Three Phase Outdoor Unit - Daikin altherma 3 M Service Manual

3 | Components

3.16.2 Three phase outdoor unit

Checking procedures
To perform a mechanical check of the propeller fan blade assembly
To perform a mechanical check of the DC fan motor assembly
Service manual
224
Is the problem solved?
Yes
No
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 bellmouth, 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" [ 226].
▪ 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
Action
No further actions required.
Return to
procedures" [
fan motor and continue with the next
procedure.
"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" [ 224].
Action
Perform an electrical check of the DC
fan motor assembly, see
procedures" [
Replace the DC fan motor assembly, see
"Repair
"Checking
4
217] of the outdoor unit
4
"3.17 Plate work" [ 230].
4
226].
"Repair
4 226].
"Checking
4
224].
"Checking
4
224].
4
procedures" [ 226].
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
"Repair