Outdoor Unit Fan Motor; Class 20~35 Units - Daikin Comfora XP Series Service Manual

3.9 Outdoor unit fan motor

3.9.1 Class 20~35 units

Checking procedures
To perform a mechanical check of the propeller fan blade assembly
To perform a mechanical check of the DC fan motor assembly
To perform an electrical check of the DC fan motor assembly
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01D – 2022.02
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 If propeller fan blade touches the bell mounth, check if the fan motor is
correctly mounted on its base, see
2 Check the state of the propeller fan blade assembly for damage, deformations
and cracks.
Is the propeller fan blade assembly
damaged?
Yes
No
Prerequisite: First perform a mechanical check of the propeller fan blade
assembly, see "Checking
1 Visually check:
▪ For any burnt‑out part or wire. If found, replace the fan motor, see
4
procedures" [ 93].
▪ That fan motor fixation bolts are correctly installed and fixed. Correct as
needed.
2 Manually rotate the fan motor shaft. Check that it rotates smoothly.
3 Check the friction of the DC fan motor shaft bearing.
Is the DC fan motor shaft friction
normal?
Yes
No
1 First perform a mechanical check of the DC fan motor assembly, see
4
procedures" [ 91].
"Repair procedures" [
Action
Replace the propeller fan blade
assembly, see
procedures" [
Perform a mechanical check of the DC
fan motor assembly, see
procedures" [
4
procedures" [ 91].
Action
Perform an electrical check of the DC
fan motor assembly, see
procedures" [
Replace the DC fan motor assembly, see
"Repair
3 Components
|
4
"3.10 Plate work" [ 100].
4
93].
"Repair
4
93].
"Checking
4
91].
"Checking
4
91].
4
procedures" [ 93].
"Repair
"Checking
Service manual
91