Daikin Altherma 3 M - Repair Procedures; Refrigerant Circuit; Checking Procedures

4 | Third party components
Service manual
286
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
4.1.2 Repair procedures
To adjust the power supply
1 Make sure that the power source is in line with the requirements described in
the databook.
2 Adjust the power supply within 50Hz ± 3%.
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
To correct the wiring between PCB's
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.17Plate work"[4230].
1 Make sure that all wires are firmly and correctly connected, see "6.2 Wiring
diagram"[4314].
2 Check the continuity of all wires.
3 Replace any damaged or broken wires.
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
4.2 Refrigerant circuit
4.2.1 Checking procedures
INFORMATION
It is recommended to perform the checks in the listed order.
To check if the stop valves are open
Prerequisite: Remove the required plate work, see "3.17Plate work"[4230].
1 Remove the caps.