102
9-7-4. Pulse Motor Valve (PMV) Forced Open/Close Function in Indoor Unit
This function is provided to fully open or close forcibly the PMV for 2 minutes in all indoor units, using the switch
operation on the interface P.C. board of the outdoor unit.
This function is also used to open the PMV fully when turning off the power and executing an operation, for
example, vacuuming.
Operation
[Open fully]
Set the switch SW01 on the interface P.C. board of the outdoor unit to [2], SW02 to [3], SW03 to [1] and push
SW04 for 2 seconds or more.
(Display shown on 7-segment display for 2 minutes as follows.) [P ] [ FF]
[Close fully]
Set the switch on the interface P.C. board of the outdoor unit SW01 to [2], SW02 to [3], SW03 to [1] and push
SW05 for 2 seconds or more.
(Display shown on 7-segment display for one minute as follows.) [P ] [ 00]
[Clear]
After 2 minutes (1 minutes for “Close fully”) have passed when setup has finished, the PMV automatically
returns to the normal operation.
9-7-5. Pulse Motor Valve (PMV) Forced Open Fully/Close fully Function in
Outdoor Unit
This function is provided to fully open or close fully the PMV used in the outdoor unit for 2 minutes.
[Open fully]
Short-circuit CN30 on the interface P.C. board of the outdoor unit.
[Close fully]
Short-circuit CN31 on the interface P.C. board of the outdoor unit.
[Clear]
After 2 minutes, the opening returns to the
normal operation.
Be sure to remove the short circuit after confirmation.
I/F P.C. board
Check connector
CN30
Check connector
CN31