Work Procedure After Repair - Toshiba MMY-MUP0721HT9P-UL Service Manual

10-3. Work procedure after Repair

When vacuuming in the repaired outdoor unit, follow the procedure described below.
<Work procedure>
(1) Follow the procedure below to fully open PMV 1, 2, 3, and 4 and turn off the outdoor unit within 2 minutes
after the operation is completed.
Note) The PMV fully open operation by the following operation will return to fully closed after 2 minutes.
1. Set [SW01/SW02/SW03] on the interface board to [2/1/3], and after [H.r] [............... is displayed on the 7-
segment display, push [SW04] and hold for 5 seconds or more.
2. Push [SW06] and hold for 5 seconds or longer, and [P.1] [F o...] Is displayed on the 7-segment display.
(PMV1 fully open)
3. Set [SW01/SW02/SW03] on the interface board to [2/1/4], and after [P.2] [............... is displayed on the 7-
segment display, push [SW04] and hold for 5 seconds or longer, and [P.2][Fo...] Is displayed on the 7-
segment display. (PMV2 fully open)
4. 3. Similarly, set [SW01/SW02/SW03] to [2/1/5], set [SW01/SW02/SW03] to [2/1/6], push [SW04] and hold
for 5 seconds or more, and each have 7 segments.
[P.3][Fo...] (PMV3 fully open), [P.4][Fo...] (PMV4 fully open) are displayed on the display.
Note) 7-segment display and operation method: [P.x] [
• The initial state is normal control, and [............... is displayed in *.
• When push SW4 is pushed for 5 seconds, it fully opens for 2 minutes, and [F o...] is displayed in *.
• Pushing again for 5 seconds displays an intermediate opening for 2 minutes, and [C o...] is
displayed in *.
• Pushing it again for 5 seconds closes it completely for 2 minutes and displays [Fc...] in *.
• Push again for 5 seconds to return to normal control.
(2) Return [SW01/SW02/SW03] on the interface board to [1/1/1].
(3) Be sure to perform vacuuming in from the three check joints shown in the diagram below
(liquid pipe, discharge pipe and suction pipe).
Standard 10,12,14ton/High heat 8,10 ton
Model: MMY-MUP1201*, MUP1441*, MUP1681*, MUP096H1*, MUP1201H1*
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