Gentherm 5220 Operating Manual page 44

28142 Rev 15
V Shortly after Ignition
set
Immediately after ignition, the power unit warms, and the resulting temperature rise
produces power. Follow these steps to check V
Consult the Data Plate inside TEG door for the reference V
the required V
Move the jumper clip on the terminal block TB-1 to the SETUP position, i.e. between
terminals 2 and 3. See Figure 13 or Figure 14.
Connect a voltmeter between terminals 2 (+) and 4 (-). This is the measured V
should tend towards the required V
in Figure 21.
The measured V
least 60-90 minutes for V
(±0.2 V in ten minutes) compare this value with required V
should be within 0.2 V of the required V
If the measured V
NOTE:
reduced. See the Adjustment section of this manual.
Gentherm Global Power Technologies
for the present ambient temperature.
set
Do not allow the measured V
CAUTION!
V
set
irreparable damage to the power unit.
will rise quickly at first, and then begin to level out. It will take at
set
to stabilize. When the measured V
set
is greater than required V
set
While the TEG is running, and for several minutes
after it has shut down, Terminal 2 on TB1 will be live.
Use caution when moving the jumper clip to configure
CAUTION!
the TEG for either SETUP or RUN. Always isolate the
TEG from the load, station batteries, or other voltage
sources in the system before working inside the
electrical enclosure.
after ignition:
set
(determined in step 1). It will climb as shown
set
. Overheating will
.
set
POWER OUTPUT EVALUATION
voltage and determine
set
to exceed the required
set
result and may
no longer changes
set
. The measured V
set
, the fuel pressure must be
set
and
set
cause
set
Page 38