Gentherm Global Power Technologies 7-3
P-5050
62553 Rev.8
7.2.1 Examining V
set
Immediately after Ignition
Immediately after ignition the power unit warms and the resulting temperature rise produces
power.
Follow these steps to check V
set
after ignition:
a)
Disconnect the customer load from the TEG, terminals 7 (+) and 8 (-) of TB-1 and
allow to stabilize for 15 minutes.
b)
Consult the data plate inside TEG door for the reference V
set
voltage and determine
the required V
set
for the present ambient temperature. See Working-out Required V
set
or Setup Power topic above, or Alternative Method of Working-out Required V
set
or
Setup Power.
c)
Connect a voltmeter between terminals 5 (+) and 6 (-). This is the measured V
set
, and
should tend towards the required V
set
. It will climb as shown in Figure 20.
Caution:
Do not allow measured V
set
to exceed that required V
set
, for present ambi-
ent temperature, otherwise overheating may cause irreparable damage
to the power unit.
Figure 19
V
set
and Setup Power Versus Ambient Temperature
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