Cooling/Heating Test Operation Check - Toshiba MMY-MAP0804HT8-E Service Manual

7-6-2. Cooling/Heating Test Operation Check

The cooling/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.
M Wired remote controller
Procedure
1
2
3
4
5
1, 5
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Operation content
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.
Push the button.
Using the Select Mode button, select the "
or " HEAT" operating mode.
• Do not use an operating mode other than
" COOL" or " HEAT".
• Temperature adjustment is unavailable during test
operation.
• Error is detected as usual.
When the test operation has finished, push the
button to stop the operation.
(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.)
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M Wireless remote controller (Except the 4-way
Air Discharge Cassette type and the Under
Ceiling type)
Procedure
Remove the nameplate of the receiver section by
inserting a screwdriver or similar tool into the notch at
1
the bottom of the plate, and set the DIP switch to
"TEST RUN ON."
Execute a test operation with the
wireless remote controller.
• The "
operation.
• Under "TEST RUN ON" status, temperature
2
adjustment from the wireless remote controller is
invalid.
COOL"
Do not use this method of operation other than for
test operation because the equipment will be
damaged.
Use either the "
mode for a test operation.
3
* The outdoor unit does not operate for
approximately 3 minutes after powering-on or
stopping operation.
After the test operation is finished, stop the air
conditioner from the wireless remote controller, and
return the DIP switch of the sensor section to its
4 original position.
(A 60-minute timer clearing function is attached to the
sensor section in order to prevent continuous test
operation.)
M4 × 25 screw
(2 pieces)
Notch
2, 4
Small screw
3
144
Operation content
button on the
", " " and " " LEDs blink during test
COOL" or " HEAT" operation
Receiver unit
Spacer
Nameplate