Table of Contents
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1
ABOUT THIS MANUAL
This manual provides instructions for the operation and maintenance of the model 5220
Thermoelectric generator.
1.1
Health and Safety
Correct operation and maintenance according to this manual is critical for proper equip-
ment function and safety. Keep the following in mind when using these instructions.
1.1.1 Warnings
Throughout this manual you will notice paragraphs preceded by the text Warning. It is
imperative that the advice in these paragraphs be adhered to, as failure to do so may
result in personal injury or death and possible damage to the equipment.
1.1.2 Cautions
Throughout this manual you will notice paragraphs preceded by the text Caution. It is
imperative that the advice in these paragraphs be adhered to, as failure to do so may
result in damage to the equipment.
1.1.3 Trained Operators
Personnel performing installation, operation, and maintenance work should be properly
trained in such functions.
1.2
Technical Terms
An operator should be familiar with technical terminology. Terms of particular signifi-
cance, defined for the model 5220, are as follows:
Thermoelectric Generator (TEG): A device that produces electrical power through the
direct conversion of heat energy to electrical energy.
Power Unit (PU): The hermetically sealed portion of the TEG that contains the thermo-
electric materials and cooling fins.
Rated Power: Model 5220 TEG power unit produces 220 W when operating in an
ambient temperature of 20ºC (68ºF). With the fuel flow held constant, TEGs operating in
ambient temperatures higher than 24ºC (75ºF) will see power output efficiency reduce,
0.8 W per ºC (0.44 W per ºF) of temperature change up to a maximum ambient tem-
perature of 65.5ºC (150ºF). Conversely for temperatures lower than 20ºC (68ºF) power
output efficiency will increase by 0.8 W per ºC (0.44 W per ºF) of temperature change.
Set-up Power: Power from the power unit for a specific ambient temperature. It is
derived from voltage across a precision load, also known as V
Gentherm Global Power Technologies
5220
28142 Rev. 14
.
set
1-1
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