Pulse Motor Valve (Pmv) Forced Open / Close Function In Indoor Unit; Pulse Motor Valve (Pmv) Forced Function In Outdoor Unit - Toshiba MCY-MHP0305HT-C Service Manual

8-7-5. 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 outdoor 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 outdoor unit to [2/3/1], and press SW04
for 2 seconds or more.
(Display appears on 7-segment display for 30 seconds as follows.) [P. ] [ FF]
[Close fully]
Set the switches SW01 / SW02 / SW03 on the interface P.C. board of the outdoor unit to [2/3/1], and press SW05
for 2 seconds or more.
(Display appears on 7-segment display for one minute as follows.) [P. ] [ 00]
[Clear]
After 30 seconds (1 minutes for "Close fully") after setting up, the opening automatically returns to the normal
opening.
8-7-6. Pulse motor valve (PMV) forced fixing function in
outdoor unit
This function is provided to forcedly the opening degree adjustment of pulse motor valve (PMV1).
By setting the switch can be fixed 2 minutes "open fully", "open half" and "close fully" the opening of the pulse
motor valve.
<Operation>
[Open fully]
Set the switches SW01/SW02/SW03 on the interface P.C. board of the outdoor unit to [2/1/8], and press SW04
for 2 seconds or more.
(7-segment display appears as below.)
[**][**P] (View PMV opening degree the "****")
"Open fully" of this model ... 500P
[Open half]
Set the switches SW01/SW02/SW03 on the interface P.C. board of the outdoor unit to [2/2/8], and press SW04
for 2 seconds or more.
(7-segment display appears as below.)
[**][**P] (View PMV opening degree the "****")
"Open half" of this model ... 250P
[Close fully]
Set the switches SW01/SW02/SW03 on the interface P.C. board of the outdoor unit to [2/3/8], and press SW04
for 2 seconds or more.
(7-segment display appears as below.)
[**][**P] (View PMV opening degree the "****")
"Close fully" of this model ... 0P
[Clear]
This function is cleared by one of the following operations.
(1) After 2 minutes from the start of the function, the opening degree returns to the normal.
(2) Set the switches SW01/SW02/SW03 on the interface P.C. board of the outdoor unit to [2/*/8], and press
SW05 for 5 seconds or more, the opening degree returns to the normal.
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