Automatic Pitot Heat

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2 months 1 week ago - 2 months 1 week ago #1346 by dynamics
Replied by dynamics on topic Automatic Pitot Heat
No there is not any problem I am interested to understand thoroughly the wiring design, absolutely you are right about the schematic , but I believe any relay should consists of a set of input terminals for control signals that is more likely the oil pressure signal from EAU, and a set of operating contact terminals corresponding to controlled currents that here it is more likely 115acv power supply for pitot heat, so 28vdc power supply for relay is a bit odd?!!
Last edit: 2 months 1 week ago by dynamics.

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2 months 1 week ago #1348 by Mark
Replied by Mark on topic Automatic Pitot Heat
From your last email..... I already know the answer.

Your WDM, IPC, and Equipment List show the power contactors as "breakers".

This is a naming issue. Circuit breakers as commonly referred to are.....
  
  
 
  
  
Contactors (called breakers in print) are power bus connection devices.
  
  
 
  
  
You're getting caught up in nominclatures. Boeing calls them one thing, Airbus another.....Gulfstream another, etc....

They're all the same thing.

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2 months 1 week ago #1349 by Mark
Replied by Mark on topic Automatic Pitot Heat
Gulfstream....
  
  
 
  

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2 months 1 week ago #1351 by dynamics
Replied by dynamics on topic Automatic Pitot Heat
Given, contactor item606 as per the part catalogue is applicable to an specific tail number however it is not including in the WDM equipment list, Is air carrier permitted to install it on that tail number?

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2 months 1 week ago #1352 by Mark
Replied by Mark on topic Automatic Pitot Heat
The IPC overrides the Equipment List. The equipment list is more of a quick lookup for parts. It might not be updated as frequently as the IPC.
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