Work Procedure After Repair - Toshiba MMY-MAP0806HT8P Service Manual

10-3. Work procedure after Repair

When vacuuming in the repaired outdoor unit, follow the procedure described below.
<Work procedure>
(1) Fully open PMV1 and PMV3 (MMY-MAP1406∗ to 2206∗ only) in accordance with the table below. Note: PMV
full-opening operation via short-circuiting of the CN30 pins is automatically undone after 2 minutes,
causing the valves to fully close. To maintain fully open state, turn off the power switch of the outdoor unit
within 2 minutes of the short-circuiting of the CN30 pins.
Bit 1 Bit 2
OFF OFF
ON OFF
(2) Be sure to perform vacuuming in from the three check joints shown in the diagram below (liquid pipe, discharge
pipe and suction pipe).
Reducer
(PMV1)
(TL1)
(SV52)
Fusible
plug
FP
Liquid Tank
Sub cool
heat exchanger
(PMV4)
(TL3)
SW12
CN30
Bit 3 Bit 4
OFF OFF Short-circuit
OFF OFF Short-circuit
(TE1)
SV
Reducer
High-pressure
sensor
(TS3)
Oil Separator
SV
(SV3D)
(SV41)
SV
(TD1)
Compressor
1
Reducer
PMV operation
PMV1 fully open for 2 minutes.
PMV3 fully opens for 2 minutes.
M
Fan motor
Right side
Main heat exchanger
Left side
Main heat exchanger
SV
(SV2)
(SV42)
SV
High-
High-
pressure
pressure (TD2)
switch
switch
(SV3C)
(TK4)
Compressor
2
Check Check
valve valve
(TK2)
(TK1)
(TK5)
Oil Header
(SV3A)
− 254 −
Fan
(TO)
4-way valve
(TS1)
Low-pressure
sensor
Accumulator
(SV3B)
SV