Pulse Motor Valve (Pmv) Forced Open/Close Function In Indoor Unit - Toshiba MMY-MUP0721HT9P-UL Service Manual

7-7-5. 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 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.
- 157 -