Mitsubishi Electric PMFY-P20VBM-E1 Technical & Service Manual page 29

OPERATING PROCEDURE
5. Removing the drain pump
(1) Remove the grille.
(2) Unhook the claw in the middle of nozzle and remove the
drain pan. (See Photo 2)
(3) Remove the address board cover. (See Photo 3)
(4) Remove the electrical parts cover. (See Photo 3)
(5) Disconnect the connector of drain pump.
(6) Remove the drain hose.
(7) Remove the drain pump. (2 screws)
6. Removing the fan motor and line flow fan
(1) Remove the grille.
(2) Unhook the claw in the middle of nozzle and remove the
drain pan. (See Photo 2)
(3) Unscrew 2 screws at the nozzle side of the heat exchanger.
(4) Remove the address board cover. (See Photo 3)
(5) Remove the electrical parts cover. (See Photo 3)
(6) Disconnect the connector of vane motor, fan motor and
drain pump.
(7) Remove the nozzle side of the heat exchanger. (2 screws)
(8) Remove the nozzle.
(9) Remove the drain pump.
(10) Unscrew 2 screws in the motor support.
(11) Remove the fan motor and line flow fan (The fan motor
and line flow fan can be removed without removing the
heat exchanger.)
7. Removing the thermistor<Intake temperature detector>
(1) Remove the grille.
(2) Remove the address board cover.
(3) Remove the electrical parts cover.
(4) Remove the thermistor <intake temperature detector>.
(5) Disconnect the lead wire from the cord clamp (5 points).
(6) Disconnect the connector (CN20) on the indoor controller
board.
8. Removing the thermistor<Liquid pipe temperature detector>
<Gas pipe temperature detector>
(1) Remove the grille.
(2) Remove the address board cover.
(3) Remove the electrical parts cover.
(4) Remove the drain pan.
(5) Remove the thermistor <Gas pipe temperature detector>
/<Liquid pipe temperature detector>.
(6) Disconnect the lead wire from the cord clamp.
(7) Disconnect the connector (CN21)/(CN29), (CN44) on the
indoor controller board.
Connector (CN21) / Liquid (VBM
(CN29) / Gas (VBM
(CN44) / Liquid and Gas (VBM#2, VBMR3)
)
(1)
)
(1)
29
PHOTOS&ILLUSTRATIONS
Photo 6
Drain sensor
Heat exchanger
Photo 7
Line flow fan
Drain pump
Fan motor
Fan motor