other maintenance 
required under 14 CFR §§ 43.16 and 91.403, unless an alternative program has been FAA approved. 
Maintenance of the ERU50 is “on condition” only. Periodic maintenance of this product is not required.   

2.4  

Installation Procedures 

Installation Notice 
 
This product must be installed in accordance with the installation instructions provided in the latest issue 
of this Installation and Operation Manual. All risk associated with installation of this product contrary to 
these instructions shall be the responsibility of the installing agency. 

Содержание ERU50-001

Страница 1: ...Division is responsible for full distribution and revisions of ICA s Instructions for Continued Airworthiness For inquiries regarding the content and currency of this manual contact Wulfsberg Electron...

Страница 2: ...us of each section is controlled by revision shown in the footer of each page All revisions affecting sections of this manual have been incorporated into the latest issue ISSUE REVISION RECORD Manual...

Страница 3: ...l Specifications 1 3 1 4 3 Environmental Specifications 1 3 2 Installation 2 1 Introduction 2 1 2 2 Unpacking and Inspection 2 1 2 2 1 Warranty 2 1 2 3 Airworthiness Limitations 2 1 2 4 Installation P...

Страница 4: ...source audio in an aircraft It enables the transmission of microphone audio to a selected Transceiver and distributes all Inter Communication System ICS audio The ERU50 allows continued communication...

Страница 5: ...1A maximum Intercommunication System Key Inputs Quantity 2 Maximum Current 1A maximum ERU Status Discrete Selection Quantity 1 Maximum Current 1A maximum AMU ACP 3 Power Quantity 1 Rated Input Level 3...

Страница 6: ...67 3 mm maximum Width 4 54 in 115 3 mm maximum Weight 0 32 lbs 0 15 kg maximum Mounting Bulkhead Mount Four 10 32 screws Material and Finish Metal components are brushed aluminum with conversion coat...

Страница 7: ...aterials and labour but is exclusive of any transport to deliver the defective unit to and from Cobham or its designated warranty repair center or any labour to remove or re install the defective unit...

Страница 8: ...s Note that the hood is a clamshell hood and is installed after the wiring is complete Maintain wire segregation and route wiring in accordance with the original aircraft manufacturers Maintenance Ins...

Страница 9: ...Key signals connected to USER 1 ACP3 is not powered USER 4 Mic Phone ICS Key and TX Key signals connected to USER 2 ACP4 is not powered ERU Status is LO GROUND N N B E N USER 3 Mic Phone ICS Key and T...

Страница 10: ...TX KEY AMU ACP3 POWER AMU USER 3 MIC AMU USER 3 PHN AMU USER 3 ICS KEY AMU USER 3 TX KEY ERU STATUS IN To Alert ACP1 H S1 MIC X H S1 PHN X ACP1 ICS X ACP1 TX X ACP3 ACP3 POWER X H S3 MIC X H S3 PHN X...

Страница 11: ...ration manual DevCs Device Configuration Programmer window showing Alert 1 2 5 Accessories Required But Not Supplied Installation kit p n ERU50 IKC crimp is required to complete the installation The k...

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Страница 16: ...functional and operational procedures for the ERU50 001 Emergency Relay Unit 3 2 General Information The ERU50 is an Emergency Relay Unit for use with the Cobham Digital Audio Communication System DAC...

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