SPECTRUM™ TS Operation
72
• The unit will autoswitch from Diesel Mode to
Electric Mode or from Electric Mode to Diesel
Mode during a Pretrip Test if these features
are enabled.
Pretrip Tests are not allowed if:
• Any alarms are present.
• The unit is in Sleep Mode.
• Unit is in Service Test Mode, Interface Board
Test Mode or Evacuation Mode.
Pretrip Test Sequence:
Pretrip tests proceed in the order shown below. A
Full Pretrip Test includes all tests. A Partial
Pretrip Test is started with the engine or motor
running and does not include the Amp Checks or
Engine Start Check.
• Amp Checks – Each electrical control
component is energized and the current drawn
is confirmed as within specification.
• Engine Start – The Engine will start
automatically.
• Zone 1 Defrost – If the Zone 1 coil
temperature is below 45 F (7 C), a defrost is
cycle is initiated.
• Zone 1 Cool Check – The ability of the unit to
cool in low speed is checked.
• RPM Check – The engine RPM in high and
low speed is checked during the Zone 1 Cool
Check.
• Zone 1 Heat Check - The ability of the unit to
heat in low speed is checked.
• Zone 2 Cool Check – The ability of the unit to
cool in low speed is checked.
• Zone 2 Heat Check – The ability of the unit to
heat in low speed is checked.
• Report Test Results – The test results are
reported as PASS, CHECK or FAIL when the
Pretrip Test is completed. If test results are
CHECK or FAIL alarm codes will exist to
direct the technician to the source of the
problem.
Performing a Pretrip Test
If a Pretrip Test is initiated with the engine shut
down a Full Pretrip Test will be performed. If a
Pretrip Test is initiated with the engine or motor
running a Partial Pretrip Test is performed.
Before initiating a Pretrip Test, clear all alarm
codes.
Pretrip Tests are initiated using the Pretrip Menu.
From the Standard Display, press the MENU key.
Figure 91: Standard Display
The Language Menu or Alarm Menu will appear.
Press the NEXT key as required to show the
Pretrip Menu. When the Pretrip Menu is shown
press the SELECT key to start a Pretrip Test.
Figure 92: Mode
Figure 93: Pretrip Display
If the unit is not running a Full Pretrip Test will be
initiated. If the unit is running in either diesel or
electric mode a Running Pretrip will be
performed.
CAUTION: The engine may start
automatically any time the unit is turned
on.
AJA1154
AJA1155
To Next Page
Loading...
Need help?
General
