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Operating Instructions
75
PTI (Full Pretrip) Test
NOTE: Units equipped with a water-cooled
condenser must be set to operate on air-cooled
condensing to perform a complete system
capacity test.
The MP-3000a controller contains a special Full
PTI pretrip test that automatically checks unit
refrigeration capacity, heating capacity,
temperature control, and individual components
including the controller display, contactors, fans,
protection devices and sensors. The test includes
measurement of component power consumption
and compares test results to expected values. The
test takes up to 2 to 2.5 hours to complete,
depending on the container and ambient
temperature.
NOTE: Correct all existing alarm conditions
and clear the alarm codes before performing a
Full PTI test. The controller will automatically
clear all existing alarms before beginning the
Full PTI test.
With the
U
NIT
O
N
/O
FF
switch
O
N
and the LCD
display showing the standard display (setpoint):
1. Press the
F2
or
F3
key to enter the menu list.
2. Repeatedly press the
F2
or
F3
key to scroll
through Main menu until [COMMANDS]
appears in LCD display.
3. Press the
F4
key to access the Commands
menu. The first command in the submenu
appears in the LCD display.
4. Press the
F2
or
F3
key to scroll to “PTI
TEST”.
5. Press the
F4
key to start the PTI test. LCD
display shows PTI test currently being
performed. PTI test ends automatically. Press
any key on the controller to return the unit to
normal operation.
Figure 41: Full PTI Test
See the following pages for the “MAGNUM PTI
(Full Pretrip) Test Procedure” for a detailed
description of the PTI Test. Detailed PTI test
results are stored in the MP-3000a Datalogger for
later viewing. Any alarm codes recorded during
the test can be viewed through the controller’s
Alarm List menu at the end of the test.
CAUTION: The Full PTI test should only
be performed on an empty container!
Commands Menu
- PTI Test
- Power Management
- Function Test
- Manual Function Test
- Brief PTI Test
ALARMS
DATA
RMM STATE
CONFIGURATION
MISC FUNCTIONS
COMMANDS
MAIN MENU
DATALOGGER
NOTE: All screens are NOT
present on all units. The
screens that display on the
controller are determined by
the Controller Software
settings and the options
installed on the unit.
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Страница 19: ...Service Guide 18...
Страница 28: ...Specifications 27 Figure 2 Physical Specifications AMA313...
Страница 41: ...Unit Description Features Options 40...
Страница 105: ...Operating Instructions 104...
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Страница 189: ...Wiring and Schematic Diagrams Index 188...
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