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CHT-100 Cylinder Head Temperature Indicator 

Page 1 of 11

 

 

Aerospace Logic Inc. 

3150 Ridgeway Drive, Unit #43, Mississauga, Ontario, L5L 5R5, CANADA 

Tel. (905) 569-3887 | Fax. (416) 352-5854 | Email. sales@aerospacelogic.com 

www.aerospacelogic.com 

CHT-100 Operations & Installation Manual – Ver. 1.9 – June 5, 2003

 

 
 

 

All specification subject to change 

© 2002-2003 Aerospace Logic Inc.

 

 

CHT-100 Operations and Installation Manual 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

READ THIS FIRST

 

 
 

Congratulations on the purchase of your CHT-100 Cylinder Head Temperature Indicator. 
This instrument is a complex precision instrument manufactured to exceed Airborne 
Equipment Standards DO-160D, DO-178B and TSO C43c standards. In order for your 
instrument to function correctly you will need to review the instructions in this brief 
manual. 
 
 
This document covers the following instrument models: 
 

  CHT-100-4 

4 Cylinder CHT 

  CHT-100-4V  4 Cylinder CHT with Voltmeter 

  CHT-100-6 

6 Cylinder CHT 

  CHT-100-6V  6 Cylinder CHT with Voltmeter 

 

This manual is certified for use with 

instrument serial number  

 

ASL000000 

 

Use of this manual with any other 

instrument voids all warranties and may 

result in damage to the instrument 

Summary of Contents for CHT-100

Page 1: ...0 Cylinder Head Temperature Indicator This instrument is a complex precision instrument manufactured to exceed Airborne Equipment Standards DO 160D DO 178B and TSO C43c standards In order for your ins...

Page 2: ...o ensure that it is functioning correctly In turn the main processor validates the independent monitoring processor Any failure detected in either processor and your instrument display will be shut do...

Page 3: ...sure proper operation The instrument has been software calibrated and never needs recalibration provided no wiring modifications are made at installation time Now connect the supply and dimmer wiring...

Page 4: ...r 4 RED Cylinder 2 GREEN Cylinder 5 WHITE Cylinder 3 YELLOW Cylinder 6 If you have purchased a complete instrument and probe kit appropriate connectors for interconnection of the signal wires and prob...

Page 5: ...Page 5 of 11 Aerospace Logic Inc 3150 Ridgeway Drive Unit 43 Mississauga Ontario L5L 5R5 CANADA Tel 905 569 3887 Fax 416 352 5854 Email sales aerospacelogic com www aerospacelogic com CHT 100 Operati...

Page 6: ...n the setup mode the display bar will remain blank The CYL digit and the four digit display shows the parameter value and type as per the enclosed instructions In order to set the manufacturer specifi...

Page 7: ...tch once to the S position and release The low limit will now be saved and applied to all cylinders The display will move to the next parameter H High Temperature Limit Set The high temperature limit...

Page 8: ...isplay the STEP message for approximately five seconds before starting the step process Once started it will step through all cylinders When the last is reached it will revert back to the first 1 Disp...

Page 9: ...his mode of operation is the single most important feature of this instrument and should be used for all leaning and cooling function If the instrument is switched from the automatic mode back to the...

Page 10: ...mocouple Signal Wire Junction Where possible plan the installation such that the junction between the thermocouple and signal wire takes place on the cockpit side of the firewall If this is not possib...

Page 11: ...sation for thermocouple sensor linearity Minimum 256 times measurement validation before display Operating Temperature 15C to 55C 5F to 131F Power Consumption 370mA Max daytime operation 50mA Min nigh...

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