Gree GMV-N07G/A3A-D(U), Service Manual

Page: 123 / 192

Multi Variable Air Conditioners Indoor Unit for North America
117
4 Disassembly And Assembly Procedure of
Main Parts
4.1 Low Static Pressure Duct Type Indoor Unit
NOTICE! The following steps are specific for GMV-ND09PLS/A-T(U) units. For other units, the
assembly and disassembly procedure is similar except the numbers of centrifugal fans and motors.
Motor and fan
Precondition: The power supply has been disconnected.
Step Diagram Operation Procedure
1. Remove the line
connecting to the
motor.
●Use a screwdriver to unscrew the
electric box cover.
●Remove from the master board the
line connecting to the motor and
remove the tie.
2. Remove the
filter.
●Remove the filter from the air return
frame.
3. Remove the air
return cover plate.
●Use a screwdriver to unscrew the air
return cover plate.
4. Remove the
rear volute casing.
●Loosen the fasteners that connect
the rear volute casing with the front
volute casing and remove the rear
volute casing.
5. Remove the
front volute
casing.
●Use a screwdriver to unscrew the
front volute casing and then remove
the volute casing.
6. Loosen the
centrifugal fan and
motor.
●Use a hexagon to unscrew the
centrifugal fan and loosen the
fasteners of the motor.
7. Remove the
motor.
●Remove the motor from the support
and remove the centrifugal fan from
the motor axle. Then, remove the
motor.
●For motors that are accompanied
with supports, the supports need
removing as well.
8. Install a new
motor.
●Assemble units based on the
reverse order of this procedure and
power on the units for test.