Pulse Motor Valve (Pmv) Forced Open/Close Function In Indoor Unit; Pulse Motor Valve (Pmv) Forced Open Fully/Close Fully Function In Outdoor Unit - Toshiba MMY-MAP0804FT8(ZG)-E Service Manual

7-7-4. Pulse Motor Valve (PMV) Forced Open/Close Function in Indoor Unit

This function is provided to open or close forcedly PMV for 2 minutes in all the indoor units by the switch
operation on the interface P.C. board of the header unit.
This function is also used to open PMV fully when turning off the power and executing an operation.
<Operation>
[Open fully]
Set the switches SW01/SW02/SW03 on the interface P.C. board of the header unit to [2/3/1], and push SW04
for 2 seconds or more.
(Display appears on 7-segment display for 2 minutes as follows.) [P ] [ FF]
[Close fully]
Set the switches SW01/SW02/SW03 on the interface P.C. board of the header unit to [2/3/1], and push SW05
for 2 seconds or more.
(Display appears on 7-segment display for one minute as follows.) [P ] [ 00]
[Clear]
After 2 minutes (1 minutes for "Close fully") after setting up, the opening automatically returns to the normal
opening.

7-7-5. Pulse Motor Valve (PMV) Forced Open Fully/Close fully Function in Outdoor Unit

This function is provided to forcedly open or close fully P.M.V. (PMV1/PMV2, PMV4) used in the outdoor unit
for 2 minutes.
[PMV1/PMV2 Open fully]
On the interface P.C. board of the outdoor unit, set the dip switch [SW12·bit1] to [OFF], [SW12·bit2] to [OFF],
and shortcircuit CN30.
[PMV1/PMV2 Close fully]
On the interface P.C. board of the outdoor unit, set the dip switch [SW12·bit1] to [OFF], [SW12·bit2] to [OFF],
and shortcircuit CN31.
[PMV4 Open fully]
On the interface P.C. board of the outdoor unit, set the dip switch [SW12·bit1] to [OFF], [SW12·bit2] to [ON],
and shortcircuit CN30.
[PMV4 Close fully]
On the interface P.C. board of the outdoor unit, set the dip switch [SW12·bit1] to [OFF], [SW12·bit2] to [ON],
and shortcircuit CN31.
[Clear]
For both open fully and close fully, after 2 minutes, the opening returns to the normal opening.
Be sure to remove the cord used for short-circuit after confirmation, and set the dip switch [SW12·bit1] to [OFF]
and [SW12·bit2] to [OFF].
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