Single Cooling/Single Heating Test Operation Check - Toshiba MMY-MAP1004HT5P Service Manual

7-6-2. Single cooling/Single heating Test Operation Check

The Single cooling/Single heating test operation check can be performed on both the indoor remote controller
and the outdoor header unit interface PC board.
(1) Test operation start/stop operation
Test operation from the indoor remote controller
• Wired remote controller: Refer to the items below in "Test operation" of the wired remote controller.
• Wireless remote controller: Refer to the items below in "Test operation" of the wireless remote controller.
• Lite-Vision plus remote controller : Refer to the installation manual of RBC-AMS51E
Wired remote controller
Procedure
When the Test button is pushed for 4 seconds or
more, "TEST" is displayed in the display section,
and the unit enters test operating mode.
1
2
Push the
Using the Select Mode button, select the
" COOL" or "
• Do not use an operating mode other than
" COOL" or "
• Temperature adjustment is unavailable during
test operation.
3
• Error is detected as usual.
When the test operation has finished, push the
button to stop the operation.
4
(The same display as in procedure 1 appears in
the display section.)
Push the Test button to clear the test operating mode.
("TEST" disappears from the display section, and
the status returns to the normal stopped status.)
5
1, 5
Operation content
button.
HEAT" operating mode.
HEAT".
2, 4
3
Wireless remote controller (Except the 4-
way Cassette type and the Ceiling type)
Test run (Forced cooling operation)
Requirement:
• Finish the forced cooling operation in a short
time because it applies excessive strength to the
air conditioner.
How to perform forced cooling operation
1. When TEMPORARY button is pushed for 10
seconds or more, "Pi!" sound is heard and the
operation changes to a forced cooling operation.
After approx. 3 minutes, a cooling operation starts
forcedly.
Check cool air starts blowing. If the operation does
not start, check wiring again.
2. To stop a test operation, push TEMPORARY
button once again (Approx. 1 second).
• Check wiring / piping of the indoor and outdoor
units in forced cooling operation.
– 138 –
TEMPORARY-Taste