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4-26
Menu Pretrip Functions
µ
P-D Controller
CRR-20 & CRR-40, September 1999
test, the Alarm LED FLASHES and the controller
stops all unit operation. Press the ALARM key to
display any fault codes recorded in the controller
display memory. All alarms that occur during a
pretrip test will have a hyphen (-) in front of the
code number.
Performing an Extended, Full or Single
Pretrip Test from the Pretrip Menu
To perform an Extended, Full or Single Pretrip Test:
1.
Turn the unit On/Off switch ON.
NOTE: The controller will not perform an auto-
matic pretrip test until all alarms have been cor-
rected and cleared.
2.
Press the SELECT key to enter menu (display shows
“MENU <--->”.
3.
Press DOWN key until display shows “MENU PTRIP”.
4.
Press the SELECT key to enter PTRIP menu (display
shows “PTRIP <--->”).
5.
Press the DOWN key to view functions in submenu.
Press the UP key to scroll back through submenu.
Display shows PTRIP and submenu function (e.g. “PTRIP
ETEST”).
• To initiate an Extended Pretrip Test:
a.
Press the SELECT key with “PTRIP ETEST” in the
display.
b.
Flashing display will show “ENTER PTRIP”.
c.
Press the ENTER key. A flashing display will show
LOAD PTRIP. The controller then conducts an
Extended Pretrip Test.
d.
When the test is complete, the unit shuts down.
• To initiate a Full Pretrip Test:
a.
Press the SELECT key with “PTRIP FTEST” in the
display.
b.
Flashing display will show “ENTER PTRIP”.
c.
Press the ENTER key. A flashing display will show
LOAD PTRIP. The controller then conducts a Full
Pretrip Test.
d.
When the test is complete, the unit shuts down.
•
To initiate a Single Pretrip Test:
a.
Enter STEST submenu by pressing the DOWN key
with “PTRIP STEST” showing in the display.
Display will show “STEST <--->”.
b.
Press the DOWN key to view a test function in
STEST submenu. Flashing display will show
ENTER and test function (e.g. “ENTER HEAT”).
c.
With test function you want in RIGHT display, press
the ENTER key. Left display will show LOAD while
the right display shows the test function selected.
The controller then conducts the Single Pretrip Test
selected.
d.
When the test is complete, the display returns to the
Standard Display. The unit returns to normal opera-
tion.
NOTE: When a pretrip test is complete, PASS or
FAIL is recorded in the datalogger memory.
Pretrip test results can then be viewed through
the controller’s VIEW/LOG/PT1 submenu. For
instructions on viewing the VIEW/LOG/PT1 sub-
menu, refer to “Menu View” in this chapter.
Содержание CRR-20
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