Repair Procedures - Daikin Altherma EBLQ011CAV3 Service Manual

To check for non-condensables in the refrigerant
circuit
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Wait for the refrigerant to reach the outdoor temperature.
2 Connect a manometer to the service port.
3 Measure the pressure of the refrigerant. The measured
pressure MUST be in line with the expected pressure at outdoor
temperature.
4 If the measured pressure is higher than the expected pressure
(at outdoor temperature), other non‑condensables are mixed in
the refrigerant.
Any non‑condensables found
in the refrigerant circuit?
Yes
No
To perform a pressure test of the refrigerant circuit
1 Perform a pressure test in line with local legislation.
CAUTION
Perform a pressure test only when leaks are expected.
Is the pressure in the
refrigerant circuit correct?
Yes
No
Problem solved?
After all checking procedures listed above have been performed:
Is the problem solved?
Yes
No
3.2.2

Repair procedures

To open the stop valve of the refrigerant circuit
Prerequisite: Remove the required plate work, see
work" on page 77.
1 Remove the caps.
EBLQ+EDLQ011~016CAV3+W1 + EBLQ+EDLQ011~016CA3V3+W1
+ EK(2)CB07CAV3 + EKMBUHCA3V3+9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
Action
To replace the refrigerant, see
"3.2.2 Repair procedures" on
page 93.
Return to "3.2.1 Checking
procedures" on page 92 of the
refrigerant circuit and continue
with the next procedure.
Action
Return to "3.2.1 Checking
procedures" on page 92 of the
refrigerant circuit and continue
with the next procedure.
Replace the leaking part of the
refrigerant circuit, see
"3.2.2 Repair procedures" on
page 93.
Action
No further actions required.
Return to the troubleshooting of
the specific error and continue
with the next procedure.
"2.19 Plate
3 Third party components
b
a Cap
b Liquid stop valve
c Gas stop valve
2 Completely open the stop valve by screwing the stop valve
screw counterclockwise.
Is the problem solved?
Yes
No
To replace the clogged/leaking part of the
refrigerant circuit
1 See the correct procedure for the component that needs to be
repaired. See also "Repair information" on page 94
details.
Is the problem solved?
Yes
No
To recuperate the refrigerant
Prerequisite: Turn OFF the unit via the user interface.
1 Manually open the expansion valve.
2 Connect the vacuum pump, manifold, recovery unit, and
refrigerant bottle to the service port of the refrigerant circuit as
shown below.
c
a
a
Action
No further actions required.
Return to the troubleshooting of
the specific error and continue
with the next procedure.
for more
Action
No further actions required.
Return to "3.2.1 Checking
procedures" on page 92 of the
refrigerant circuit and continue
with the next procedure.
Service manual
93