Cooling/Heating Test Operation Check - Toshiba MMY-MAP0804HT8(Z)(ZG)-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
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 "
or " HEAT" operating mode.
• Do not use an operating mode other than
" COOL" or "
• Temperature adjustment is unavailable during test
operation.
• Error is detected as usual.
3
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".
2, 4
3
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 "
• Under "TEST RUN ON" status, temperature
2
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
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
Small screw
144
Operation content
", " " and " " LEDs blink during test
operation.
adjustment from the wireless remote controller is
invalid.
COOL" or "
approximately 3 minutes after powering-on or
stopping operation.
Receiver unit
Spacer
Nameplate
button on the
HEAT" operation