Single Fan Outdoor Unit - Three Phase - Daikin altherma 3 M Service Manual

3 | Components

3.15.2 Single fan outdoor unit - three phase

Checking procedures
To perform a functionality check of the noise filter PCB
Service manual
204
INFORMATION
It is recommended to perform the checks in the listed order.
INFORMATION
The noise filter PCB is mounted on the back side of the PCB mounting plate and
therefore NOT easily accessible. Therefore, first perform the functionality check
described below without dismounting the PCB mounting plate.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
2 Turn ON the power of the unit.
3 Measure the output voltage of the noise filter PCB between L1C‑L2C‑L3C on
the main PCB.
Result: All measurements MUST be 400 V AC ± 10%.
e
d
c
b
a
a L1C
b L2C
c L3C
d Connector X801A
e Connector X802A
f X1M: L1
g X1M: L2
h X1M: L3
i X1M: N
"3.17 Plate
f g h i
4
work" [ 230].
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03