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

3.14.2 Single fan outdoor unit - three phase

Checking procedures
To perform a power check of the main PCB
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
a Fuse
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.
1 Remove the required plate work, see
2 Turn ON the power of the unit.
3 Measure the voltage between the phases L1C‑L2C‑L3C on the main PCB.
Result: All measurements MUST be 400 V AC ± 10%.
4 Measure the voltage connectors X801A and X802A on the main PCB.
Result: The measured voltages MUST be 230 V AC ± 10%.
3
a
Action
No further actions required.
Return to "Checking
4
procedures" [ 171] of the PCB and
continue with the next procedure.
"3.17 Plate work" [ 4 230].
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